A/C - Compressor Noise
Group 64Heating and Air Conditioning
Bulletin Number
64 06 96
Woodcliff Lake, NJ
June 1996
Product Engineering
SUBJECT:
Operating Noise from the A/C Compressor Area
MODEL:
3 Series vehicles (E36) with M42, M44, S50 and S52 engines until 02/96
Complaint:
Engine speed related noise from the A/C compressor area.
Cause:
The adjusting pulley for the A/C compressor has no dust cover on the back side and may have been contaminated by dirt.
Correction:
In case of this complaint, replace the adjusting pulley with the new one that has a dust cover on the back side (see No. 1 in illustration).
Do not forget to reapply the protection cap on the front side of the pulley.
Do not replace the compressor.
For details, please refer to the appropriate repair manual, section 64/52.
Warranty Information:
Parts and Labor are reimbursable under the terms of the BMW new car limited warranty of 4 years / 50,000 miles.
Defect Code: 64 52 91 39 00
Parts Allowance: 11 28 2 245 087
Labor Operation: 64 52 110
Labor Allowance: 4 FRU