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Posted by bsendkew, Nov 20, 2011
Bolt-on Tech - 4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
Oil and coolant is very common to cause this, it has the potential to leak from various places on the engine and can get on the belts.
Is your bracket loosening? or is the belt that loosening? If its the belt, just get a new one, take two min to put on, especially since you changed the alternator you have the ability to change the belt. If its your bracket that keeps loosening I would look into the thread and bolt that are holding it in place.
When the belt is situated in position, and prepared to be tightened, there should be 1/4inch of play in the belt, if you depress it in the middle.
If the belt squeals, it's not tight enough. Just keep tightening in small increments until it stops. My experience with my '90 is you have to be careful about how the bolt is oriented. One can easily end up tightening against nothing, and so pay close attention to exactly how it's positioned when tightening.
I see absolutely no reason for this and definitely wouldn't do that myself. Please explain!
It doesn't matter, if the belts tight and it still squeals its the alternator. I went through three reman'd alternators before I found one that didn't howl at me every morning and piss off the neighbors.
Heres the FSM page, torque everything to spec (the tensioner bolt in particular) and if the symptoms don't change then its the alternator.
If the belt is new and its not contaminated , check all the bearings, could be the altenator it self binding.
Dont tightet the belt too much cause you put to much load on the bearings. Let it be tight, but not as tight as your body can make it.
Hey man, if your belt is squeaking then there is an issue. It's not a "this is just how DSM's are" kind of thing. DSM's are like any other vehicle in that the components that make it up are largely similar and serviced in the same manner as other vehicles are. A squeaky belt is a squeaky belt and there are known fixes for this issue. I wouldn't just "deal with it" as something that "these cars do."
simple question simple well stated answer
chekc that too