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 17
Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
Step 18
Unscrew the brake disc fasteners. Use HEX No.H5. Use a ratchet wrench.
Step 19
Remove the fastening bolt.
Step 20
Remove the brake disc.
Step 21
Clean the wheel hub. Use a wire brush.
Step 22
Treat the contacting surface. Use ceramic grease.
Step 23
Clean the handbrake shoes mechanism. Use a brake cleaner.
Step 24
Install a new brake disc.
Step 25
Install the fastening bolt.
Step 26
Tighten the brake disc fasteners. Use HEX No.H5. Use a torque wrench. Tighten it to 10 Nm torque.
Step 27
Treat the brake caliper pistons. Use a nylon cleaning brush. Use a brake cleaner.
Step 28
Wind back the brake caliper pistons. Use brake caliper wind back tool.
Step 29
Clean the mounting seat of the brake caliper. Use a brake cleaner. Use a wire brush.
Step 30
Install the brake caliper.
Step 31
Install the fastening bolts.
Step 32
Tighten the brake caliper fasteners. Use a drive socket #16. Use a torque wrench. Tighten it to 55 Nm torque.
Step 33
Treat the surface of the brake pads that contacts the brake caliper. Use anti-squeal paste.
AUTODOC recommends:
Make sure the disc surface is clean before installing the pads.
Step 34
Install the brake pads.
Step 35
Install the retaining spring of the brake pads.
Step 36
Install the brake pad pin. Use a pin punch. Use a hammer.
Step 37
Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 38
Clean the brake disk surface. Use a brake cleaner.
Step 39
Install the wheel.
Replacement: brake discs – Mercedes W210. Tip:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 40
Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 41
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 42
Remove the jacks and chocks.
AUTODOC recommends:
Mercedes W210 – Without starting the engine, press the brake pedal several times until it feels firm.Check the brake fluid level in the expansion tank and top up if necessary.
Step 43
Tighten the brake fluid reservoir cap.
Step 44
Close the bonnet.
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