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Bypass Hose

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Motorcraft KM-5045 Bypass Hose - Direct Fit
Motorcraft®
Part Number: MIKM5045
Vehicle Info Required to Guarantee Fit
$93.73
Product Details
Warranty : 2-year or unlimited-mile Motorcraft limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Motorcraft KM-5149 Bypass Hose - Direct Fit
Motorcraft®
Part Number: MIKM5149
Vehicle Info Required to Guarantee Fit
$43.40
Product Details
Location : OutletWarranty : 2-year or unlimited-mile Motorcraft limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Motorcraft KM-5149 Bypass Hose - Direct Fit
Motorcraft®
Part Number: MIKM5149
Vehicle Info Required to Guarantee Fit
$43.40
Product Details
Warranty : 2-year or unlimited-mile Motorcraft limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Motorcraft KM-5512 Bypass Hose - Direct Fit
Motorcraft®
Part Number: MIKM5512
Vehicle Info Required to Guarantee Fit
$92.68
Product Details
Warranty : 2-year or unlimited-mile Motorcraft limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
GenuineXL 8E0-133-781 E Vapor Canister Purge Valve Hose - Replaces OE Number 8E0-133-781 E
Vehicle Info Required to Guarantee Fit
$99.77
Product Details
Warranty : 24-month or 24,000-mile limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
GenuineXL 8P0-133-781 B Vapor Canister Purge Valve Hose - Replaces OE Number 8P0-133-781 B
Vehicle Info Required to Guarantee Fit
$71.01
Product Details
Warranty : 24-month or 24,000-mile limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
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Bypass Hose Guides

Car Repair Basics: Installing a Bypass Hose

Having pinholes in your bypass hose is not, and will never be, a good thing for your vehicle. Over time, your car's bypass hose will wear and cause leaks. Attending to a damaged bypass hose immediately can save you bucks. As the old saying goes, "Your self-repair today keeps the mechanic away" (adapted from "An apple a day keeps the doctor away").

Here's a step by step instruction on installing a new bypass hose:

Difficulty level: Moderate

Tools to be used:

  • Jack and jack stands
  • Drain pan
  • Wooden block
  • Rags
  • Pliers
  • Wrenches and sockets
  • Screwdriver set
  • New coolant bypass hose

Step 1: Park your car and let the engine cool completely. Block one rear tire with a block of wood and disconnect the battery.

Step 2: Raise the front of your car using a jack and lower it onto jack stands. Put a drain pan underneath the radiator drain valve.

Step 3: Loosen the valve using pliers and partially drain it. Leave the coolant level to be just below the bypass hose.

Step 4: Loosen the clamps of the bypass hose using a screwdriver and remove the hose. If your vehicle's bypass plumbing uses pipes instead of rubber hoses, follow the upper radiator hose to the entry port on the engine. You'll find the thermostat typically in a housing where the upper hose is connected. You'll notice that the bypass hose is much smaller than the radiator hose.

Step 5: Attach a new bypass hose and replace the clamps. Make sure that the clamps are secured tightly. In bypass circuits using a pipe, it's essential to also check the old pipe. These pipes are subject to corrosion over time. Replacing them regularly maintains the integrity of the cooling system.

Step 6: Tighten the radiator drain valve. Lower your car from the jack stands and refill the radiator with coolant.

Step 7: Start your car. Let it reach operating temperature and check for coolant leaks. Shut off the engine and allow it to cool. Recheck the coolant level and refill as needed.

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