How do you replace the fan belt on a 1968 Chevrolet Impala SS?
The alternator is the adjustment point. Loosen the bolts holding the alternator to the engine and slide the alternator in towards the engine. This will allow you to remove the fan belt. However, if you also have power steering, the power steering belt may have to be removed before the alternator belt can be completely removed. Loosen the bolts holding the power steering pump assembly to the engine and slide the pump towards the engine to remove both belts.
To replace the timing belt tensioner on a 1987 to 1990 Chevrolet Celebrity V6: 1. Use a 3/8" breaker bar to release the belt tension, move the belt out of the way. 2. Remove the single bolt out of the center of the fixed end of the tensioner. The belt tensioner will now come off. 3. Install the replacement tensioner and put the belt back on.
There is a center bolt in the fixed end of the belt tensioner. To replace the tensioner: 1. Using a 3/8" breaker bar release the belt tension and move the serpentine belt out of the way. 2. Use the appropriate wrench to take out the one bolt, then remove the tensioner. 3. Install the replacement tensioner and tighten the bolt. 4. Put the serpentine belt back on.
Disconnect negative battery terminal. Remove serpentine belt. Remove alternator. You don't need to remove the wiring. Just move it out of the way. Drain the radiator. Remove the belt tensioner assembly. (3 bolts) Dorman 47065 is the part # which includes the fitting for the intake manifold and the water pump housing. Some antifreeze on the o rings or silicone grease will help installing the new elbows.