Question about 1997 Dodge Grand Caravan

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My van is making a sweaking noise in the area of the belts and pulleys. i have replaced the tensioner assembly, belt, idler pulley, alternator and battery. whats the problem?

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Take a long pole as from a push broom and use the pole as a stethascope. place the pole to the power steering pump at a safe aera and place your ear to the other end of this pole.you will hear the churning of the bearing as the engine is running. do this to every part that runs off the belt. you will notice a big difference when you listen to all bearings. if all sound good as a normal churning noise you have a glaze of dried oil on your pulleys making the belt to sqeak

Posted on Feb 20, 2010

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93 Diamante making clanking sounds under the hood. From fairly quiet to fairly loud. Sounds like it's coming from the belt area, a/c ciompressor area of the car.


This could be caused by different things. It sounds like it may be your timing belt though. If you remove your drive belts (alternator, power steering and air conditioner belts), and then restart the vehicle, if the noise stops, then spin the pulleys you just removed the belts from, to see which one is making the noise. If the noise does not stop, then it is most likely the timing belt tensioner making all that noise and you will need to have the timing belt and associated parts, idler pulley/s, tensioner, water pump and seals replaced. Hope this helps. Have a nice day :O)

Mar 31, 2011 | 1993 Mitsubishi Diamante

2 Answers

Serpintine belt came off after a couple of days of a squeaky grinding noise from that area. no issues with power or electric or cooling before it came off. could it be more than just the belt


Hello bigfish.

We often see this on the Chrysler vans in the shop.
You will need to check all the pulleys and bearings that the belt runs on.
Alternator, AC compressor, tensioner pulley, idler pulley, power steering pump.
Also the tensioner has a heavy spring in it that keeps tension on the belt and pivots on an aluminum pin.
If it wears it go crooked and tilts pushing the belt off.
All these parts are available through your favorite auto parts store.
I would recommend a Goodyear Gatorback belt if you are replacing it, they seem to work the best.

If you would like further advise with this, please ask me in comments.
Thank you.
KL

Feb 20, 2011 | 2002 Chrysler Voyager

3 Answers

Why belt keeps shredding


usually due to a bad bearing, or from resistance due to a frozen or failing assemble, as in power steering, alternator, or an idler. The best way to determine is to remove the belt and check all pulleys for play and resistance.

Feb 10, 2011 | 2000 Chevrolet Venture

3 Answers

When I raise the hood and with motor running looking to my left there is a belt running and a squeaking noise at idle coming from that area. The van is front wheel drive so motor sits in there sideways.


Has it just started with cold weather? Does it squeal at first then as the engine is revved, stop squealing.

If so its probably your alternator belt has worked loose and needs tightening. I'd check this out first, if you've not done it before ask a friend with some know how for guidance. But as a guide, there should be about an inch of give when flexed on the longest run between 2 pulleys, if more then probably needs tightening. If more than a couple of years old, replace with a new one.

If it still squeals after tightening/replacing, you could have a faulty water pump bearing or pulley bearing. Either would require replacement to pre-empt catastrophic failure and resultant engine damage.

Dec 20, 2010 | 1998 Oldsmobile Silhouette

2 Answers

Where is the tension pully on a 1993 ford taurus 3.0 motor


there is no spring tensioner on some of the 3.0 engines. See instructions below. I will paste a pic on the version that DOES have a tensioner at the bottom of this post.

3.0L Engine-Except SHO
ALTERNATOR BELT WITHOUT AUTOMATIC TENSIONER

  1. Loosen the adjusting arm and pivot bolts.
  2. Turn the alternator belt adjusting screw counterclockwise until the old belt can be removed.
  3. Remove the belt.

To install:
  1. Install the new belt over the pulleys. Check that all the V-grooves make proper contact with the pulleys.
  2. Adjust the belt tension, then tighten the adjusting arm and pivot bolts.

3.0L SHO Engine
ALTERNATOR BELT
See Figure 2
  1. Loosen the nut in the center of the idler pulley.
  2. Loosen the idler adjusting screw until the old belt can be removed, then remove the belt.

To install:
  1. Install the new belt over the pulleys in proper contact with the pulleys.
  2. Adjust the new belt to specifications as follows: Turn the idler pulley nut to the right to tighten the belt to a specification of 220-265 lbs. (980-1180 N). Torque the idler pulley nut to 25-37 ft. lbs. (34-50 Nm).

POWER STEERING AND AIR CONDITIONING BELT
See Figure 2
  1. Remove the alternator belt.
  2. Loosen the nut on the tensioner pulley.
  3. Turn the belt adjusting screw on the tensioner counterclockwise until the belt can be removed, then remove the belt.

To install:
  1. Position the new belt over the proper pulleys, making sure the V-grooves are properly seated.
  2. Install the alternator belt.
  3. Adjust the power steering and air conditioning belt to a specification of 154-198 lbs. (690-980 N) with a belt tension gauge.
  4. Adjust the alternator belt.
3.0L Engine (Except SHO) and 3.8L Engine
VEHICLES THROUGH 1993 WITH AUTOMATIC TENSIONER

See Figures 4 and 5
  1. Insert a 1 / 2 in. breaker bar into the square hole in the tensioner.

