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You will need to loosen the tensioner pulley. Put the alternator belt on. Push the tensioner pulley to the left until the alternator belt is tight. Tighten down the tensioner pulley.
The system should have an automatic belt tensioner. If the belt is loose the tensioner must be shot. The tensioner is available from your local auto parts store.
In order to put in a new belt tensioner in a 1992 Plymouth voyage you must first release the belt from the stock tensioner and remove. Next install the new belt with the stanchions given.
To get the belt off, you have to put a breaker bar into the square hole in the tensioner, and either pull up or down. The tensioner spring is what tighten's the belt. It is just three bolts then to get the tensioner off.
There is a spring loaded tensioner that holds the tension on the belt. Get a wrench that fits the nut on the tensioner and apply alot of clockwise pressure that will losen the tensioner and allow the belt to go on and off.
Open the hood and look. If it has a serpentine belt there is a tensioner.
There is no adjustment. If it will not keep the belt tight then either the belt has stretched to the point it needs replacing or the tensioner is defective and needs replacing.
is your belt tight enough,does it need replacing,check your belt tensioner to see if the bearings are bad.
try to push the belt tensioner in then the belt should come loose
Loosen the belt tensioner and take the old belt off. Put the new one on and let the tensioner back in position. If you don't have a tensioner, you'll have to loosen the alternator and ac compressor adjusting bolts.
Put your new fan belt around the pulleys of your 1992 Chevy Blazer. Tighten the fan belt with the tensioner pulley.
There is a tensioner pulley on the belt and this should take care of this. Check the diagram of the belt routing just in front of your radiator. Tensioner pulley may be stuck also