AR42.10-P-0080AM Remove/Install Rear Axle Brake Caliper

NOTE: For model name/model number cross reference refer to Model Designation Table. Application and ID






DANGER
^ Risk of poisoning due to consuming brake fluid.
^ Risk of injury due to brake fluid coming into contact with the skin or eyes.
^ Only pour brake fluid into suitable, appropriately marked containers.
^ Wear protective clothing and safety glasses when handling brake fluid.

Removal

NOTE:
^ Refer to Notes On Brake Fluid. Vehicle Damage Warnings
^ Refer to Notes on Test and Repair Work to brake system. Vehicle Damage Warnings

1. First disconnect brake hose (51) on brake pipe (5) and then on fixed caliper (31).
- Immediately seal connections with plugs.
- The brake fluid reservoir must not empty completely.
2. Disconnect rear brake pad wear pad wear sensor (S10/4) at rear brake pad wear sensor connector.
3. Unscrew right rear brake pad wear sensor connector (S10/4x1)
4. Unscrew micro-encapsulated bolts (35) then remove fixed caliper (31) from wheel carrier.


Installation:
5. Install in reverse order, noting the following.
- Replace micro-encapsulated bolts (35), tighten to:
Model 140: 115 Nm
Models 129.05/060/061/063/064/066/067: 50 Nm.
Models 129.068/076: 70 Nm
Model 170: 50 Nm
Model 202 except 202.028 with ASR: 50 Nm
Model 202.028 with ASR: 70 Nm
Models 208.335/345/347/365/370/435/445/447/465/470: 50 Nm
Models 210 .00/01/02/03/04/05/070/072/08 except 210.072 with Code 957 (E50 AMG): 50 Nm
Models 210.20/21/22/23/24/26/27/270/272/28/60/61/663: 115 Nm

NOTE:
^ Install the transparent (temperature-resistant) version of the brake pad wear sensor (S10/4).
^ The wear sensor on the rear fixed caliper is not used anymore on model 202.028 with ASR as of 09/95.

- Tighten brake pipe (5) on brake hose (51) to:
Except model 210 14 Nm
Model 210: 18 Nm
- Tighten brake hose (51) on fixed caliper (31) to: 18 Nm
- Refer to Replacement, for notes on installing brake hoses. Service and Repair

NOTE:
^ Brake hose connection on brake pipe modified.
^ The versions must not be mixed up

- Refer to notes on installing brake pad wear indicator contact sensors. Service and Repair
6. Bleed brake system. Service and Repair
7. Check brake system for leaks, refer to Using Pedal Pressure. Testing and Inspection