Re: 92 900 TC squel/whine at startup - Saab 900 Bulletin Board - Saabnet.com
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Sounds like the dreaded failing harmonic balancer if all your belts are properly tightened.
The main pulley, which drives the accessory belts from the crankshaft, has two parts held together with a rubber ring to absorb engine vibration. Sometimes the rubber deteriorates and the outer ring, which has the grooves for the belts, starts to slide around the inner core on cold startup and cause the squeal you hear.
This is something that you need to diagnose for sure and fix if it's bad - the outer ring can slide around too much and eventually chew up the oil pump cover. Not a good thing.
do searches for "Harmonic balancer" and "main pulley" on the site to get more info. I'm at work and don't have all my resources handy.
posted by 66.21.16...
Posts in this Thread:
- 92 900 TC squel/whine at startup, Gregory Smith, Thu, 26 Sep 2002 09:35:46
- thanks for all your help, Gregory Smith, Thu, 26 Sep 2002 14:45:54
- I suggest..., mdbush, Thu, 26 Sep 2002 14:06:05
- Re: 92 900 TC squel/whine at startup, RS , Thu, 26 Sep 2002 10:46:04 <-- Viewing This Message
- Re: 92 900 TC squel/whine at startup, ChrisB, Thu, 26 Sep 2002 10:44:12
- Checked oil level and power steering fluid level? >, Micah in NC, Thu, 26 Sep 2002 10:31:36
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