Remove/install rear axle brake caliper support

AR42.10-P-0221FR

06.03.2020

Model

257

P42.10-3186-12

 Warning	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
Topical note	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
Topical note	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Topical note	Notes on repairs to brake system		AH42.00-P-0003-01A
Topical note	Notes on handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
	Remove
1	Remove rear axle brake pads		AR42.10-P-1710FR
2	Unscrew bolts (1) and remove brake caliper support (2)
	Check
3	Check brake caliper support (2) for damage	When reinstalling brake caliper support (2).
		If a problem arises
		
		Replace brake caliper support (2).
4	Check guide pins (3, 5) for damage and unobstructed movement	When reinstalling brake caliper support (2).
		If a problem arises
		
		Replace brake caliper support (2).
	Install
5	Clean contact surfaces (arrows) on brake caliper support (2)	When reinstalling brake caliper support (2).
		 Do not use sharp-edged or pointed objects. Otherwise, the brake caliper support (2) will be damaged.
		Assembly cleaner	*BR00.45-Z-1028-04A
6	Position brake caliper support (2) and tighten bolts (1)	 Bolt, brake caliper/brake caliper support to wheel carrier	*BA42.10-P-1001-12W
7	Install brakepads on rear axle		AR42.10-P-1710FR

 Rear axle brake caliper

Number	Designation			Model 257
BA42.10-P-1001-12W	Bolt, brake caliper/brake caliper support to wheel carrier	Stage 1	Nm	60
		Stage 2	°	45

Repair materials

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner	A 000 986 56 01