Symptoms of a Bad Compressor: Diagnosis, Fixes, and How Much It Costs To Replace One - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"If the compressor fails, it can cause several noticeable symptoms. Know the top 5 symptoms of a bad airconditing compressor in this article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Symptoms of a Bad Compressor: Diagnosis, Fixes, and How Much It Costs To Replace One - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"If the compressor fails, it can cause several noticeable symptoms. Know the top 5 symptoms of a bad airconditing compressor in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-29T04:08:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-05T14:47:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-air-compressor-close-up-look.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1643\",\"name\":\"Mia Bevacqua\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. 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Certifications include ASE Master Automobile Technician, Master Medium\\\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist. Mia loves fixer-upper oddballs, like her 1987 Cavalier Z-24 and 1998 Astro Van AWD.\",\"sameAs\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/miabevacqua\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/mia-bevacqua-55b3a485\"],\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/miabevacqua\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940906295\",\"position\":1,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940906295\",\"name\":\"How much does it cost to replace a compressor?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Between $800 and $1,500 at a shop for most vehicles, driven mainly by the year, make, and model. The part alone runs about $100 to upwards of $2,000, and a recharge adds $150 to $300.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940933079\",\"position\":2,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940933079\",\"name\":\"Can you drive with a bad compressor?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Usually yes, though it's uncomfortable and noisy. Stop driving if the compressor has seized and damaged the drive belt, since this belt often turns the <a href=\\\"https:\\\/\\\/www.carparts.com\\\/alternator\\\">alternator<\\\/a> and water pump too.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940959704\",\"position\":3,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940959704\",\"name\":\"What does a bad compressor sound like?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It typically rattles or knocks whenever the A\\\/C is switched on. A screech usually comes from the belt slipping against a locked-up pulley, not the compressor itself.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940979230\",\"position\":4,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940979230\",\"name\":\"Will recharging the A\\\/C fix a bad compressor?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not if it's failed internally. A recharge can restore operation if a low refrigerant level was tripping the low-pressure cutout switch and keeping the clutch from engaging. Even then, the leak still needs repairing.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940996118\",\"position\":5,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940996118\",\"name\":\"What causes an A\\\/C compressor to fail?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Possible causes include internal mechanical failure, worn O-rings and seals, and an internal falling apart. Running the system with a low charge is also hard on a compressor, because the refrigerant carries its lubricating oil.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785941018840\",\"position\":6,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785941018840\",\"name\":\"Where is the A\\\/C compressor located?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's <a href=\\\"https:\\\/\\\/www.carparts.com\\\/blog\\\/where-is-the-a-c-compressor-located\\\/\\\">mounted on the engine<\\\/a> and driven by the drive belt, though the exact position varies by vehicle. A clutch face on the front tells you which design you have.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"}]}<\/script>\n","yoast_head_json":{"title":"Symptoms of a Bad Compressor: Diagnosis, Fixes, and How Much It Costs To Replace One - In The Garage with CarParts.com","description":"If the compressor fails, it can cause several noticeable symptoms. Know the top 5 symptoms of a bad airconditing compressor in this article.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/","og_locale":"en_US","og_type":"article","og_title":"Symptoms of a Bad Compressor: Diagnosis, Fixes, and How Much It Costs To Replace One - In The Garage with CarParts.com","og_description":"If the compressor fails, it can cause several noticeable symptoms. 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Certifications include ASE Master Automobile Technician, Master Medium\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist. Mia loves fixer-upper oddballs, like her 1987 Cavalier Z-24 and 1998 Astro Van AWD.","sameAs":["https:\/\/www.carparts.com\/blog\/author\/miabevacqua","https:\/\/www.linkedin.com\/in\/mia-bevacqua-55b3a485"],"url":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua\/"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940906295","position":1,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940906295","name":"How much does it cost to replace a compressor?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Between $800 and $1,500 at a shop for most vehicles, driven mainly by the year, make, and model. The part alone runs about $100 to upwards of $2,000, and a recharge adds $150 to $300.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940933079","position":2,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940933079","name":"Can you drive with a bad compressor?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Usually yes, though it's uncomfortable and noisy. Stop driving if the compressor has seized and damaged the drive belt, since this belt often turns the <a href=\"https:\/\/www.carparts.com\/alternator\">alternator<\/a> and water pump too.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940959704","position":3,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940959704","name":"What does a bad compressor sound like?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It typically rattles or knocks whenever the A\/C is switched on. A screech usually comes from the belt slipping against a locked-up pulley, not the compressor itself.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940979230","position":4,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940979230","name":"Will recharging the A\/C fix a bad compressor?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Not if it's failed internally. A recharge can restore operation if a low refrigerant level was tripping the low-pressure cutout switch and keeping the clutch from engaging. Even then, the leak still needs repairing.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940996118","position":5,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940996118","name":"What causes an A\/C compressor to fail?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Possible causes include internal mechanical failure, worn O-rings and seals, and an internal falling apart. Running the system with a low charge is also hard on a compressor, because the refrigerant carries its lubricating oil.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785941018840","position":6,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785941018840","name":"Where is the A\/C compressor located?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It's <a href=\"https:\/\/www.carparts.com\/blog\/where-is-the-a-c-compressor-located\/\">mounted on the engine<\/a> and driven by the drive belt, though the exact position varies by vehicle. A clutch face on the front tells you which design you have.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-air-compressor-close-up-look.jpg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-air-compressor-close-up-look.jpg","author_info":{"display_name":"Mia Bevacqua, ASE Certified Master Automobile Technician","author_link":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua\/"},"authors":[{"term_id":2622,"user_id":1643,"is_guest":0,"slug":"miabevacqua","display_name":"Mia Bevacqua, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png"},"author_category":"","user_url":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua","last_name":"Bevacqua","first_name":"Mia","job_title":"ASE Certified Master Automobile Technician","description":"<div class=\"auth-social-links\"><a href=\"https:\/\/www.linkedin.com\/in\/mia-bevacqua-55b3a485\" class=\"btn\" rel=\"nofollow\" target=\"_blank\" aria-label=\"linkedin\" aria-labelledby=\"linkedin\">LinkedIn<\/a><\/div>\r\n\r\nThroughout her career, Mia Bevacqua has applied her skills toward automotive failure analysis inspections, consulting, diagnostic software development, and of course, writing.\r\n\r\nMia has a passion for math, science, and technology that motivates her to stay on top of the latest industry trends, such as electric vehicles and autonomous systems. At the same time, she has a weakness for fixer-upper oddballs, such as her 1987 Chevy Cavalier Z-24 and 1998 Chevy Astro Van AWD.\r\n\r\n<strong>Credentials:<\/strong>\r\n\r\n<ul class=\"author-list\">\r\n<li><p>ASE Master Automobile Technician, Master Medium\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist certification<\/p><\/li>\r\n<li><p>15 years of industry experience<\/p><\/li>\r\n<li><p>Bachelor's degree in Advanced Automotive Systems<\/p><\/li>\r\n<\/ul>"}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/40553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/users\/1643"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=40553"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/40553\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/41316"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=40553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=40553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=40553"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=40553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

