Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
Step 15
Remove the brake pads.
AUTODOC recommends:
Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
Step 16
Clean the brake caliper bracket of dirt and dust. Use a wire brush. Use a brake cleaner.
AUTODOC recommends:
Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 17
Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
Step 18
Press in the brake caliper piston. Use brake caliper wind back tool.
Step 19
Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.
Make sure the disc surface is clean before installing the pads.
Step 20
Install new brake pads.
Step 21
Install the brake caliper and fasten it.
Step 22
Install the fastening bolts.
Step 23
Tighten the brake caliper fasteners. Use a combination spanner #15. Use a drive socket #13. Use a torque wrench. Tighten it to 35 Nm torque.
Step 24
Treat the brake pad wear sensor plug. Use dielectric grease.
Step 25
Attach the connector of the brake pad wear sensor.
Step 26
Attach the brake pad wear sensor wiring harness.
Step 27
Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 28
Clean the brake disk surface. Use a brake cleaner.
Step 29
Install the wheel.
AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Mercedes W201
Step 30
Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 31
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 110 Nm torque.
Step 32
Remove the jacks and chocks.
AUTODOC recommends:
Without starting the engine, press the brake pedal several times until you feel significant resistance.Check the brake fluid level in the expansion tank and top up if necessary.
Step 33
Tighten the brake fluid reservoir cap.
Step 34
Close the bonnet.
Replacement: brake pads – Mercedes W201. Tip from AUTODOC experts:
Slow down smoothly for first 150-200 km after the brake pads replacement. Avoid unneccessary and sharp braking to a stop.
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