Adjust wheel bearing play - AR33.20-P-0300CW
MODEL 172
MODEL 204 (except 204.077/277/377/9) without 4MATIC
MODEL 207 Without 4MATIC
| Removing | |||
| 1 | Remove left or right front wheel | Model 172 | AP40.10-P-4050V |
| Model 204, 207 | AP40.10-P-4050CW | ||
| 2 | Screw in wheel bolt (48a) opposite the safety screw (9f) far enough until the brake disk (6) is fixed in place | ||
| 3 | Press brake pads back into brake caliper | ||
| 4 | Pull off hub cap (9e) | Fig 2 | |
| Check and adjust | |||
| 5 | Loosen hexagon socket head screw (9i) and tighten clamp nut (9d) while turning the front wheel hub (5) lightly | ||
| 6 | Loosen clamping nut (9d) slightly | ||
| 7 | Mount dial indicator (022) with dial indicator holder (015) to brake disk (6) | Fig 3 | |
| Fig 4 | |||
| 8 | Adjust wheel bearing play by turning (arrow) the clamping nut (9d) in stages and pushing and pulling the brake disk (6) firmly back and forth | *BE33.20-P-1001-01F | |
| 9 | Tighten hexagon socket head screw (9i) and check wheel bearing play again | *BA33.20-P-1001-01Q | |
| *BA33.20-P-1001-01N | |||
| 10 | Remove the dial gauge (022) and its stand (015) | ||
| Install | |||
| 11 | Fill hub cap (9e) with high-temperature roller bearing grease | ||
| High temperature antifriction bearing grease (NLGI grade 2) | Specification 265.1 | High temperature antifriction bearing grease (NLGI grade 2). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |
| 12 | Mount hub cover (9e) | Fig 2 | |
| 13 | Remove wheel bolt (48a) | ||
| 14 | Mount front wheel | Model 172 | AP40.10-P-4050V |
| Model 204, 207 | AP40.10-P-4050CW | ||
| 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 engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system. | AS42.50-Z-0002-01A | |
| 15 | Operate the brake pedal several times until brake pads make contact with the brake disks (6) |
TEST SPECIFICATIONS FOR WHEEL LOCATION, WHEEL HUB
| Number | Designation | Model 172 | Model 204 | Model 207 | |
|---|---|---|---|---|---|
| BE33.20-P-1001-01F | Wheel bearing play at front axle | mm | 0.01...0.02 | 0.01...0.02 | 0.01...0.02 |
WHEEL LOCATION, HUB
| Number | Designation | Model 172 | |
|---|---|---|---|
| BA33.20-P-1001-01Q | Screw for clamp nut to adjust front wheel bearing end float | Nm | 11 |
WHEEL LOCATION, HUB
| Number | Designation | Model 204 except 4-MATIC, model 204.9 | Model 207 without 4MATIC | |
|---|---|---|---|---|
| BA33.20-P-1001-01N | Screw for clamp nut to adjust front wheel bearing end float | Nm | 11 | 11 |