On the 3.8L engine, the tensioner has a1/2in. square hole cast into the rear of the tension arm directly behind the pulley. On the 3.0L engine, the1/2in. square hole is cast into the spring housing on the front of the tensioner.
  1. Rotate the tensioner clockwise and remove the belt.

e31142e.gif

Fig. Fig. 5: 3.8L belt schematic-1993 shown


To install:

  1. Install the drive belt over all the pulleys, except for the alternator pulley on the 3.0L engine for vehicles through 1992, or the idler pulley for 1993 3.0L vehicles.
  2. Rotate tensioner counterclockwise and install the belt over the alternator pulley. Make sure that all the V-grooves make proper contact with the pulleys.
  3. On the 3.0L engine, install the alternator belt for vehicles through 1992.
  4. For 1993 3.0L vehicles, install the drive belt over the idler pulley.

Oct 01, 2010 | 1993 Ford Taurus

1 Answer

How to tighten belt on 2004 nissan quest


Best to remove the front passenger side wheel. Then snap out the clips that are holding the plastic cover towards the front. Now it will expose the belt area. Loosen the locking nut of the tensioner(idler) pulley located to the right of the Crankshaft Pulley. Crankshaft pulley is the one that handles both belts (alternator and the power sterring pump). Right to that next to it, upwards is the idler pulley. You will find the alternator pulley to the right of that further up. Open the hood of the van and locate the adjusting nut behind the alternator on the idler pulley from top and loosen that as well. Once both these are loosened, belt will loosen and will be easy to remove. Now replace it with the new belt the same way it was wrapped. Go over the crankshaft pulley; under the A/C compressor pulley; over the alternator pulley; under the idler pulley. tighten the adjusting nut from the top through the hood until the play on the belt (when pressed in) is less than 1 inch. Now lock the tensioner pulley by tightening the locking nut. Start and run the car for 15 mins to see if everything is ok.

Jul 28, 2010 | 2004 Nissan Quest

2 Answers

High pitched howling and screeching (yes two different noises). The howling appears to happen when the air conditioning compressor pulley engages. The screeching, my guess would be from the belt. Any...


When the AC compressor kicks on, an electrical load is placed on the alternator and the drive belt that turns the alternator pulley, if not tight enough, can cause the belt to squeal. Replacing the belt should help with that noise if the belt is stretched from wear. The screeching noise can be from a bad idler pulley, a bad belt tensioner pulley or a bad alternator pulley or a failing clutch on a very old ac compressor and rarely a water pump pulley. To check pulleys remove the drive belt and turn them individually to see if they can be tilted up down or sideways with play in the "bearing" of the pulley. Also, you may wish to visually inspect the clutch on the ac and look for melted black rubber around the bolts that secure the clutch to the compressor (stinks,smokes and melts these rubber areas if ac compressor clutch fails).

Jun 06, 2010 | 1996 Saturn SL

1 Answer

Cant find 97 ford taurus serpentine belt diagram


Drive Belt Replacement ani_caut.gif WARNING: IF EQUIPPED, DO NOT ALLOW DRIVE BELT TENSIONER (6B209) TO SNAP BACK AS DAMAGE TO DRIVE BELT TENSIONER OR PERSONAL INJURY COULD RESULT.
NOTE: Minor cracks in the V-grooved portion of the serpentine drive belt (8620) are considered normal and acceptable. If the drive belt has chunks missing from the ribs, the drive belt should be replaced.

NOTE: Conditions requiring drive belt replacement are excessive wear, rib chunk-out, severe glazing, frayed cords or other conditions. Replace any drive belt exhibiting any of these conditions.

NOTE: When installing drive belt on pulley, make sure that all V-grooves make proper contact with pulleys.



q1834c.gif

Drive Belt, Serpentine—Except SHO
Removal
  1. ani_caut.gif WARNING: USE CAUTION WHEN REMOVING OR INSTALLING DRIVE BELT TO MAKE SURE THAT TOOL DOES NOT SLIP FROM DRIVE BELT TENSIONER OR PERSONAL INJURY AND/OR DAMAGE TO DRIVE BELT TENSIONER AND DRIVE BELT MAY OCCUR.
    Using a 15 mm socket or wrench on bolt attaching drive belt tensioner pulley, rotate drive belt tensioner clockwise on 3.0L (2V) and 3.0L (2V) FF, rotate the drive belt tensioner counter clockwise on 3.0L (4V) to remove drive belt from pulleys. Make sure spring keeper engages into slot.


    Drive Belt Tensioner—3.0L (4V)


    q3759a.gif

Installation
  1. Install drive belt over all pulleys (except drive belt tensioner).
  1. Rotate drive belt tensioner as described under the removal procedure and install drive belt over drive belt tensioner pulley. Make sure that all V-grooves make proper contact with pulleys. Make sure spring keeper releases or improper belt tension will occur.