\n The Best A\/C Compressors: Top Brands for Fast, Quality Replacements<\/span>\n See which a\/c compressor brands are best for your vehicle. Learn about application, quality, and cost, and find budget-friendly replacement brands.<\/span>\n Discover Your Options<\/a>\n <\/div>\n<\/div>\n\n\n

How To Fix a Bad Compressor<\/h2>\n\n\n\n
\n
Seized or failed internally:<\/strong> Replace the compressor. Rebuilding is rarely an option.<\/li>\n\n\n\n
Clutch has power but won’t engage:<\/strong> The clutch is the suspect, not the pump. Ask a shop if it’s serviceable separately.<\/li>\n\n\n\n
Excessive clutch air gap:<\/strong> Adjust it with shims after checking with a feeler gauge, then retest.<\/li>\n\n\n\n
No power at the clutch:<\/strong> Trace the electrical cause, since a low charge or bad relay leaves the compressor itself fine.<\/li>\n\n\n\n
Leaking O-rings or seals:<\/strong> Pinpoint and repair the leak. Adding refrigerant alone leaves it in place.<\/li>\n\n\n\n
Internal falling apart:<\/strong> Expect the rest of the system to need attention, since debris travels through it.<\/li>\n<\/ul>\n\n\n\n
Either way, the system must be evacuated before the compressor comes off and recharged afterward, which takes shop equipment.<\/p>\n\n\n\n
How Much Does It Cost To Replace a Compressor?<\/h2>\n\n\n\n
Professionally, expect between $800 and $1,500, though the exact A\/C compressor replacement cost depends on your vehicle’s year, make, and model. Some compressors cost around $100 while others run upwards of $2,000, so comparing A\/C compressor brands<\/a> shows where yours lands. Doing it yourself<\/a> is cheaper, but budget $150 to $300 for a recharge.<\/p>\n\n\n\n
How Much To Repair AC Compressor in Car?<\/h3>\n\n\n\n
Repair usually isn’t on the table, since very few shops rebuild compressors, so the realistic figure is the same $800 to $1,500 range. Fixing a related cause instead, such as a bad relay or a leaking O-ring, costs far less.<\/p>\n\n\n\n
What Else Should You Replace With the Compressor?<\/h3>\n\n\n\n
Experts generally recommend replacing the receiver drier<\/a> or accumulator<\/a>, along with the expansion valve<\/a> or orifice tube<\/a>, whenever the compressor’s replaced. At around $20 each, they cost far less than opening the system twice.<\/p>\n\n\n\n
How Long Does It Take To Replace an A\/C Compressor?<\/h3>\n\n\n\n
It depends on your vehicle, but the swap usually takes an hour or two, plus time to evacuate and recharge the system.<\/p>\n\n\n\n
$\"recharging$
You can ask a professional repair shop to evacuate and recharge the system for you with dedicated equipment.<\/em><\/figcaption><\/figure>\n\n\n\nBad Compressor FAQs<\/h2>\n\n\n\n
How much does it cost to replace a compressor?<\/strong>
Between $800 and $1,500 at a shop for most vehicles, driven mainly by the year, make, and model. The part alone runs about $100 to upwards of $2,000, and a recharge adds $150 to $300.<\/p> <\/div>
Can you drive with a bad compressor?<\/strong> Usually yes, though it’s uncomfortable and noisy. Stop driving if the compressor has seized and damaged the drive belt, since this belt often turns the alternator<\/a> and water pump too.<\/p> <\/div>
What does a bad compressor sound like?<\/strong>
It typically rattles or knocks whenever the A\/C is switched on. A screech usually comes from the belt slipping against a locked-up pulley, not the compressor itself.<\/p> <\/div>
Will recharging the A\/C fix a bad compressor?<\/strong>
Not if it’s failed internally. A recharge can restore operation if a low refrigerant level was tripping the low-pressure cutout switch and keeping the clutch from engaging. Even then, the leak still needs repairing.<\/p> <\/div>
What causes an A\/C compressor to fail?<\/strong>
Possible causes include internal mechanical failure, worn O-rings and seals, and an internal falling apart. Running the system with a low charge is also hard on a compressor, because the refrigerant carries its lubricating oil.<\/p> <\/div>
Where is the A\/C compressor located?<\/strong> It’s mounted on the engine<\/a> and driven by the drive belt, though the exact position varies by vehicle. A clutch face on the front tells you which design you have.<\/p> <\/div> <\/div>\n\n\n\n
When To Get Professional Help<\/h2>\n\n\n\n
\n
The refrigerant needs recovering, or a leak needs pinpointing with dye and a UV light.<\/li>\n\n\n\n
Your vehicle has a variable displacement compressor, or debris is in the system.<\/li>\n\n\n\n
A seized compressor has damaged the drive belt, so the vehicle should be towed.<\/li>\n<\/ul>\n\n\n\n
Where To Get a New A\/C Compressor for Your Vehicle<\/h2>\n\n\n\n
You’re in for an uncomfortable ride when you leave a bad compressor unaddressed, so get one the easy way with CarParts.com<\/a>. Use our vehicle selector to get the right part. We ship from warehouses across the US in as fast as two business days, and every replacement A\/C compressor<\/a> carries a low-price guarantee.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"
