Remove/Install Front Axle Brake Caliper - AR42.10-P-0070MMI
Model 172.466/475
With fixed Brake caliper
MODIFICATION NOTES
| 13.04.2016 | Operation incorporated | Operation step 11 |
Shown on Model 172.475
| 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 | |
| Risk of poisoning from swallowing Brake fluid. Risk of injury from skin and eye contact with Brake fluid | Only pour Brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling Brake fluid. | AS42.50-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on self-locking nuts and Bolts | AH00.00-N-0001-01A | ||
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to Brake system | AH42.00-P-0003-01A | ||
| Notes on installing Brake wear indicator contact sensors | AH42.10-P-0003-01CW | ||
| Remove/install | |||
| 1 | Remove Brake linings (1) | AR42.10-P-1600MMI | |
| 2 | Unscrew Screw/ Bolt (2) and remove right front Brake wear sensor electrical connector (S10/2x1) from Brake caliper (3) | When removing Brake caliper (3) on right side of vehicle. |
*BA42.10-P-1002-10J |
| 3 | Remove Brake hose (4) | AR42.10-P-0013V | |
| 4 | Seal exposed connections immediately using suitable stop plugs | Fig 4 | |
| 5 | Unscrew Screws/ Bolts (5) and remove Brake caliper (3) | *BA42.10-P-1001-10J | |
| Measure | |||
| 6 | Check condition of Brake linings (1) and measure degree of wear | ||
| AP42.10-P-4252SLB | |||
| If a problem arises ↓ Replace Brake linings (1) in sets. |
AR42.10-P-1600MMI | ||
| 7 | Check condition of Brake disks (6) and measure degree of wear | ||
| AP42.10-P-4258V | |||
| If a problem arises ↓ Replace Brake disks (6) in sets. |
AR42.10-P-0220MMI | ||
| Check | |||
| 8 | Check Brake caliper (3) and dust boots of Brake pistons for leak tightness and damage | If a problem arises ↓ Replace Brake caliper (3). |
|
| 9 | Press back Brake piston using resetting device | If Brake piston is sluggish ↓ Replace Brake caliper (3). |
Fig 2 |
| 10 | Secure remaining Brake pistons to prevent them from slipping out | Fig 3 | |
| 11 | Clean contact surfaces of Brake pads (1) on Brake caliper (3) | Do not damage the Brake piston dust boots. Do not use sharp-edged or pointed objects. Otherwise the Brake caliper (3) must be replaced. |
|
| 12 | Install in the reverse order | ||
| Initial startup | |||
| 13 | Bleed Brake system | AR42.10-P-0010CW | |
| Risk of accident when commissioning the vehicle due to a lack of braking effect when the service Brake is operated for the first time after repair work. | Before starting the engine, actuate Brake pedal several times until pressure is built up and maintained in the Brake system. | AS42.50-Z-0002-01A | |
| 14 | Operate Brake pedal several times until Brake pads (1) make contact with Brake disks (6) | ||
| 15 | Check fluid level in Brake fluid reservoir, and correct if necessary | ||
| AP42.10-P-4210V | |||
| 16 | Carry out Brake test on the test stand | ||
| AP42.00-P-4290BA |
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 172 | ||
|---|---|---|---|---|
| BA42.10-P-1001-10J | Bolt, Brake caliper/ Brake caliper support to steering knuckle | M12 | Nm | 115 |
| M14 | Nm | - | ||
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 172 | |
|---|---|---|---|
| BA42.10-P-1002-10J | Bolt, Brake wear sensor to Brake caliper | Nm | 8 |