Engine - Idle Shake With Air Conditioning Running
Bulletin 85-1-11Date Feb. '85
Ref.No. 85-062-1
SUBJECT: ENGINE IDLE SHAKE WITH AIR CONDITIONING RUNNING
MODELS AFFECTED: 1985 SOMERSET REGAL WITH 3.0L MFI ENGINE (LN7) AND AIR CONDITIONING (C60)
3.0L MFI V-6 A/C COMPRESSOR MOUNTING:
An engine idle shake on early 3.0L MFI V-6 engine equipped cars may occur. If the condition can be improved by turning the air conditioner off; a revised air conditioning compressor rear mounting bracket should be installed.
The revised bracket, part number 25525547, has an additional bracket to compressor attaching point.. The additional attachment is inboard to the engine on the bracket (See Figure). Make sure car does not have revised bracket before utilizing this procedure. Two bolts, service part number, 14060613, should be used to attach the bracket to compressor in both rear locations. Torque upper bolt to engine on compressor and engine mount bracket to 80-100 N-m (59 - 73 ft.lbs.). Torque remaining three bolts to 20-34 N-m (15 - 25 ft.lbs.).