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12magnum 12magnum is offline
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Join Date: Dec 2005
Location: lexington,ky
Posts: 81
86 timing belt tracking

hey guys,

my 86 928s has a slight issue. my timing belt tracking is slightly off. When the car is cold, i can hear a slight rythmic squeaking. I removed the passenger side air intake hose, so I could look down in the timing belt cover while it is running. what i noticed is that the belt is wandering back and forth on the cam gear. Every time the belt wanders over towards the cylinder head, I hear a slight squeak, then the belt moves back out away from the head. It only does this when the engine is cold. I check the belt tension with my kempf tool and it's ok. I replaced my timing belt, water pump, rollers and rebuilt the tensioner about 4500 miles/2 years ago. I also don't see and wear on the belt so i don't think it is likely to shred the belt.

Do I have a problem or is this normal. Is there any way to adjust the tracking? I'm just asking because if this is a sign that my tensioner or something is about to give up, I will take it off the road and re-do the whole timing belt job. btw, I used a kit from 928specialists for my parts.

mike
Old 07-23-2007, 07:16 AM
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