    Pulley, Routing—Accessory Drive Belt 3.0L (2V)/3.0L (2V) FF Engine


    q3244d.gif


    Item Part Number Description 1 10300 Generator 2 6C348 Idler Pulley 3 3A674 Power Steering Pump 4 19703 A/C Compressor 5 6312 Crankshaft Pulley 6 6B209 Drive Belt Tensioner 7 8501 Water Pump 8 8620 Drive Belt

    Pulley, Routing—Accessory Drive Belt 3.0L (4V)


    q3735a.gif


    Item Part Number Description 1 3A674 Power Steering Pump 2 8501 Water Pump 3 19703 A/C Compressor 4 8620 Drive Belt 5 6312 Crankshaft Pulley 6 6B209 Drive Belt Tensioner 7 10300 Generator
3.4L SHO Engine
Removal
  1. Remove the right front wheel and tire assembly. For additional information, refer to Section 04-04.
  1. Remove the inner fender splash shield.
  1. Remove the alternator shield.
  1. ani_caut.gif WARNING: USE CAUTION WHEN REMOVING OR INSTALLING DRIVE BELT TO MAKE SURE WRENCH DOES NOT SLIP FROMDRIVE BELT TENSIONER OR POSSIBLE PERSONAL INJURY AND/OR DAMAGE TO DRIVE BELT TENSIONER AND DRIVE BELT MAY OCCUR.
    Using a 3/8 inch ratchet on the lifting lug, rotate drive belt tensioner counterclockwise (upward) and engage spring keeper. Remove drive belt from drive belt tensioner.
  1. Lower vehicle.
  1. Remove drive belt.
Installation
  1. Install drive belt over all pulleys (except drive belt tensioner ).
  1. Raise vehicle on hoist.
  1. Rotate drive belt tensioner , as described under Removal procedure and install drive belt over drive belt tensioner pulley. Make sure all V-grooves make proper contact with pulleys. Make sure the spring keeper is released or improper belt tension will occur.
  1. Install the alternator shield.
  1. Install the inner fender splash shield.
  1. Install the wheel and tire assembly. For additional information, refer to Section 04-04.


    Pulley Routing—Accessory Drive Belt, 3.4L SHO


    q3736a.gif


    Item Part Number Description 1 3A733 Power Steering Pump Pulley 2 6B217 (RH) Idler Pulley 3 19703 A/C Compressor 4 8620 Drive Belt 5 6312 Crankshaft Pulley 6 6B209 Drive Belt Tensioner 7 10346 Generator 8 6B217 (LH) Idler Pulley 9 6B217 (Center) Idler Pulley
Drive Belt, Water Pump
Removal
  1. NOTE: If removal of the water pump drive pulley is required, refer to Section 03-03.

    Rotate drive belt tensioner clockwise by hand and remove drive belt from drive belt tensioner .
  1. Remove drive belt from water pump drive pulley and water pump pulley.
Installation
  1. Position drive belt onto water pump drive pulley and water pump pulley.
  1. Rotate drive belt tensioner clockwise by hand and install drive belt over top of drive belt tensioner pulley. Make sure all V-grooves make proper contact with pulleys.


    Pulley Routing—Water Pump Drive Belt


    q3737a.gif


    Item Part Number Description 1 6B209 Drive Belt Tensioner 2 6A312 Crankshaft Pulley 3 8501 Water Pump 4 8620 Drive Belt

Jun 01, 2009 | 1997 Ford Taurus

2 Answers

Serpentine belt installation


Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} 1 To replace a worn belt, locate the idler or generator pulley.
2 Loosen the hold-down fastener for the idler or generator pulley.
3 Pry the idler or generator pulley inward to release the belt tension and remove the belt.
4 Match the old belt up for size with the new replacement belt.
5 Observe the belt routing diagram in the engine compartment.
6 Install the new belt over each of the drive pulleys. Often the manufacturer recommends a sequence for feeding the belt around the pulleys.
7 Pry out the idler or generator pulley to put tension on the belt.
8 Pry out the idler or generator pulley to put tension on the belt.
9 Install the belt squarely in the grooves of each pulley.
10 Before adjusting belt tension, check for proper pulley alignment. This is especially critical with serpentine belts. Measure the belt deflection in its longest span. If a belt tension gauge is available, use it and compare the tension to specifications.
”If a belt is too tight, wear to bearings for the water pump, alternator, and engine crankshaft can result.”
11 Pry the idler or generator pulley to adjust the belt to specifications.
12 Tighten the idler or generator pulley fastener.
13 Start the engine and check the belt for proper operation.

Jan 10, 2009 | 1998 Ford Escort

6 Answers

02 altima belt noise


OK, went through the exact same thing this week. Put on a new belt, checked for proper seating, etc, etc. and that wasn't it. Read all through this site and others and it comes down to one of two things, the tension pulley assembly or the compressor itself. Seeing as compressors ran about $300 or so and the pully assembly is less than $50 and takes about 45 min to an hour to replace, I did that first. And for me, that was it. Tip for replacing the pulley assembly? Have a wide variety of sockets (depth) and extensions.

Jul 12, 2008 | 2002 Nissan Altima

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