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Porsche 914 Brake Caliper

Troubleshooting Porsche 914 Brake Caliper Problems: Here's How to

Among the parts of your Porsche 914's braking system, it is the brake caliper that slows down the wheels by generating friction with the rotors. The caliper is made up of a housing, bleeder valve, hydraulic flex hose port, dust boot, and piston. When the calipers become defective, they will not be able to efficiently push the brake pads to the rotor, thus affecting the vehicle's ability to stop at the right time. This can result in a fatal accident, so it's important that you know the signs of brake caliper failure and the ways to troubleshoot them.

Sticking brake caliper

When your Porsche 914 brake caliper sticks, the brake pads can wear out prematurely. If your Porsche's caliper is outfitted with slide bolts, they can stick as well. But the good thing about these bolts is they can be cleaned and re-lubricated once they stick, so they can be reused.

The easiest way to diagnose sticking brake calipers is to start the vehicle, set it in gear, or drive on a flat ground. If your ride comes with a standard transmission, release the clutch slowly; if it's equipped with an automatic transmission, release the brake pedal. If you notice that the vehicle rolls slowly, try to brake hard. Again, let your ride move forward slowly. If the vehicle feels sluggish or if it fails to move at all after applying the brakes hard, this means the calipers are sticking.

Problems with caliper guide pin

If you're experiencing problems with your brakes, the caliper guide pins could be the culprit, but the only way to be sure is to do a careful inspection. The process is quite difficult because it's pretty much like you're replacing the brake pads yourself. It involves lifting your Porsche, taking the tires off, removing the caliper, and checking the caliper housing. You need to carefully inspect the caliper for corrosion and improper lubrication.

Well-installed guide pins are easy to take out using a screwdriver and with just a few light taps from a hammer. If you find it hard to remove the guide pins because they are stuck or they have rusted in place, then they are the culprit for your braking problems.

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  • Three Steps That Will Help Extend the Life of Your Porsche 914 Brake Caliper 04 March 2014

    Brake calipers, no matter how tough they are, can become dirty and worn out over time. This is inevitable considering their location and the difficulty of the task they need to accomplish. After a few months of driving, you'll feel the need to clean your Porsche 914 brake calipers. This is an important maintenance regimen that you shouldn't disregard because dirty or greasy calipers can stick and cause serious braking problems. Here are some other maintenance tips that will help keep your brake calipers in tiptop shape:

    • Keep the brake caliper clean.
    • To clean the brake caliper piston, you'll need brake fluid and scrub pad that can remove grease and dirt. For the caliper, it's best to use a scrub brush and brake fluid. Make sure you have an old toothbrush on hand; you'll be using that to access smaller areas. It's important that you do this task in a well-ventilated area.
    • Lubricate brake caliper guide pins properly.
    • It's always best to check your owner's manual before lubricating the brake caliper guides to know the kind of grease that will be used. For most automotive brakes, you'll need high-temperature grease that's able to withstand the heat that will be generated by the brake system. Before applying a layer of grease, clean the guide pins first to eliminate leftover grease and dirt. After cleaning, that's when you should coat the pins with high-temperature grease. Well-lubricated guide pins slide right in place, making them a cinch to reinstall.
    • When doing a brake job, clean the caliper slides and pad saddles.
    • Uneven pad wear can be caused by stuck slides. As friction is produced between the pads, the caliper slides enable the housing to move back and forth. If the slides are dirty or rusted, these movements within the brake system won't be carried out smoothly, thus applying uneven force on the pads. So when doing a brake job, make sure to take the slides off the caliper and clean them. Make sure you coat them with caliper grease before putting them back in place.Pad saddles should also be cleaned regularly because they can cause the pads to stick and wear out unevenly. It's also possible that dirty slides and saddles won't work at all.