184000733 - 4420OB CHECKING CORRECT TIGHTENING ON REAR SUSPENSIONS

Position the vehicle on a two column lift.Raise the vehicle and check that the various rear suspension fastenings are correctly tightened.
If the area where the noise is coming from has been identified, firstly check the fastenings in that area, otherwise follow the order indicated.
1. Using a torque wrench calibrated to the recommended value, check that the upper (1a) and lower (1b) shock absorber fixing nuts are tightened to the torque given below.
FasteningComponentDiameterValue (daNm)
1aBoltBodyshellM108
1bBoltAxleM1210
2. Using a torque wrench calibrated to the recommended value, check that the fixing bolts between the rear axle and the bodyshell are tightened to the torque given below.
FasteningComponentDiameterValue (daNm)
2BoltBodyshellM106
3. Using a torque wrench calibrated to the recommended value, check that the fixing bolts between the rear axle and the supports are tightened to the torque given below.
FasteningComponentDiameterValue (daNm)
3BoltSupportsM129
4. Using a torque wrench calibrated to the recommended value, check that the bolts fixing the stub axle to the axle plate are tightened to the torque given below.
FasteningComponentDiameterValue (daNm)
4aBoltStub axleM10x1.256
4bStudStub axleM12x1.251,2