Question about 1996 Chevrolet Corsica

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How do i de-tension the drive belt so I can replace my alternator on my 1996 chevy corsica? I know where the tensioner is, but can figure out how to relieve tension on the belt.

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Its on the alternator undo the bolts and the belt will come loos

Posted on Aug 28, 2010

  • helicrasher_ Aug 28, 2010

    already have the alternator out but i need to relieve tension on the belt so i can get it around the pulley on the new alternator.


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Replace the fan belt 2003 chevy tracker 2.0

Jerald, You will have to remove the the accessory belt first I believe by putting appropriate wrench on tensioner and pulling tensioner toward passenger side to allow removal of the belt. Then you will loosen alternator to let tension off fan belt and replace the fan belt. Reverse procedure to install. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
2002 Chevy Tracker 2 0L 2 5L Serpentine Belt Diagram serpentinebelthq com
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Jun 15, 2016 | Cars & Trucks

1 Answer

How to move tensioner on 1991 chevy corsica

The tensioner is the smooth pulley(back side of the belt,no grooves)
Think it's a 15mm bolt, just "tighten the bolt" and the spring loaded tensioner will move The pulley is steel on the 4 cyl, plastic on the V-6 The tensioner bolt is left hand thread so it won't unscrew when you realese the tension.

Apr 11, 2012 | 1991 Chevrolet Corsica

1 Answer


Hi, it appears there are other belts in front of the alternator belt. In this case, the other belts have to come off first. There are adjusting mechanisms on each the air pump, compressor, and alternator to loosen and tighten the belts. The power steering belt is adjusted by sliding the idler pulley. Please follow the instructions below and let me know if you have any questions.


See Figures 6, 7, 8, 9, 10 and 11


Fig. Fig. 6: Loosen the pivot bolt ...


Fig. Fig. 7: ... push the component inwards ...


Fig. Fig. 8: ... slip the old belt off and install a new one


Fig. Fig. 9: Pull outwards to tension the belt


Fig. Fig. 10: Belt routing on the 20R, 22R and 22R-EC engines


Fig. Fig. 11: Belt routing on the 4ME, 5ME and 5MG-E engines


To adjust the tension of the alternator drive belt on all models, loosen the pivot and mounting bolts on the alternator. Using a wooden hammer handle, a broomstick or your hand, move the alternator one way or the other until the proper tension is achieved.

WARNING Do not use a screwdriver or any other metal device (such as a prybar) as a lever.
Tighten the mounting bolts securely. If a new belt has been installed, recheck the tension after about 200 miles (480 km) of driving.

Air Conditioning Compressor

A/C compressor belt tension can be adjusted by turning the tension adjusting bolt which is located on the compressor tensioner bracket. Turn the bolt clockwise to tighten the belt and counterclockwise to loosen it.

Air Pump

See Figures 12
To adjust the tension of the air pump drive belt, loosen the adjusting lever bolt and the pivot bolt. Move the pump in or out until the desired tension is felt.
The tension should be checked between the air pump and the crankshaft pulley on cars without air conditioning. On cars with A/C, the tension should be checked between the A/C compressor and the crankshaft pulley.


Fig. Fig. 12: Moving the air pump to tension the drive belt

Power Steering Pump

Tension on the power steering belt is adjusted by means of an idler pulley. Turn the adjusting bolt on the idler pulley until the desired tension is felt and then retighten the lockbolt.

Sep 11, 2011 | Toyota Celica Cars & Trucks

2 Answers

I need to replace the belt tensioner on a 2000 Chysler Caravan with a 3.0L engine, with a/c. I would appreciation a diagram for properly installing the serpentine belt, and some instructions on how to...

Hi, I have pasted the procedure for belt replacement below. To replace the tensioner as well, first take the belt off. Then remove the pulley from the tensioner. This will expose the single bolt that holds the tensioner on. Replace the tensioner and then the pulley (if replacing all). Then reinstall the belt.

Alternator/Power Steering Pump Belt
The alternator/power steering pump belt is provided with a dynamic tensioner to maintain proper belt tension.
  1. Disconnect the negative battery cable.
  2. Raise the front of the vehicle and safely support it with jackstands.
  3. Remove the right front splash shield.
  4. Release tension by rotating the tensioner clockwise (use a box-end wrench on the tensioner bolt shown in the picture.
  5. Remove the belt and install a replacement.
  6. Proper belt tension is maintain by the dynamic tension.
  7. Install the right front splash shield. Lower the front of the vehicle.
  8. Connect the negative battery cable.

