Drivetrain - Vibration/Droning

Group: 10

Number: 93-01

Date: October 15, 1993

Subject:
Drivetraln vibration/droning

Model(s):
Passat w/4cyl. and auto. trans.
All m.y.

Condition

Excessive vibration or droning from the engine/drivetrain at 2800 rpm or between 60 and 70 mph.

Verify that this condition originates with the engine/drivetrain rather than from out-of-round tires or tire imbalance.

Service

- Check exhaust system alignment. Refer to pages 26-1 through 26-5 of the Repair Manual.

- Loosen motor mounts and subframe bolts.

- Start engine, let engine run briefly then shut off. Repeat this several times.

- Tighten motor mount and subframe bolts.

- Test drive vehicle.

If the vibration still exists:

- Replace right engine mount with Part No. 535 199 262

- Replace subframe dampener weight with Part No. 357 199 322B

Note

The new dampener weight is 14 mm narrower than the weight it replaces.

CAUTION

Part numbers are for reference only. Always check with your Parts Dept for the latest information.