Reading Time: <\/span> 7<\/span> minutes<\/span><\/span>A bad compressor is a failing or failed pump that can no longer raise refrigerant pressure or push refrigerant through… Read More<\/a><\/p>\n","protected":false},"author":1643,"featured_media":41316,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":"","_ppma_block_editor_authors":""},"categories":[3754,52],"tags":[1175],"ppma_author":[2622],"class_list":["post-40553","post","type-post","status-publish","format-standard","has-post-thumbnail","category-air-conditioning-and-heating","category-diy","tag-a-c-compressor-2","entry"],"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"\nSymptoms of a Bad Compressor: Diagnosis, Fixes, and How Much It Costs To Replace One - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"If the compressor fails, it can cause several noticeable symptoms. Know the top 5 symptoms of a bad airconditing compressor in this article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Symptoms of a Bad Compressor: Diagnosis, Fixes, and How Much It Costs To Replace One - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"If the compressor fails, it can cause several noticeable symptoms. Know the top 5 symptoms of a bad airconditing compressor in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-29T04:08:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-05T14:47:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-air-compressor-close-up-look.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1643\",\"name\":\"Mia Bevacqua\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. 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A screech usually comes from the belt slipping against a locked-up pulley, not the compressor itself.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940979230\",\"position\":4,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\\\/#faq-question-1785940979230\",\"name\":\"Will recharging the A\\\/C fix a bad compressor?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not if it's failed internally. A recharge can restore operation if a low refrigerant level was tripping the low-pressure cutout switch and keeping the clutch from engaging. 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Even then, the leak still needs repairing.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940996118","position":5,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785940996118","name":"What causes an A\/C compressor to fail?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Possible causes include internal mechanical failure, worn O-rings and seals, and an internal falling apart. Running the system with a low charge is also hard on a compressor, because the refrigerant carries its lubricating oil.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785941018840","position":6,"url":"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/#faq-question-1785941018840","name":"Where is the A\/C compressor located?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It's <a href=\"https:\/\/www.carparts.com\/blog\/where-is-the-a-c-compressor-located\/\">mounted on the engine<\/a> and driven by the drive belt, though the exact position varies by vehicle. A clutch face on the front tells you which design you have.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-air-compressor-close-up-look.jpg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-air-compressor-close-up-look.jpg","author_info":{"display_name":"Mia Bevacqua, ASE Certified Master Automobile Technician","author_link":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua\/"},"authors":[{"term_id":2622,"user_id":1643,"is_guest":0,"slug":"miabevacqua","display_name":"Mia Bevacqua, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png"},"author_category":"","user_url":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua","last_name":"Bevacqua","first_name":"Mia","job_title":"ASE Certified Master Automobile Technician","description":"<div class=\"auth-social-links\"><a href=\"https:\/\/www.linkedin.com\/in\/mia-bevacqua-55b3a485\" class=\"btn\" rel=\"nofollow\" target=\"_blank\" aria-label=\"linkedin\" aria-labelledby=\"linkedin\">LinkedIn<\/a><\/div>\r\n\r\nThroughout her career, Mia Bevacqua has applied her skills toward automotive failure analysis inspections, consulting, diagnostic software development, and of course, writing.\r\n\r\nMia has a passion for math, science, and technology that motivates her to stay on top of the latest industry trends, such as electric vehicles and autonomous systems. At the same time, she has a weakness for fixer-upper oddballs, such as her 1987 Chevy Cavalier Z-24 and 1998 Chevy Astro Van AWD.\r\n\r\n<strong>Credentials:<\/strong>\r\n\r\n<ul class=\"author-list\">\r\n<li><p>ASE Master Automobile Technician, Master Medium\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist certification<\/p><\/li>\r\n<li><p>15 years of industry experience<\/p><\/li>\r\n<li><p>Bachelor's degree in Advanced Automotive Systems<\/p><\/li>\r\n<\/ul>"}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/40553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/users\/1643"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=40553"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/40553\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/41316"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=40553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=40553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=40553"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=40553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

