Roomster
| Summary of components of power-assisted steering TRW |
Note| t | If the front axle is damaged as a result of an accident certain steering components must be replaced → Chapter |
| t | No provision is made for repairing on the power-steering gear. In the event of failure determine the cause with the pressure and tightness test as well as by performing self-diagnosis. |
| t | If there is a fault on the power-steering gear, replace the power-steering gear, unless the fault is in the power-steering sensor. |
| t | Replace the self-locking nuts and screws. |
| t | Welding and straightening of the steering components is not allowed. |
| t | Only use steering gear grease, spare part number → Chapter |
| t | Oil type: hydraulic oil → Chapter |
| t | Oil volume in the system → Chapter |

| 1 - | Self-tapping screw, 6 Nm |
| q | only for vehicles up to 11/2006 |
| 2 - | Protection plate |
| q | Assignment → Electronic Catalogue of Original Parts |
| q | only for vehicles up to 11/2006 |
| 3 - | Steering column universal joint |
| 4 - | Screw, 20 Nm + 90° |
| q | replace after each removal |
| 5 - | Gasket |
| q | for power-assisted steering sensor -G250- with adapter cable Pos. 8 |
| q | replace after each removal |
| q | Assignment → Electronic Catalogue of Original Parts |
| 6 - | Sensor for power steering -G250- |
| q | with adapter cable → Item |
| q | removing and installing → Chapter |
| q | Assignment → Electronic Catalogue of Original Parts |
Note| No longer applicable as of CW 4 2010 on vehicles with ESP. |
| 7 - | Screw, 6 Nm |
| q | for power-assisted steering sensor -G250- with adapter cable Pos. 8 |
| q | Assignment → Electronic Catalogue of Original Parts |
| 8 - | Line |
| q | Assignment → Electronic Catalogue of Original Parts |
| 9 - | Self-locking nut, 20 Nm + 90° |
| q | replace after each removal |
| 10 - | Steering-knuckle arm (of the wheel-bearing housing) |
| 11 - | Return-flow line |
| q | Pipe screw M16x1.5 |
| q | power-assisted steering gear - engine pump aggregate |
| q | Tightening torque for pipe screw on the power-assisted steering gear: 30 Nm |
| 12 - | O-ring |
| q | replace after each removal |
| 13 - | Hollow screw, 35 Nm |
| q | replace after each removal |
| q | with non-return valve |
| q | M14x1.5 |
| 14 - | Sealing ring |
| q | replace after each removal |
| 15 - | Pressure line |
| q | power-assisted steering gear - engine pump aggregate |
| q | Pay attention to installation position relative to subframe → Anchor |
| q | Tightening torque for pipe screw on the engine pump aggregate: 30 Nm |
| 16 - | Power-steering gear |
| q | removing and installing → Chapter |
| 17 - | Assembly carrier |
| q | an assembly carrier with consoles mounted was inserted on vehicles up to CW 11 2008 (with recess - see fig., if the exhaust pipe is fitted under the assembly carrier and without recess (not shown), if the exhaust pipe is fitted above the assembly carrier |
| q | an assembly carrier with consoles forming one unit (welded part) is inserted on vehicles as of CW 12 2008 |
| q | Assignment → Electronic Catalogue of Original Parts |
| 18 - | Screw, 50 Nm + 90° |
| q | replace after each removal |
| 19 - | Pendulum support |
| q | The shape of the hinged bracket depends on the gearbox |
| q | Assignment → Electronic Catalogue of Original Parts |
