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How do you replace a tension pulley assembly on a 89 Chevy Celebrity?
Wiki User
∙ 14y ago
How to replace the tensioner assembly depends on which engine your car has.
If it is the 2.5L 4cylinder engine:
1. The tensioner assembly covers a coolant opening in the block, so you need to drain the coolant to point lower than the bottom of the tensioner assembly.
2. Release the tension on the serpentine belt and move the belt out of the way.
3. The tensioner assembly also is the mounting point for the Power Steering pump. So to change the tensioner assembly first remove the power steering pump. Be careful to avoid power steering fluid leakage.
4. With the power steering pump off, the tensioner assembly is held onto the block with three screws, remove them.
5. At this point the tensioner assembly should simply pull off. It may be stuck to the block with rtv sealant.
Install the new tensioner:
1. Clean the old sealant off of the block. Be sure to have an adequate bead of rtv on the block or the tensioner to seal against coolant leaks. The last time I replaced one of these there was no mounting gasket, it was all done with just rtv sealant.
2. Mount the new tensioner and tighten the bolts.
3. Reattach the power steering pump. Check the fluid level, refill if necessary.
4. Reinstall the serpentine belt.
5. Top off coolant as necessary, check for leaks.
If your car has the 2.8L V6:
1. Release the tension and remove the serpentine belt.
2. The tensioner assembly is held on by one bolt in the middle of the fixed end. Remove the bolt.
3. Install the new tensioner assembly. be sure it is in the correct rotation. Tighten the bolt.
4. Put the serpentine belt back on.
You are done.
Wiki User
∙ 14y ago
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