Question about 1999 Dodge Intrepid

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Cannot seem to adjust the tension on the Idler pulley. When I put the pulley on the bolt seems to be to long, and I cannot tighten it down

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  • Dodge Master
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Have you got your bolts mixed up??

Posted on Oct 09, 2010

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Tightening down the tensioner bolt keeps moving making it hard for me to tighten it down on a nissan maxima 2003


what are you referring to
if it is a belt idler tensioner , you have to loosen of the bolt for the pulley first , make the tension adjustment then re-tension that nut

Oct 25, 2016 | Cars & Trucks

1 Answer

I replaced the idler pulley in my car,The bolt that secures the pulley to the tenioner won't lock but tightens.I can get no leverage to get belt on? Any suggestions with out replacing tensioner arm


you don't lever belts at all as it breaks the bindings in the belt
the nut on the shaft that holds the pulley on has to be loosened and then the small bolt at the back of the tensioner mount will move the pulley shaft up or down to adjust the belt tension
so move the pulley shaft to the point where the belt just slips into the pulley groove and then tighten the bolt up until tension is on the belt
tighten up the nut holding the pulley on
If you have the spacer s in the right position then that nut will tighten up securely and retain the tension on the belt

Oct 10, 2015 | Cars & Trucks

1 Answer

Tensioner location on 97 chrysler sebring 2.5L 6 cyl


The tensioner pulley looks like an idler pulley, only with an adjusting bolt protruding out about 2 inches from just behind the pulley. Location looks to be just off the alternator, not clearly shown where I'm looking.
To loosen belt, you loosen the tensioner pulley nut, and then turn the adjusting bolt in to relieve tension. When putting the belt back on, adjust tension with adjustment bolt, then tighten the pulley nut. This is for Sebring Coupe, Convertible is different. Good luck.

Jun 22, 2012 | Chrysler Sebring Cars & Trucks

1 Answer

Fan belt diagram


1989 Belts

Print


INSPECTION

All Models
Belt tension is very important, as a belt that is too tight will put too much stress on the bearings of the components it drives, causing them to wear out prematurely. A belt that is too loose will slip, causing (1) the belt to wear out quickly due to friction heat, and (2) inefficient alternator, air pump, cooling fan or air conditioner operation because much of the turning power supplied by the main drive pulley is lost.
The belts should be inspected and/or adjusted at 2,000 miles (3,221 km) and then every 4,000 miles (6,441 km). First, make sure that the belt is properly positioned in the pulley. Check the pulleys for damage. Inspect the belts for cracks and signs of fraying. These usually develop on the inner surface and extend into the backing or outer surface of the belt. Check also for glazing, a completely smooth appearance which indicates slippage. A belt that is in good shape will have a slightly grainy appearance like cloth. Replace belts that show cracks or glazing.
Check belt tension. Apply pressure with your thumb at the mid-point between two pulleys, and the belt should stretch or deflect about 1 / 4 - 1 / 2 in. (6-13mm). If the belt is too tight or too loose, adjust/replace as necessary.


ADJUSTING

Except RX-7
See Figures 1, 2 and 3
To adjust belts, first locate the mounting bolt on the air pump or alternator (each has its own belt and adjusts to permit that belt to be tensioned correctly). This bolt attaches the unit to the engine and has a nut on the end. Put a wrench on either end and loosen the bolt until there is practically no tension on it. Then, loosen the adjusting bolt, which is located on the opposite side of the unit and which passes through a slot. Pull the alternator or air pump away from the engine and tighten the adjusting bolt just enough to hold the unit while you check tension. Repeat the adjustment procedure until the belt deflects the proper amount, then fully tighten the adjusting and mounting bolts. Avoid too much belt tension or overtightening of bolts. A new belt should be tensioned just slightly more (about 0.4 in. or 10mm deflection) and checked after several hundred miles of operation to make sure that tension is still adequate. (Tension is lost very rapidly until a new belt is broken in.)


0900c1528004e5dd.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: Some engines utilize an idler pulley with a locknut at its center


0900c1528004e5de.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: After loosening the idler adjuster locknut, turn the adjusting bolt clockwise to increase belt tension or counterclockwise to decrease it


0900c1528004e5df.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: On some GLC engines equipped with power steering, the pump pulley uses a slotted adjusting bar, adjusting bolt and locknut to adjust belt tension
Late model GLCs, 323s, 626s, MX-6s and 929s may use an adjusting bolt on either the idler pulley (a pulley which is not directly associated with any of the accessories) or on the power steering pump itself. This bolt makes adjustment much easier because you don't have to hold the accessory under a great deal of tension while tightening the mounting bolts.
On models where the idler pulley has a locknut at its center, simply loosen the locknut, then turn the adjusting bolt clockwise to increase belt tension or counterclockwise to decrease it or remove the belt. Do not forget to retighten the locknut when tension is correct, or vibration may cause it to fall off. Recheck the tension with the locknut tightened and readjust if necessary.
To adjust the power steering pump pulley on the GLC, loosen the slotted adjusting bar bolt, the mounting bolt across from it, and the locknut at the bottom of the adjusting bolt. Turn the adjusting bolt counterclockwise to remove the belt or reduce tension, and clockwise to increase it. When tension is correct, tighten the adjusting bolt locknut, adjusting bar bolt, and pump mounting bolt.
On 626, MX-6 and 929 models with a 4-ridge or 5-ridge ribbed type V-belt driving both the air conditioner and power steering pump, belt tension is much greater. With a used belt, deflection should only be about 1 / 4 in. (6.35mm).
RX-7
See Figures 4, 5 and 6
The RX-7 may be equipped with as many as three or four separate drive belts. The belts are arranged at the front of the engine and drive the cooling fan/water pump, alternator, power steering pump, emission control air pump and air conditioner compressor (if so equipped).


