2001 chevy tracker serpetine belt slows down when under load, driving. what could cause that? ive replaced water pump, altenator, and tensioner but it still dies when driving. idling its fine. and when you turn on a/c the serp belt almost stops
Re: 2001 chevy tracker serpetine belt slows down when...
This is caused by one of the things you already replaced , including the A/C compressor and power steering pump. Or it could be from a wrong size or over stretched belt.
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Their is always a decal under the hood that shows the correct routing .However you can always ask the dealer they will give you a print out or you can find it on line .
The vehicle has a belt tensioner its spring loaded you need to compress the spring then slide the belt over the pulley.
On most Chevy's on the front of the tensioner their will be a square hole a 3/8 in socket extention will fit into it put it on a socket wrench and push it toward the center of the engine this will allow you to slip the belt the tensioner pulley ..
AND FOR THE FIX IT TEAM TENSIONER IS THE CORRECT SPELLING OF TENSIONER LOOK IT UP
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www.youtube.com/watch?v=sXLTZzEZdSU
Oct 28, 2014 - Uploaded by Deo Ole
How-To Replace The Serpentine Belt On A Chevy Tracker ...2001 Chevy Tracker V6 2.5L Head Instal and Timing Chain Instal - Duration: ... XL 7 2.7L Air conditioning compressor removal and smaller belt installed - Duration:
Hello, There are several things which can do this. First, cut off the A/C and then rev the engine as before. If the chirping goes away, the noise was either the A/C clutch or the Serpetine belt slipping with the load. For the A/C clutch, you can try a little rust removal between the drive plate and the pulley with the engine OFF. You can use sandpaper and try to knock off the rust. Then put a little oil on to condition the metal. Then try it with the A/C on.
If the chirp is still there, you have to check bearings on the Pulley tensioner, Alternator, Water pump, and Power steering. It is possible for the Pulley tensioner to have a weak spring or you may have a stretched Serpetine belt. This condition would cause the belt to skip under a load. If the belt is checked with small cracks, just replace the belt. Take off the tensioner and compare the spring tension and wobble in the pulley to a new unit at the Autoparts store.
If still no success, the chirp could be a water pump bearing. The old way off using a piece of wood on the housing of a part while the engine is running is dangerous, but effective. I believe you should have already found your problem before this measure is needed. Dry Serpetine belts make quite a lot of noise and is probably your problem.
I would suspect the altenator, A/C pulley, or the belt. when you checked the altenator and a/c they have to turn smoothly with no play or roughness. If these checked out fine then I would check the belt, they do stretch.
GM use a particular item on one of the idlers
there will be a 1/2" square hole in the center of it
use a strong bar and lift the pulley up against a spring
install the new belt and when properly installed let the pulley back onto the belt
yes you can move it to the other side of the street. Just dont run it more than a few minutes because without the belt the water pump won't turn. Just be aware that the power steering wont work either in this process so it will be difficult to steer.
Belt dressing isn't advised for vechiles with serpatine belts. they are ment for the old V style belts. Use brake cleaner, carb cleaner to clean off the belt. Then recheck to see if everything is routed the correct way. Check the pulley on the new altenator. Is it the same size as the old one? If not, repalce with old pulley. These three items are the usual cause of poor tension. The tensionor could be going bad too but that isn't a very likely occurance.
OVER THE CRANK PULLEY BETWEEN TENSIONER AND WATER PUMP DOWN TO PWR STEER PUMP PULL ALL SLACK TO THE ALT . PULL TENSIONER TOWARDS FRONT OF CAR AND INSTALL TO ALT.
looking down onto engine feed belt down to your left around crank pulley, route up putting back side of belt around w/pump then continue rest of belt around outside of remanning acc. leaving top idler last. put 3/8 drive ratchet into tensioner and rotate down slipping belt over idler
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