Remove/Install Front Steering Knuckle - AR33.25-P-0400LWO
Model 238
Except Code M005 (Vehicles with 4MATIC/all-wheel drive)
Shown Except Code 489 (AIR BODY CONTROL)
Fig 1: Front Steering Knuckle Components Location - Model 238 Except Code M005 (Shown Except Code 489)
Shown Except Code 489 (AIR BODY CONTROL)
| Notice | Notes on handling, transport and storage of composite brake disks | AH42.10-P-9406-12LF | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Remove/install | |||
| 1 | Remove corresponding front wheel. | AR40.10-P-1102A | |
| 2 | Remove brake disk. | AR42.10-P-0220LWO | |
| 3 | Remove left front axle rpm sensor (L6/1) or right front axle rpm sensor(L6/2). | Model 238 (except 238.361/461) except code M005 (Vehicles with 4MATIC/all- wheel drive) | AR42.30-P-0713LWO |
| 4 | Unhook front right brake wear sensor (S10/2) from bracket (2). | When removing the right steering knuckle (1). | |
| 5 | Unscrew nut (3) and detach tie rod (4). | Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or steering knuckle (1) may be damaged. |
*BA46.40-P-1001-01P |
| 6 | Unscrew nut (5). Note on calculation of tightening torque when using insertion or socket tools with various effective lengths |
Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or steering knuckle (1) may be damaged. |
AH00.00-P-0015-01CW |
| *BA33.20-P-1003-01U | |||
| Fig 2 | |||
| 7 | Unscrew nut (6). | Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or steering knuckle (1) may be damaged. |
*BA33.20-P-1001-01U |
| 8 | Unscrew nut (7) and detach upper transverse control arm (8) from steering knuckle (1). | Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or steering knuckle (1) may be damaged. |
*BA33.20-P-1006-01U |
| 9 | Guide steering knuckle (1) out of strut rod and spring link and remove. | ||
| 10 | Remove brake cover plate (9). | When replacing the steering knuckle (1). |
*BA42.10-P-1003-06J |
| 11 | Remove wheel bearing. | When replacing the steering knuckle (1). | AR33.20-P-0302LW |
| 12 | Install in the reverse order. |
WHEEL CONTROL, HUB
| Number | Designation | Model 238 | ||
|---|---|---|---|---|
| BA33.20-P-1001-01U | Nut, spring control arm to steering knuckle | Stage 1 | Nm | 250 |
| Stage 2 | ∠° | - | ||
WHEEL CONTROL, HUB
| Number | Designation | Model 238 | ||
|---|---|---|---|---|
| BA33.20-P-1003-01U | Nut, strut rod to steering knuckle | Stage 1 | Nm | 250 |
| Stage 2 | ∠° | - | ||
WHEEL CONTROL, HUB
| Number | Designation | Model 238 | ||
|---|---|---|---|---|
| BA33.20-P-1006-01U | Nut, steering knuckle to transverse control arm | Stage 1 | Nm | 50 |
| Stage 2 | ∠° | 45 | ||
BRAKE DISKS, BRAKE COVER PLATE
| Number | Designation | Model 238 | |
|---|---|---|---|
| BA42.10-P-1003-06J | Bolt, front axle brake cover plate to steering knuckle | Nm | 20 |
TIE ROD
| Number | Designation | Model 238 | ||
|---|---|---|---|---|
| BA46.40-P-1001-01P | Self-locking nut, tie rod to steering knuckle | Stage 1 | Nm | 90 |
| Stage 2 | ∠° | 60 | ||