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From digest.v7.n1108 Tue Feb 10 16:44:26 1998
From: "Ron Browne" <>
Date: Tue, 10 Feb 1998 11:57:40 -0500
Subject: <E36>M42 Belt Adjustment Tip

If you have replaced the 3 drivebelts (Alternator, Power Steering, and A/C Compressor) belts on your M42 318, you may want to recheck the tension after a few months. Replacement of the belts is a pretty easy job, but my alternator belt began to squeal like a girl with a skinned knee during damp periods, especially during cold/damp mornings or nights. 99% of the time, squealing belts is caused by improper belt tension so don't try to rectify the problem with a can of belt dressing. That may help initially, but it will wear off. The proper thing to do is adjust the belt tension. A quick check revealed that my alternator belt had maybe stretched a bit, or maybe the star-wheel adjusting bolt slipped back a cog or two, allowing a bit more slack in the belt. You will need to remove the airbox hose in order to access the rearbolt on the adjusting wheel. And be very careful when adjusting the starwheel..the teeth on this wheel are pretty soft, and appear to strip fairly easy. Ensuring that the belts are in good shape and properly tensioned also quieted down some underhood chatter I was having.

Ron Browne
1992 318is
Bowie, MD
94,000 miles.

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