0900c1528004e5e0.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 4: Checking belt tension on 1979-85 RX-7
Check the tension of each belt at the arrows numbered 1, 2, 3 and 4 (depending on year) shown in the illustration. Press on the belt with your thumb using moderate pressure (about 22 lbs.). The belts should give or deflect the amounts shown in the chart.


0900c1528004e5e1.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 5: Checking belt tension on 1986-89 RX-7


0900c1528004e5e2.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 6: RX-7 belt deflection limits
Use the following appropriate procedure and illustration to make drive belt adjustment(s).
ALTERNATOR AND AIR PUMP
See Figure 7

  1. Slightly loosen the stationary pivot bolt on the alternator or air pump.
  2. Loosen the adjusting bolt.
  3. Using a piece of wood (tool handle, etc.) as a prybar, move the alternator or air pump outward or inward until the proper deflection is obtained.



0900c1528004e5e3.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 7: Adjusting alternator drive belt tension on 1986-89 RX-7
When prying on the alternator or air pump, make sure the prybar is anchored against the engine case and not against a component (distributor cap, etc.) which could break.

  1. Tighten the adjusting bolt. Remove the prybar and tighten the pivot bolt.

AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP
See Figures 8 and 9
  1. Loosen the locknut on the idler pulley, if so equipped.
  2. Turn the adjusting bolt until the proper tension is reached.



0900c1528004e5e4.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 8: Adjusting air conditioning compressor drive belt tension on 1986-89 RX-7

  1. Tighten the locknut and recheck the belt tension.



0900c1528004e5e5.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 9: Adjusting power steering pump drive belt tension on 1986-89 RX-7


REMOVAL & INSTALLATION

All Models

  1. Loosen the accessory being driven and move it on its pivot point to free the belt.
  2. Remove the belt. If an idler pulley is used, it is often only necessary to loosen the idler pulley to provide enough slack to remove the belt.

To install:
  1. After the new belt is in place and properly tensioned, start the engine and allow it to run for about five minutes to seat the new belt.
  2. Stop the engine and recheck the belt tension. Adjust as necessary.

On engines with many driven accessories, other belts may have to be removed to access the one being replaced.

May 27, 2012 | 1989 Mazda 323

1 Answer

I'm having problems changing Alternayer belt? Is there a trick to getting to the bottom front bolt the alternater?


I'm not sure if this is right but it worked for me. Unloosen the bolt in the center of the idler pulley. you will need to get to it from under car. once loose it seems to slide to loosen belt. Put tension on idler pulley (to tighten belt) when tightening center bolt. Hope it works for you

Jun 04, 2011 | 1996 Nissan Sentra

1 Answer

How do i set the timing belt on a 1997 cadillac catera?the betl did not break but how do i make sure the belt did not move a couple of teeth.


Hi, there should be marks on the belt itslf that align with hatch marks on the timing gears. Below are the instructions for installation. From these, you should be able to verify that the belt is in time. There are also some diagrams here: http://www.2carpros.com/diagrams/cadillac/catera/1997


To install:
  1. Install the timing belt.
    1. Start at the crankshaft pulley.
    2. Install the timing belt with a double dash (TDC) mark on the belt aligned with the marks on the oil pump and belt drive gear.
    3. Pinch the belt with special tool J 42069-30 to prevent the splines from jumping.

  2. Route the timing belt through the idler pulley for camshafts 3 & 4 then route the timing belt through the camshaft gears 3 & 4.
    1. Ensure the dash marks on the timing belt align with marks on the camshaft gears and the notches on the rear timing belt cover.
    2. If necessary, loosen timing belt idler pulley or move the cam gears slightly, with J 42069-1 and 2 still in place, until the timing belt can be installed.
    3. Tighten the idler pulley locking bolt until snug. The idler pulley bolt will be tightened to specifications after the final adjustments are made.




NOTE Timing belt deflection between the camshaft gears number 4 and the idler pulley for camshafts 3 & 4, must be no more than 0.4 inch (1 CM.).

  1. If necessary, adjust the timing belt deflection by turning the timing bolt idler pulley eccentric, for camshafts 3 & 4, counter-clockwise with the special tool J 42069-40, or equivalent.

