Exhaust System: Adjustments

Exhaust System, Aligning Free Of Tension

To avoid noise and tension in the exhaust system, install exhaust system as follows:

NOTE:
- Requirement for the installation of exhaust system is the exact alignment and tightening of front pipes and catalytic converters.
- Loosen all threaded connections of exhaust system (except exhaust manifold and flange connection, catalytic converter/intermediate pipe).
- Align exhaust system when cold.
- Following work procedure must be performed in the specified sequence.
- Dimensions provided in the illustrations are guiding dimensions.

- Vehicles without clamp between center and rear muffler

NOTE: Align exhaust system when cold.

- Loosen double clamp mounting bolts -Item 4 -.







- Slide exhaust system far enough toward front until end pipe -1- has distance -a- from bumper -2-.
- Dimension a = at least 40 mm
- Tighten screws of front clamps between catalytic converters and center muffler evenly to 40 Nm, installation position.







- For correct distance of end pipes / bumper, adjust pre-tension on rear mount for rear muffler to -a- = 7 ... 11 mm.

- Vehicles with clamp between center and rear muffler

NOTE: Only for vehicles with double clamp between center and rear mufflers, the center muffler must also be aligned.

- Loosen double clamp mounting bolts at front -Item 4- and at rear -item 8-.







- Push exhaust system far enough forward (arrow) that the pre-tension at rear left retaining loop of center muffler is -a- = 7 ... 9 mm.
- Tighten screws of front clamps between catalytic converters and center muffler evenly to 40 Nm, installation position.







- Slide rear muffler far enough toward front(arrow), until pre-tension at rear right retaining loop on rear muffler a = 7 to 11 mm.
- Tighten screws of rear clamp between main muffler and rear muffler evenly to 40 Nm, installation position.







- Pre-tension of retaining loops is correct when distance -a- is set between end pipes -1- and bumper -2-.
- Dimension a = at least 40 mm

Installation position of front double clamp







- Screw tips must not project beyond the lower edge of the clamp.

Installation position of rear double clamp







- Screw tips must not project beyond the lower edge of the clamp.