Driveline - Low RPM Torsional Vibration Solution
Clutch Disc: Customer Interest
Driveline - Low RPM Torsional Vibration
Number:
87-189
Section:
7B
Date:
July, 1987
SUBJECT:
DRIVELINE TORSIONAL VIBRATION
MODELS:
1984-1987 S/T TRUCKS WITH MANUAL TRANSMISSIONS
Some 1984-87 S/T trucks that experience driveline torsional vibration (noticeable at low engine RPM) may be repaired by installing a revised clutch
plate, which incorporates a longer dampener travel to remove vibration.
P/N 15608690
Plate Assembly
2.5L (LN8)
P/N 15608691
Plate Assembly
2.8L (LL2)
The above parts are not presently used in production.