1. The Air Conditioning Doesn’t Work<\/h3>\n\n\n\n
One of the most common signs of a bad compressor is an inoperative A\/C system. If nothing but warm air<\/a> comes from the vents, the compressor might be to blame.<\/p>\n\n\n\n

3. You Hear Abnormal Noises With the A\/C Engaged<\/h3>\n\n\n\n
A bad compressor typically rattles or knocks whenever the A\/C is switched on, which often means it’s beginning to fail.<\/p>\n\n\n\n

4. Refrigerant Is Leaking<\/h3>\n\n\n\n
The compressor’s O-rings and seals can develop refrigerant leaks over time. Refrigerant is colorless and odorless<\/a>, so you might not notice a leak without dye in the system or visible oil build-up.<\/p>\n\n\n\n

3. You Hear Abnormal Noises With the A\/C Engaged<\/h3>\n\n\n\nA bad compressor typically rattles or knocks whenever the A\/C is switched on, which often means it’s beginning to fail.<\/p>\n\n\n\n

How Serious Is a Bad Compressor?<\/h2>\n\n\n\nIt won’t strand you on its own, but ignoring it costs you twice: a locked-up compressor can damage the drive belt, and a come-apart spreads debris, raising the eventual bill.<\/p>\n\n\n\n

3. You Hear Abnormal Noises With the A\/C Engaged<\/h3>\n\n\n\n
A bad compressor typically rattles or knocks whenever the A\/C is switched on, which often means it’s beginning to fail.<\/p>\n\n\n\n