Exhaust System: Diagrams

Exhaust system, component layout






NOTE:
- after working on the exhaust system ensure that the system (cold) is not preloaded
- check for sufficient clearance between the exhaust system and the chassis
- if necessary loosen the appropriate clamps to allow the mufflers and pipes to be turned and pushed in a longitudinal direction until sufficient clearance is obtained
- the hanging load must be distributed equally over the entire set of retaining rings
- the front muffler assembly is supplied as a single part. For removal and installation; lower the rear axle assembly
- always replace self locking nuts

1 - Exhaust manifold
- in two sections
2 - 3O Nm (22 ft lb)
3 - CO tap tube
4 - Cap for CO tap tube
check for secure fit
5 - Front exhaust pipe
6 - Gasket
always replace
7 - 25 Nm (18 ft lb)
always replace
8 - Catalytic converter
9 - Heat shield
note installed position
10 - 10 Nm (7 ft lb)
11 - Clamp
12 - Center muffler
13 - Hanger bracket for rear retaining ring
note installed position
14 - Retaining ring
note style when replacing
15 - Hanger bracket for mid-exhaust retaining rings
note installed position
16 - 40 Nm (30 ft lb)
17 - Front muffler
note installed position
18 - Oxygen sengor (G 39)
- 50 Nm (37 ft lb)
- lubricate threads with G5 but do not allow G5 to contact or enter the slotted portion of the sensor tip
19 - Exhaust manifold gasket
- in 2 pieces
- always replace
- note installed position
20 - Shield

CAUTION! Do Not use any sprays or compounds containing silicone on engines equipped wijh Oxygen sensors. Do Not use these compounds on or near intake air system or near the Oxygen sensor. Silicone drawn into the intake air system is not burned during combustion and will lead to contamination and malfunctioning of the Oxygen sensor.