  1. jturcotte_2078.gif

    Fig. Alternator/power steering pump belt tensioner bolt location


Aug 13, 2011 | 1996 Dodge Caravan

1 Answer

I need to replace the tensioner on my 96 mercury mystique and i need to know what to do

Hi, pick your engine from among the cases below. Use a wrench or 3/8 inch socket head to rotate the tensioner clockwise. While holding the tensioner, take the belt off the alternator pulley, then release the tension. Leave the belt on the rest of the pulleys. Remove the bolt holding the tensioner to the engine. Note the angle of the tensioner--there is usually some type of index pin to properly orient the tensioner angle on the engine. Replace with the new tensioner, ensuring the indexing pin is in it's hole and insert the bolt. Tighten the bolt well. Turn the tensioner clockwise again and put the belt back on the alternator pulley. Release the tensioner. Start the engine and observe the belt to insure it is properly driving the pulleys and is centered on each one. Please let me know if you have any questions, and thanks for using Fixya.


Fig. Fig. 11: Belt routing with and without A/C-2.0L engine


Fig. Fig. 12: Belt routing with A/C-2.5L engine


Fig. Fig. 13: Belt routing without A/C-2.5L engine

May 23, 2011 | 1996 Mercury Mystique

1 Answer

Where is the belt tension lever on a 1990 chevy corsica for installing an alternator

Your Corsica most likely has the 2.8 V-6...Look to the lower right side near the should see an arm with a pulley can use the socket end of your 3/8 drive socket wrench to release the belt tension, and remove the belt...the slot is near the middle of the tensioner arm...Hope this helps.

Mar 02, 2011 | Chevrolet Corsica Cars & Trucks

1 Answer

I need a diagram to see were my tension-er is

I don't have the figure for your car, but the below figure shows how to remove the A/C belt.
the other belts should have a simple slot in the bracket for adjusting. If you have more questions, let us know.

3.0L SOHC Diamante
  1. Disconnect the negative battery cable.
  2. Loosen the lockbolt on the face of the A/C tensioner pulley.
  3. Turn the adjusting bolt of the A/C tensioner pulley to loosen the tension of the A/C belt.
  4. Remove the A/C compressor belt.
  5. Loosen the locknut on the face of the power steering/alternator tensioner pulley.
  6. Turn the adjusting bolt of the tensioner pulley to loosen the tension of the belt.
  7. Remove the power steering/alternator belt.
To install:
  1. Install the power steering/alternator belt first and then the A/C compressor drive belt.
  2. Adjust the belts to the proper tension by turning the adjusting bolts and tighten pulley fixing nut/bolt.
  3. Tighten the mounting nut of the power steering/alternator tensioner pulley to 36 ft. lbs. (50 Nm).

NOTE The manufacturer does not provide a torque specification for the bolt that secures A/C tensioner pulley.
  1. Connect the negative battery cable.

Oct 06, 2010 | 1994 Mitsubishi Diamante

1 Answer

I'm replacing the drive belt "fan belt" on a 1995 chevy. corsica and need to adjust the tension

Apply tension to the belt until it is snug and has a live spring action when stuck with the hand dead center. For a more accurate deflection measure the distance from pulley to pulley and use 1/64th inch deflection per inch of belt length. For instance a 32" belt would require a deflection of 32/64" or 1/2". But saying all this I am confused. Your 1995 Corsica does not have a fan belt. The fan is electric. You car also has a serpentine belt which is self tensioning and not adjustable.

Oct 05, 2010 | 1995 Chevrolet Corsica

1 Answer

Toyota corolla 1996 alternator tensioner spec

The Drive Belt (used) should be between 60-100lbf. Check for wear and any cracks on the belt. If you have a new belt the tension will be higher, that is bewteen 100-150lbf. Use a belt tension checker to measure this. Adjust the tensioning bolt located beneath the alternator until the tension is met. Hope that help you out.

May 02, 2010 | 1996 Toyota Corolla

1 Answer

Dont know how to change the belt on an 88 corsica 2.0 there is not the usual tensioner

If there is no spring loaded tensioner then it is probably the alternator that has a slider you can adjust. To be sure grab the belt and pull on it as hard as possible. It may be possible that the tensioner has locked up. Ask your local GM dealer if they have a tensioner available for your car. Good luck Moe

Apr 24, 2009 | 1988 Chevrolet Corsica

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