CL 55 AMG (215.374) V8-5.5L SC (113.991) (2004)
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Compressor Pulley: All Technical Service Bulletins
A/C - Grinding Noises From The Compressor Pulley
Date: February 23, 2009
Order No.: P-B-09.50/25a
Supersedes: P-B-09.50/25 dated January 31, 2006
Group: 09
Revision History
Revision
Date
Purpose
a
2/23/09
Applicable Models, Symptom, Parts and Warranty Information Updated
-
1/31/06
Initial issue
SUBJECT:
Noises From the Area of the Belt Pulley of Compressor (Supercharger) Clutch
If you receive customer reports in the above model vehicles of grinding or ringing noises from the area of the belt pulley of the compressor clutch at idle
speed, the cause may be due to wear on the ball bearing or riveted joint of the belt pulley. In addition on vehicles equipped with Engine 113, a short
squeaking noise when the compressor clutch engages may be experienced. To resolve, replace the belt pulley on Engines 112/113 and the flange on
Engine 113 only. Refer to WIS document AR09.50-P-4787R.
Parts Information
Note:
The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on
February 23, 2009. Please refer to Netstar --> Star TekInfo --> Star Time for the most current labor time allowance.
In Case of Warranty, use the table above.
