A/C - Excessive Compressor Noise/Runs Rough
SI M64 01 10
Heating and Air Conditioning
April 2012
Technical Service
This Service Information bulletin supersedes SI M64 01 10 dated July 2011.
[NEW] designates changes to this revision
SUBJECT
Howling/Rough Running Noise when the A/C Compressor is Engaged
MODEL
R55 (Cooper Clubman, Cooper S Clubman)
R56 (Cooper, Cooper S)
R57 (Cooper Convertible, Cooper S Convertible)
R60 (Cooper Countryman, Cooper Countryman S, Cooper Countryman All4)
[NEW] All vehicles produced from 9/30/2009 to 10/31/2010
[NEW] NOTE:
The vibration absorber is installed at the factory on all vehicles produced from November 2010.
SITUATION
Date: 1204012010 Mini Cooper (R56) L4-1.6L (N12)
Page 15
The air conditioning compressor is excessively loud/running rough when the air conditioning system is switched on and the compressor is
active.
CAUSE
Vibration in the air conditioning suction line (low side).
PROCEDURE
See attachment.
PARTS INFORMATION
[NEW] WARRANTY INFORMATION2010 Mini Cooper (R56) L4-1.6L (N12)
