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Sounds like your serpentine belt has become stretched over time and needs to be replaced. One of the pulleys is going to be spring loaded and placing a wrench on it and pushing or pulling(gently but firmly) will give you the direction to loosen it off. This belt tensioner is non adjustable .It either tightens the belt enough or it doesn't hence the squeal.Good luck.
Click on the following free, direct Link. It has the Belt Diagrams for your 1996 Isuzu Trooper with the 3.2L DOHC V6. It also has the positioning for what Belts go where on the Crank Pulley.
Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
Click on the following: free, direct Link. It has several Diagrams including the Serpentine Belt Diagram for your 1998 Isuzu Trooper 3.5L DOHC V6. It also has Instructional and Directional Diagrams that will help you.
I had the same problem when trying to replace the serpentine belt on my 2001 Trooper. The Maintenance book was very vague and I couldn't tell exactly how the tension was taken off the belt, but it did clearly identify the tensioner pulley. I first removed the pulley and looked for some kind of slot that would give me the adjustment I needed, but no slotted adjustment is present on the 01 Trooper. I had to do some research so I pulled of the tensionerassembly and found that there is a spring coil which keeps tension on the belt constant, and eliminates any belt alignment problems.
The Litens style tensioner uses a spring to apply pressure towards the serpentine belt. The way to relax the spring is to use your 14mm socket and ratchet and force the pulley down by driving the pulley nut in the clockwise direction. This forces the spring to compress and the pulley to drop giving the needed clearance to get your new belt in place.
Sorry for the severe delay. I am personally going back to answer your unanswered question. I do not know if you still need the answer, but I am going to answer it in case you still do.
Click on the following direct Link. It has the Timing Belt Diagrams and Photos with Marks for the Camshaft and Crankshaft that you will need. It also has numerous other helpful diagrams, instructions and photo's for use.
Again my apologies... Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
this is of course a V6 petrol engine
1=crank
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