Question about Chevrolet C1500

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I am replacing the alternator on my 1989 C1500 w/ AC. How do I loosen the idler/belt tensioner to replace the belt?

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  • Chevrolet Master
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TAKE A WRENCH TURN TENSIONER TO THE LEFT.

Posted on Oct 05, 2010

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What do i do to get new belt on


FOR THE 3.0L ENGINE IF YOU REPLACE AC BELT LOOSEN TOP IDLER PULLEY CENTER BOLT. IF YOU REPLACING ALTERNATOR AND WATER PUMP BELT LOOSEN ALTERNATOR ADJUSTMENT BOLT AND PIVOT BOLT.IF REPLACING POWER STEERING PUMP BELT LOOSEN POWER STEERING PUMP ADJUSTMENT BOLT AND MOUNTING BOLTS.****** FOR THE 2.4L ENGINE TO REMOVE POWER STEERING BELT LOOSEN TOP IDLER PULLEY.FOR ALTERNATOR AND WATER PUMP BELT LOOSEN ALTERNATOR ADJUSTER BOLT, PIVOT AND MOUNTING BOLTS.FOR AC COMPRESSOR LOOSEN LOWER IDLER PULLEY.

Oct 07, 2010 | 1996 Nissan Pickup

1 Answer

How to change alternator belt


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alternator and air conditioning compressor
  1. Disconnect the negative battery cable.
  2. Loosen the idler pulley bolt.


The replacement of the inner belt on multi-belted engines may require the removal of the outer belts.
To replace a drive belt, loosen the adjusting and mounting bolts of the component which the belt is driving. Move the component inward to relieve the tension on the drive belt.
Slip the belt off the component pulley and match the new belt with the old belt for length and width. The old belt will be slightly longer. After a new belt is installed correctly, adjust the tension.
  1. Turn the adjustment bolt at the top of the idler pulley bracket. Clockwise rotation will tighten the belt; counterclockwise will loosen it.
  2. Keep the idler pulley bolt snug (but not tight) while adjusting belt tension. The adjustment bolt should turn with moderate force.

After adjustment is satisfactory, tighten the idler pulley bolt, and then tighten the adjustment bolt.


Reconnect the negative battery cable.

When replacing more than 1 belt, it is a good idea to make note or mark what belt goes around what pulley; this will make installation easier if you mix up the belts.

Sep 25, 2010 | 1997 Nissan Maxima

2 Answers

I have a 2003 rav4 v4 and I'm replacing the serpentine belt. What do I loosen to remove the old belt and install new?


Look for a tensioner pulley. It's spring loaded to maintain tension on the belt. It's a pulley that does not spin a device like alternator, power steering pump or AC compressor. If you put a wrench on it and push it one way or another you can overcome the spring tension and the belt will just pop off. Check the belt routing diagram under the hood when you reinstall a new belt. It should identify the tensioner pulley, sometimes known as an idler pulley.

Apr 10, 2010 | 2003 Toyota RAV4

1 Answer

Belt seems too short,already loosened alternator as much as possi


there is a bolt attached to the idler arm, if you get the right size socket and a good wrench, you have to pull the idler arm. it will pull the entire tensioner and the belt will be loose

Jun 19, 2009 | 2001 Toyota Echo

2 Answers

How do I release the tension in the serpentine belt?


there is an 8mm bolt right under the alternator. loosen that up then loosen the bolt on the idler pulley and itll come right off

Jun 14, 2009 | 1996 Nissan Sentra

2 Answers

AC belt on 1999 Chrysler 300M


When you replace the AC belt you really should replace the serpentine belt as well, since you will have to take it off already. If you don't do it now it is inevitable that you will have to replace it in like 3 weeks anyway : )

You need to first remove the serpentine belt by loosening the nut in the center of the idler pulley. After that you will need to loosen the push bolt on the side of the idler pulley. The hub bolt is a 15mm size and the push bolt on the side of the tensioner is a 13mm I think. After you loosen it sufficiently, you will need to pull off the old belt.

Next you will need to loosen the tensioner pulley for the AC belt as well. It is the same process. The main issue is space. You will most likely need to raise your car to get at the right angles to loosen these pulleys.

Once you loosen the idler pulley in the same manner as you loosened the other, you can slip the AC belt onto the back of the crank pulley and route it as the diagram under your hood instructs you. Next tighten up the idler pully in the opposite way as you loosend it...tighten up the push bolt until the belt play is within factory specifications, then tighten the hub bolt in the center of the pulley. Do the same for the serpentine belt and you should be up and running in no time. I just performed these tasks on my 2000 300m and I wish someone would have told me this before I started my project. Hope this helps, Good Luck!

Mar 22, 2009 | 1999 Chrysler 300M

2 Answers

Replacing the alternator belt on 2001 kia spectra


Then you don't take anything off. There will be a spring loaded idler that tensions the serpentine belt. Take a socket or long 12 point wrench and attach to the center bolt of the tensioner, then rotate the idler wheel away from the belt, take the belt off. Slowly release the spring tension of the idler.
The 2nd belt should be set up the same way.

Jan 23, 2009 | 2001 Kia Spectra

1 Answer

Trying to install a new belt on a k1500 truck


the idler pulley is located front center just lower than engine blocks top..usually a diagram is located on radiator/fan shroud.....relieve tension to belt by torquing idler pulley away from belt and remove/replace with nwe belt then add tension and slide belt over b4 releasing pulley

Jan 13, 2009 | 1995 Chevrolet C1500

1 Answer

I need to know the steps for uninstalling, and reinstalling the alternator on a 1989 Volvo 240 DL.


Steps

1. Disconnect the battery
2 Loosen botls so you can remove the drive belt to alternator.
3. If it has a serpertine belt, then pry with proper tool on the tensioner to remove the belt.
4. Disconnect harness to alternator and ground wire if any and filter condenser if any.
5. Loosen bolts to alternator and remove alternator.
6. If AC equipped, not knowing your belt configuration would require to loosen the AC Belt also, depending if your alternator belts is the first one near the engine, then all belts have to be loosen to remove it. unless #3 applies.
Reverse the steps to put it back on.

Dec 26, 2008 | 1989 Volvo 240

1 Answer

Instructions


Just did mine today.....Jack up the front as high as possible, remove front passenger wheel, put jackstands under car so it doesn't come down on you, remove the plastic inside fender well by taking out the 2 bolts and 3 plastic toggles, you need to remove the alternator belt to get to the power steering belt so loosen the center nut on the idler pulley/tensioner and then loosen the idler using the bottom nut/bolt to take the tension off the belt, remove the alternator belt first drawing a picture of how the belt is routed on all the pulleys for reassembly. Now loosen the 2 face nuts/bolts on the power steering belt idler pulley/tensioner and then use the nut/bolt on it's bottom to take the tesion off the belt and then remove the belt. Reinstall the belt and reverse everything to get it back together. Put on a new alternator belt on while your at it.

Jul 22, 2008 | 2001 Mitsubishi Diamante

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