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What is used to apply tension to engine belts on a 4.8 liter Chevrolet?
Wiki User
∙ 16y ago
If it has a serpentine belt it should have an automatic belt tensioner
If it doesn't have a serpentine belt then alternator should be the adjustment/pivot point
Wiki User
∙ 16y ago
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Why does J30 squeak when you start it?
It might be one of your belts. Check the inside of each belt (the part that contacts the pulleys) for shininess or cracking. If the belts are okay, then check and/or tighten the tension. Steven
Why would a 1994 Geo Prism belts squeal when the car starts?
When the engine is cold, check for serpentine belt condition and tension with a flashlight and your hand by pushing on the belt at about the halfway mark between pulleys. There should be 1/2 inch or less play in the belt. Also check for cracking along the inside surface ribs of all belts. There should be 3 total belts if you have air conditioning. Any cracking along the belt ribs and the belts should be replaced and properly tensioned. If the belts look ok so far, have a helper start the vehicle while you watch the pulleys with a flashlight. Any signs of a pulley that is not rotating with the engine is a sign of the component attached to the pulley begining to seize. Whether this is a power-steering pump, A/C compressor or other pulley driven item, it should be inspected or possibly replaced by a qualified individual.
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Why does your 1990 Jeep Cherokee engine sqeal when you turn the heat on?
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How do you check the engine belt tension pulley?
There are a few different ways to adjust the drive belt or V-belt tension in a vehicle. The most popular used nowadays is a serpentine belt that connects to and activates every pulley in the engine. These serpentine belts require no tension adjustment as they incorporate an automatic belt tensioner. This type of tensioner has an internal pre-set spring and applies the correct amount of tension to the belt. Some older vehicles and some imports may use a combination of V-belts and serpentine belts in offset pulleys still controlled by the crankshaft pulley. Most often, there are belt tensioners on these vehicles that allow proper tension to be adjusted.
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