Location: Blue Mountains
Registered: February 2004
Re: s/c belt squeak. too tight or loose?
Mon, 21 June 2004 03:47
Mate, sounds like its too loose.
I had to change my belt heaps of times. It is too loose if it starts to squeal about 5500 - 6000rpm. This basically means you are losing boost. I was running about 12 pound and when the belt was squealing, i would peak at about 9 pound, and then drop to about 7 pound or so.
These belts are designed to be really tight. saying that though, if you tighten the belt to much you will here the stress on the supercharger / belt tensioner bearings.
What measured the tension by - looking down at the engine, then grab the s/c belt. try to wiggle it up and down, and see hou much movement you have got. Optimum tension is so you can move the belt about 2 or so mm from the resting postion up or down.
Its pretty important to get the tension right - just ask the old bearings that were in my belt tensioner. Its just a matter of fiddling.
Mon, 21 June 2004 03:47
