Serpentine Belts
Chevy 305
1982-1994 Chevy Cavaliers
DIY Projects

How do you replace the belt tensioner on a Chevy 305 motor?

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Wiki User
2005-11-25 04:54:57
2005-11-25 04:54:57

Remove the belt, Remove one bolt out of the fulcrum part of the tensioner and remove the tensioner; reverse the precedure.

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There is no adjustment on the spring / Tensioner. You either have the wrong belt are the tensioner itself is bad. Replace tensioner are belt.

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If it is a serpentine belt you replace the tensioner pulley

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Remove surpentine belt,then take out bolt that goes through tensioner to engine.

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Remove serpentine belt. Remove alternator. The bolts that hold the tensioner on are under the alternator.

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if it is a belt squeal, check and replace the serpentine belt and or the tensioner.

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Put a wrench on the tensioner. Push it slack. Replace the belt while holding the tensioner in the slack position.

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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.

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There is no adjustment you can do. It has an automatic self adjusting belt tensioner. If the belt seems to loose you may need to replace the tensioner and belt.

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Loosen the tensioner pulley on your 2001 Chevy Impala. The serpentine belt will become loose. Take the old belt off and put the new belt on. Tighten the new serpentine belt with the tensioner pulley.

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If the tensioner isn't working right, you replace it. Tension is determined by the tensioner and is not adjustable.

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It has a belt tensioner on the front passenger side of the motor. If the belt is loose check the tensioner by placing a 1/2 inch ratchet in the square on the front of tensioner and pushing up or replace the belt using the same technique .

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Note:The drivebelt routing decal on the radiator shroud to help during drivebelt install * To replace the belt rotate the tensioner pulley clockwise to release belt tension * Remove the belt from the auxiliary components and slowly release the tensioner * Route the new belt over the various pulleys again rotating the tensioner to allow the belt to be installed then release the belt tensioner

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Note:The drivebelt routing decal on the radiator shroud to help during drivebelt install * To replace the belt rotate the tensioner pulley clockwise to release belt tension * Remove the belt from the auxiliary components and slowly release the tensioner * Route the new belt over the various pulleys again rotating the tensioner to allow the belt to be installed then release the belt tensioner

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Note:The drivebelt routing decal on the radiator shroud to help during drivebelt install * To replace the belt rotate the tensioner pulley clockwise to release belt tension * Remove the belt from the auxiliary components and slowly release the tensioner * Route the new belt over the various pulleys again rotating the tensioner to allow the belt to be installed then release the belt tensioner

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A wrench with a .5 in square head is inserted in the spring-loaded tensioner. HOWEVER, you have to remove an engine motor mount and jack up the engine slightly to replace the belt. It's a very bad design.

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Note:The drivebelt routing decal on the radiator shroud to help during drivebelt install * To replace the belt rotate the tensioner pulley clockwise to release belt tension * Remove the belt from the auxiliary components and slowly release the tensioner * Route the new belt over the various pulleys again rotating the tensioner to allow the belt to be installed then release the belt tensioner

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it depends on the engine. on a 2.8l, the serpentine belt tensioner is below the power steering pump. pay careful attention to how the belt is routed, especially if there is no belt routing diagram under the hood (should be on the belt guard on top of the engine). release the tension from the tensioner, replace the belt, make sure you have it routed correctly, release the tensioner.

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REMOVE THE TOP MOTORMOUNT .TO ALLOW THE ENGINE TO COME UP WITH A SUITABLE JACK UNDER MOTOR REMOVE THE SERPENTIN BELT .. AND THEN REMOVE 15MM BOLT ON TENSIONER ...TO INSTALL NEW TENSIONER ,.

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locate the belt tensioner (left side if facing motor). using a 3/8 drive ratchet turn the tensioner 90 deg counter clockwise. remove old belt. rerun new belt according to diagram and reinsert ratchet turning 90 deg again counter clockwise. place slack in belt over tensioner and release the ratchet.

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You can adjust the belt tensioner by loosening the tensioner bolt. When the tensioner bolt is loose the tensioner pulley can move back and fourth.

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You have to unscrew the tensioner bolt and remove the serpentine belt first, then change the pulley and replace the belt.

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u do not adjust belt tensioner if belt is loose, u need to replace belt as tensioner works automatically

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Worn belt or belt that has stretched to the point the tensioner cannot keep the proper tension. The tensioner can also be defective. Replace the belt and the tensioner.

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There are two serpentine belts a/c timing etc. and alternator just release belt tensioner towards front of motor for outer belt and the secnd tensioner is located on the alternator


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