Power unit intermediate mount flexible block - replace
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Power unit supports › Power unit intermediate mount flexible block - replace
Power unit intermediate mount flexible block - replace
Removing
Position the vehicle on the ramp.
1. Tighten the bolts fixing the catalytic converter to the intermediate exhaust silencer.
2. Undo the bolts fixing the catalytic converter flexible mounting brackets.
1. Position a hydraulic jack under the rear rigid power unit support.
2. Undo the bolt securing the power unit rear rigid mounting to the flexible mounting.
Lower the power unit rigid rear support, as necessary, using the hydraulic jack.
1. Undo the nuts (1a) and remove the protective heat shield (1b) for the flexible mounting.
2. Undo the bolts (2a) and remove the power unit rear support flexible mounting (2b), complete with shim (2c) and nut (2d).
Refitting
1. Place a new flexible mounting for the power unit rear support (1a), complete with shim (1b) and nut (1c), back in its housing and then secure it by tightening the bolts (1d) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1d | Bolt | INTERM RUBBER MOUNT | M8 | (Front suspension crossmember side) 3.2 ÷ 3.9 |
2. Place the heat shield (2a) for the flexible mounting back in its housing and secure it using the nuts (2b).
Place the rigid rear support for the power unit back in its housing using the hydraulic jack.
1. Tighten the bolt securing the rigid rear power unit support to the flexible mounting to the recommended torque.
Working carefully when fitting the bolt in order not to move the shim and the nut for the flexible mounting from their housing.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1 | Bolt | POWER UNIT RIGID REAR MOUNT | M12 | (Flexible mounting side) 7.5 ÷ 9.2 |
2. Remove the hydraulic jack positioned under the power unit rigid rear support.
Tighten the bolts fixing the catalytic converter flexible mounting brackets.
Tighten the bolts fixing the catalytic converter to the intermediate exhaust silencer to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| Bolt | CATALYTIC CONVERTER (ONE) | M8 | (Intermediate silencer side), 2.7 ÷ 3.3 |
Remove the car from the ramp.
Removing
Position the vehicle on the ramp.
Ensure that the ignition key is in the OFF postition, then disconnect the battery negative terminal.
| Name | Connector | |
|---|---|---|
| Battery | A1B |
Proceed with the removal - 1080B40 catalytic pre-converter - r r.
1. Position a hydraulic jack under the power unit rear rigid mounting.
2. Undo the bolt securing the power unit rear rigid mounting to the flexible mounting.
Lower the power unit rigid rear support, as necessary, using the hydraulic jack.
1. Undo the nuts (1a) and remove the protective heat shield (1b).
2. Undo the bolts (2a) and remove the power unit rear support flexible mounting (2b), complete with shim (2c) and nut (2d).
Refitting
1. Place a new flexible mounting for the power unit rear support (1a), complete with shim (1b) and nut (1c), back in its housing and then secure it by tightening the bolts (1d) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1d | Bolt | INTERM RUBBER MOUNT | M8 | (Front suspension crossmember side) 3.2 ÷ 3.9 |
2. Place the heat shield (2a) back in its housing and secure it using the nuts (2b).
Place the rigid rear support for the power unit back in its housing using the hydraulic jack.
1. Tighten the bolt securing the rigid rear power unit support to the flexible mounting to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1 | Bolt | POWER UNIT RIGID REAR MOUNT | M12 | (Flexible mounting side) 7.5 ÷ 9.2 |
2. Remove the hydraulic jack from under the power unit rigid rear support.
Proceed with the refitting - 1080B40 catalytic pre-converter - r r.
Connect the battery terminal (-).
Remove the car from the ramp.
Removing
Position the vehicle on the ramp.
Ensure that the ignition key is in the stop OFF, then disconnect the battery negative terminal.
| Name | Connector | |
|---|---|---|
| Battery | A1B |
Proceed with the removal - 7055B54 under-engine guard - r r.
Proceed with the removal - 1072C44 exhaust manifold heat shield on bulkhead - r+r.
Proceed with the removal - 1080B40 catalytic pre-converter - r r.
1. Position a hydraulic jack under the power unit rear rigid mounting.
2. Undo the bolt securing the power unit rear rigid mounting to the flexible mounting.
Lower the power unit rigid rear support, as necessary, using the hydraulic jack.
