M/T, A/T - Knocking Noise Under Load

37 07 18

August 23, 2007

2015979





Vehicle Information

Condition

Transmission, Knocking Noise Under Load
Knocking noises at load change from pendulum support.

Tip:

If vehicle is equipped with 6 speed manual transmission (MQ350), see Technical bulletin Instance number 2015981 in ElsaWeb.

Technical Background

Connection between pendulum support and gearbox may be loose.

Engine vibrations affect the connection and may loosen the bolts.

Production Solution

No production change required.

Service

1. Check pendulum support bolts.

2. If bolts are loose:

a. Remove bolts.

b. Discard original bolts.

c. Install pendulum support and secure with new bolts listed below.

M10x35 (N91066101)

M10x75 (N10680201)





Note:
Contrary to the repair manual use following torque:
Tighten bolts to 50 Nm (37 ft. lbs.) plus 90°.





Warranty





Required Parts and Tools

No special tools required.

Additional Information

All part and service references provided in this Technical Bulletin are subject to change and/or removal.

Always check with your Parts Dept. and Repair Manuals for the latest information.