I just changed my tensioner in a 97 caravan with the 3.3 liter engine. It is pretty hard to change but can be done if I can do it. You have to take the belt off first. Use a 15 mm wrench to turn the bolt in the middle of the tensioner to the right. This makes slack in the belt and you can pull it off one of the pulleys. Be careful as the tensioner is very strong. There is a 15mm nut on the back of the tensioner. That is all you have to remove to pull the tensioner off. Access to it looks just about impossible at first. You have to jack the car up and go under it with a flashlight to see it. I was able to get a 15mm wrench up there by contorting my arm. I had to just crank it down when replacing it since there was no room for a torque wrench. This part has broken twice on my car so I just changed that and the water pump to be safe.
The spark plugs are just about impossible on the back side. I was able to get the number one plug changed by moving the alternator. This is what the Haynes manual says to do. The number 3 and 5 look really hard to get at. The book says something about removing the resonator and taking off some support bar, but I have not been able to get it off yet. If anyone has a tip for the rear plugs please let me know.
regards
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