Rear Suspension Squeak or Groan Noise

NO.: SU001-96

REF: SUSPENSION

DATE: MARCH 15, 1996

Title: REAR SUSPENSION SQUEAK/GROAN NOISE

MODEL: ES 300

To reduce squeak, groan, rattle or tap noise from the rear suspension, the following components have been changed:

^ Rear Spring Bumper

^ Rear Suspension support assemblies

For repair of squeak or groan noise from another source, please refer to TSIB SU93-001 dated July 2, 1993 and TSIB SU95-002 dated February 24, 1995.





PART NUMBER INFORMATION:

PART IDENTIFICATION:

Rear Spring Top View:

Six protrusions have been added on the top of the NEW Rear Spring Bumper as shown.





PRODUCTION EFFECTIVE:

FIELD-FIX METHOD:

Confirm that rear spring bumper and/or rear suspension support assemblies are the source of the noise and replace old style parts with new ones.





WARRANTY INFORMATION:

^ There is an alignment measurements/readings print-out BEFORE the actual repair showing the rear suspension was within specifications at that time, and


^ There is an augment measurements/readings print-out AFTER the work was done showing the alignment was altered by the work performed.


In addition, these print-outs need to be marked "BEFORE" and "AFTER", and supported by an additional print-out confirming that the toe-in/camber (as applicable) was reset to specification.