Exhaust System: Service and Repair
M52/1328, M60, M62, M73
If necessary, remove rear underbody protection and heat baffle plate from front axle support.
Unfasten mount on exhaust catalytic converter from back of body.
M52/B28, M60, M62, M73
Support exhaust system with special tool 31 2 220. (weight approx. 53 kg)
M60, M62, M73
Disconnect left and right plug connections on Lambda oxygen sensors. Unclip cable.
M60, M62, M73
Unfasten exhaust system from exhaust manifolds (M6 or exhaust pipes (M73).
Installation:
Replace sealing ring.
Note:
1. Without sealing ring (outer)
2. With sealing ring (inner)
M52/B28
Unfasten screw connection on flanges.
Installation:
Check gaskets and replace if necessary.
Replace self-locking nuts.
Coat thread with copper paste -CRC-.
M60, M62, M73
Unfasten rubber mount for rear muffler on rear axle carrier.
M52/B28
Unfasten rubber mount for rear muffler on rear axle carrier.
M60, M73
Unfasten clamping bracket on left and right rear mufflers.
Remove complete exhaust system.
M60, M62, M73
Installation:
Preload rubber mount in forward driving direction by distance A = 15 mm.
M52/B28
Unfasten rubber mount on left and right rear mufflers.
Remove complete exhaust system.