  1. Route the timing belt through the timing belt idler pulley for camshafts 1 & 2 then route the timing belt through camshaft gears 1 & 2.
    1. Ensure the dash marks on the timing belt align with the marks on the camshaft gears and the notches on the rear timing belt cover.
    2. If necessary, loosen the timing belt idler pulley or move the cam gear slightly, with J 42069-1 and 2 still in place, until the timing belt can be installed.
    3. Apply sufficient tension to the timing belt to prevent it from slipping off the gears by turning the timing belt idler pulley eccentric for camshafts 1 & 2 counter-clockwise with special tool J 42069-40 or equivalent.
    4. Tighten the idler pulley locking bolt until snug. Idler pulley bolt will be tightened to specifications after final adjustments are made.

  2. Route the timing belt through the timing belt tensioner.
  3. Apply initial tension to the timing belt by turning tensioner eccentric counter-clockwise, with a 5 mm hex wrench, until marks are set.
    1. Tighten the belt tensioner-locking nut to 15 ft. lbs. (20 Nm).

  4. Adjust the timing belt.
    1. The timing belt must be properly adjusted or engine damage may occur. Do not continue with the engine assembly procedure until the timing belt is properly adjusted.

  5. Install the timing belt cover. Tighten the timing belt cover bolts to 71 inch lbs. (8 Nm).
  6. Install the power steering pump pulley and bolts. Install the water pump pulley and bolts.
    1. Tighten the power steering pump pulley bolts and the water pump pulley bolts after the serpentine drive belt is installed.

Mar 04, 2011 | 1997 Cadillac Catera

1 Answer

How to put on serpentine belt


Hi,

The tools required are:
1/2-inch drive ratchet
2 - 1/2-inch drive 8-inch extensions
1/2-inch drive socket set

Please follow these steps to replace the serpentine belt on your 1999 Chrysler 300M:

1. Open the hood and prop it in place.

2. Locate the serpentine belt adjustable idler pulley on the front of the engine. This adjustable idler pulley will be closest to the top of the engine. Position a metric socket onto the ratchet and loosen the bolt in the center of the serpentine belt idler pulley.

3. Now please loosen the push bolt on the side of the idler pulley. It is a 15mm size and the push bolt on the side of the tensioner is 13mm. Pull off the old belt.

4. Loosen the tensioner pulley for the AC belt. The same steps need to be followed for this as well.

5. Next slip the AC belt on the back of the crank pulley and route it as per the diagram under the hood.

6. Now you need to tighten up the idler pully and the push bolt until the belt play is within factory specifications, then tighten the hub bolt in the center of the pulley as well.

7. The same thing needs to be done for the serpentine belt as well. Just ensure that you tighten up the bolts and have the specified play in the belt. Check the belt tension by pushing inward on the belt.

8. Crank the vehicle for about 15-20 seconds. Then turn it off and again check the tension in the belt. Adjust as necessary. You need to have about half an inch of play in the belt.

If this doesn't work for you or in case you need any further assistance, please comment and let me know, and I will be happy to assist you to further resolve your issue.

I will appreciate your feedback and positive rating for this solution.
Thank you.

Jan 13, 2011 | 1999 Chrysler 300M

2 Answers

Looking for a belt tensioner for a 1997 Jeep Cherokee Country. Where would I look? Perhaps I am not calling it by its correct name as no one can even guess what I am looking for...Thanks!


Do you mean the tensioner pulley?

Then, I would look for something with a 1/2" square hole in a pivoting spring loaded pulley that is designed to put 'tension' on the serpentine belt.

Depending on the engine, it can be located in various positions.

---
REMOVAL & INSTALLATION - 8 cylinder engine Alternator Belt
  1. Loosen the alternator mounting and adjusting arm bolts.
  2. Pivot the alternator inward and remove the belt from the vehicle. To install:
  3. Install a new belt.
  4. Holding the alternator in place to maintain tension, tighten the alternator mounting and adjusting arm bolts.
Power Steering Belt
  1. Loosen the adjusting and mounting bolts on the front face of the steering pump cover plate (hub side).
  2. Pivot the power steering pump inward and remove the drive belt. To install:
  3. Install the drive belt.
  4. Holding the pump in place, tighten the adjusting arm bolt and the mounting bolts.
Air Conditioning Compressor Belt
  1. If the engine is equipped with an idler pulley, loosen the idler pulley adjusting bolt and remove the belt.
  2. If not equipped with an idler pulley, loosen the adjusting and mounting bolts.
  3. Pivot the air conditioning compressor inward and remove the drive belt.
  4. Installation is the reverse of removal.
Air Pump Drive Belt
  1. Loosen the adjusting arm bolt slightly. If necessary, also loosen the mounting bolt slightly and remove the drive belt. To install:
  2. Holding the pump in place, install the drive belt, then tighten the adjusting arm bolt and the mounting bolt.

Oct 17, 2010 | 1997 Jeep Grand Cherokee

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'm working on Serpentine belt for a 2006 Nissan Sentra 1.8 with A/C. I am turning the idler pulley clockwise to release tension, but it doesn't seem to be working... I can feel the center idler bolt...


The idler tensioner might be bad. Can you get to move counter-clockwise at all either? The tensioner has a large heavy spring mounted in a pot-metal housing, so tensioners often go bad. Might be an idea to remove the tensioner and take a look at it.

Mar 13, 2010 | Nissan Sentra Cars & Trucks

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