900 L4-1985cc 2.0L DOHC (1986)
Constant Velocity Joint: Customer Interest
Drive Axles - Vibration at Idle
CATEGORY
Transmission
SECTION
4
PAGE
29
ISSUE
02/95-0550
CODE
475
Subject:
Correcting Complaint of Vibration At Idle
Application:
900 models with B-W automatic transmission, -1993 (CV, -1994)
Should a customer complain of severe vibration in the drivetrain when a forward gear is selected, but the vibration goes away when reverse gear is
engaged, first check the inner drivers for excessive wear. By swapping the drivers left to right (turning the load surfaces around) you should be able to
transfer the problem to a complaint of vibration when stationary in reverse. This could help you troubleshoot the problem.
Worn inner drivers should be replaced.
Please note that rebuilt Type 37 B-W transmissions are refurbished with new parts when necessary but sometimes the inner drivers are reused if the
rebuilder determines that wear is negligible. The symptom of an idle vibration complaint may arise when installing a new rebuilt transmission if the inner
drivers were not replaced.
Cars Affected:
900 models with automatic transmission up to 1993
Parts:
Inner driver
87 22 472
Action:
1.
Replace worn inner driver following instructions appearing in Service Manual 4:2 Automatic transmission, p. 475-1.
Warranty Information:
Based on a customer complaint, a warranty claim may be submitted using the following information:
Failure code: 47512-10-3/4-01-01
Labor Operation: 47512 R & R Inner U-Joint, Seal, or Bearing (One side) for 1.2 hr. or