Suspension - Front End Squeaking/Grunting Noise

SQUEAKING/GRUNTING NOISE FROM AREA OF FRONT AXLE DURING JOUNCE MOVEMENTS

Topic Number LI32.20-P-047411

Version 1

Design Group 32.20 STEEL SPRINGS/TORSION BARS, NIVEAUMAT

Date 07-23-2009

Validity MODEL 171.### #F UP TO 076559

Reason for change Supercedes DTB P-B-32.20/38a

Reason for block

Complaint:

Squeaking/grunting noise from area of front axle during jounce movements!

The noise can be reproduced by rocking the vehicle at the front axle on both sides.

Cause:

When the suspension is compressed at the front axle, the compression/deformation of the stop buffer in the suspension strut can cause friction noises between the piston rod and the stop buffer (see attachment)





Attachments

Remedy:

1. Raise vehicle at front axle.

2. Pull down stop buffer with boot.

3. Lightly grease piston rod with lubricant.

4. Push stop buffer with boot back up to original position.

5. Lower vehicle.

1 Sufficient for 10 cars, Submit as Local Purchase - SGR00203, Qty 1, handling is included.





Symptoms





Parts





Work units





Validity





Stop buffer, model series 171