3. Undo the nuts (3a) and remove the heat shield (3b) protecting the flexible mounting.
4. Undo the bolts (4a) and remove the flexible mounting for the power unit rear support (4b).
Refitting
1. Place a new flexible mounting for the power unit rear support (1a) back in its housing and secure it by tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | INTERM RUBBER MOUNT | M8 | (Front suspension crossmember side) 3.2 ÷ 3.9 |
2. Place the heat shield (2a) for the flexible mounting back in its housing and secure it using the nuts (2b).
Place the rigid rear support for the power unit back in its housing using the hydraulic jack.
3. Tighten the bolt securing the rigid rear power unit support to the flexible mounting to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 3 | Bolt | POWER UNIT RIGID REAR MOUNT | M12 | (Flexible mounting side) 7.5 ÷ 9.2 |
4. Remove the hydraulic jack from under the power unit rigid rear support.
Proceed with the refitting - 1080B40 catalytic pre-converter - r r.
Proceed with the refitting - 1072C44 exhaust manifold heat shield on bulkhead - r+r.
Proceed with the refitting - 7055B54 under-engine guard - r r.
Connect the battery terminal (-).
Remove the car from the ramp.
Removing
Position the vehicle on the ramp.
Proceed with removal - 7055B54 under-engine guard - r r.
Proceed with removal - 1076B82 left exhasust pipe between catalytic preconverter and converter r r.
Proceed with removal - 1008A44 rear rigid mount - r r.
1. Undo the nuts (1a) and remove the heat shield (1b).
2. Undo the bolts (2a) and remove the flexible mounting for the power unit rear (2b).
Refitting
1. Place the flexible mounting for the power unit rear support (1a) back in its housing and secure it by tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | INTERM RUBBER MOUNT | M8 | (Front suspension crossmember side) 3.3 ÷ 3.9 |
2. Place the heat shield (2a) back in its housing and secure it using the nuts (2b).
Proceed with refitting - 1008A44 rear rigid mount - r r.
Proceed with refitting - 1076B82 left exhasust pipe between catalytic preconverter and converter r r.
Proceed with refitting - 7055B54 under-engine guard - r r.
Remove the car from the ramps.
Removing
Position the vehicle on the ramp.
Ensure that the ignition key is in the OFF position, then disconnect the battery negative terminal.
- 7055B54 under-engine guard - r r.
1. Undo the nut (1a) and bolt (1b) and remove the power unit rear rigid mount (1c).
1. Position a hydraulic jack under the power unit rear rigid mounting.
2. Undo the bolt securing the power unit rear rigid mounting to the flexible mounting.
Lower the power unit rigid rear support, as necessary, using the hydraulic jack.
3. Undo the bolts (3a) and remove the flexible mounting for the power unit rear support (3b).
Refitting
Place a new flexible mounting for the power unit rear support (1a) back in its housing and secure it by tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| Bolt | INTERM RUBBER MOUNT | M8 | 2.7 - 3.4 |
Place the rigid rear support for the power unit back in its housing using the hydraulic jack.
Tighten the bolt securing the rigid rear power unit support to the flexible mounting to the recommended torque.
Remove the hydraulic jack from under the power unit rigid rear support.
Proceed with the refitting - 7055B54 under-engine guard - r r.
Connect the battery terminal (-).
Remove the car from the ramp.
Removing
Position the vehicle on the ramp.
Proceed with removal - 7055B54 under-engine guard - r r.
1. Position a hydraulic jack under the gearbox.
2. Undo the nut fixing the rear power unit rigid support to the flexible mounting.
3. Undo the bolts (3a) and remove the rigid rear support for the power unit (3b).
4. Undo the bolts (4a) and remove the flexible mounting for the power unit rear support (4b).
Refitting
1. Place the flexible mounting for the power unit rear support (1a) back in its housing and secure it by tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | INTERM RUBBER MOUNT | M8 | (Front suspension crossmember side) 3.2 ÷ 3.9 |
2. Place the power unit rigid rear support (2a) back in its housing and fix it tightening the bolts (2b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 2b | Bolt | POWER UNIT RIGID REAR MOUNT | M16 | (Manual gearbox/differential side) 10.8 ÷ 13.2 |
3. Tighten the nut securing the rear power unit rigid support to the flexible mounting to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 3 |
4. Remove the hydraulic jack from under the gearbox.
Proceed with refitting - 7055B54 under-engine guard - r r.
Remove the car from the ramps.
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