Service bulletin LI35.31-P-074854

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

Complaint Noises from the rear axle differential, particularly when cornering slowly Cause Small quantity of water entering into oil of multiplate clutches at right and left Remedy Follow below steps to install vent hose A 177 350 02 03: (See attachment section for installation instructions with reference photos if needed) 1. Raise the vehicle with the vehicle lift 2. Detach the old breathers (2x) from the clutch housing right and left using a suitable tool (Figure 1) 3. Support rear axle differential 4. Remove the rear screw from the rear axle differential on the rear axle carrier (Figure 2) Note: pay attention to the position of the adjustment disc and mark it! 5. Lower rear axle differential 6. Clean the upper bore (Figure 6) on the left side of the rear axle carrier 7. Place the new vent hose with the Y-vent connector from right to left in front of the right rear axle shaft over the rear axle differential (Figure 3) 8. Slide the angle connectors onto the vent connections onto the rear axle differential on the left (Figure 4) and right (Figure 5) 9. Install the vent connection of the new line on the left side into the upper bore (Figure 6) of the rear axle carrier (Figure 7) 10. Attach the fastening clip (pre-assembled on the new bleed line) to the rear axle differential housing. (Figure 8) 11. Lift the rear axle differential and install the screw from the rear axle carrier (M14 torque 150 Nm) Note: pay attention to the position of the adjustment disc! Once new vent hose is installed: 1. Carry out oil change of clutch oil on left and right sides (Shell TF0870B). - DO NOT change the gear set oil (at center), since this is a long-life oil that is not related to the cause Return the vehicle to the customer and inform them that they must drive a distance of at least 250 km (155mi); The complaint should no longer occur.

The document

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Components

Transmission and driveline

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