Question about 1996 Jeep Grand Cherokee

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Engine accessory idler pulley. What size bolt does it take?

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I believe its a 1/4th inch with and 8 head

Posted on Nov 18, 2010

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Broken idler pulley bolt 1999 honda cr-v


Drill the bolt out with the appoint size bit and use an ease out to extract it. Is the bolt broken flush with the outside of the engine or is it recessed??

Aug 18, 2012 | Honda CR-V Cars & Trucks

1 Answer

How to change a idler pulley


1st , you will have to use a 13-15" metric size socket, with a 3/8 drive ratchet, or suitable size wrench, to hold back onto the tensioner to release the serpentine belt, once this is done, then take the appropiate size socket and ratchet and remove the bolt that holds the idler pulley to the engine, once the pulley is removed, then install the new one , tighten it good , and then route the serpentine belt, and then hold back on the tensioner , while getting belt in postion , for tensioner to hold it, and once the belt is in postion, then release the tensioner onto the belt, and make sure that the belt is evenly and correctly routed , before starrting up the engine.

Mar 03, 2011 | 1995 Jeep Grand Cherokee

1 Answer

I need to know how to change a timing belt on a 2002 Kia Sendona


  1. Record the radio anti theft code data.
  2. Remove or disconnect the following:

    Negative battery cable Engine cover Accessory drive belts Idler pulley Crankshaft pulley Power steering pump pulley Belt tensioner pulley Upper and lower timing belt covers
  3. Support the engine with a floor jack and remove the engine mount.
  4. Rotate the engine to align the camshaft sprocket timing marks with the cylinder head cover timing marks.

    0996b43f8022cb71.jpg

    Fig. Timing belt routing and timing marks-3.5L Engine

  5. Remove or disconnect the following:

    Auto tensioner Timing belt

    0996b43f8022cb72.jpg

    Fig. Timing belt and related components-3.5L Engine


To install:
  1. Ensure that the engine is set to Top Dead Center (TDC).
  2. Prepare the auto tensioner for installation by compressing it in a vise and installing a retaining pin.
  3. Install the timing belt in the following order:
    1. Crankshaft sprocket
    2. Idler pulley
    3. Left bank exhaust camshaft sprocket
    4. Left bank intake camshaft sprocket
    5. Water pump pulley
    6. Right bank intake camshaft sprocket
    7. Right bank exhaust camshaft sprocket
    8. Tensioner pulley

  4. Install the auto tensioner. Do not remove the retaining pin at this time.
  5. Check that the crankshaft and camshaft timing marks are aligned correctly.
  6. Rotate the crankshaft 1 / 4 turn Counterclockwise .
  7. Rotate the crankshaft 1 / 4 turn Clockwise to return the engine to TDC.
  8. Loosen the tensioner pulley center bolt.
  9. Apply 44 inch lbs. (5 Nm) torque to the tensioner pulley as shown and tighten the center bolt to 32-41 ft. lbs. (43-55 Nm).

    0996b43f8022cb73.jpg

    Fig. Adjusting the tensioner pulley-3.5L Engine

  10. Remove the auto tensioner retaining pin.
  11. Rotate the crankshaft 2 revolutions Clockwise , then wait 5 minutes for the auto tensioner to adjust.
  12. Measure the auto tensioner rod as shown. If the measurement is not 3.8-4.5 mm, then repeat the belt tensioning procedure.

    0996b43f8022cb74.jpg

    Fig. Measuring the auto tensioner rod-3.5L Engine

  13. When the auto tensioner measurement is correct, install or connect the following:

    Engine mount Upper and lower timing belt covers Belt tensioner pulley Power steering pump pulley Crankshaft pulley Idler pulley Accessory drive belts Engine cover Negative battery cable
  14. Reprogram the radio anti theft codes.

Feb 06, 2011 | 2002 Kia Sedona

1 Answer

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 do i install a water pump for an Isuzu Rodeo, V.7 3.2 liter


Isuzu_Rodeo_Rodeo_Sport_1997-2004
Water Pump - Removal and Installation

3.2L Engines
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Upper radiator hose Timing belt. Refer to the Timing Belt procedure. Idler pulley Water pump
To install:


d2081b9.jpg

Fig. Exploded view of the water pump mounting

3702807.jpg

Fig. Water pump torque sequence. Apply LOCTITE® 262 to bolt number 3 (arrow)-3.2L and 3.5L engines

NOTE Apply Loctite® 262 to bolt number 3 prior to installation.
  1. Install or connect the following:
    Water pump. Tighten the bolts in two passes, in sequence, to 18 ft. lbs. (25 Nm). Idler pulley. Torque to 38 ft. lbs. (52 Nm). Timing belt Upper radiator hose Negative battery cable
  2. Fill the cooling system.
  3. Start the engine and check for leaks.

3.2L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following: Negative battery cableRadiator hoseAccessory drive beltFront coverTiming belt. Refer to the Timing Belt unit repair section.Timing belt idler pulley Water pump
    Negative battery cable Radiator hose Accessory drive belt Front cover Timing belt. Refer to the Timing Belt unit repair section. Timing belt idler pulley Water pump

To install:

e6f48ad.jpg

Fig. Water pump bolt tightening sequence-3.2L engines
  1. Install or connect the following: Water pump. Tighten the bolts in sequence to 18 ft. lbs. (25 Nm).Timing belt idler pulley. Tighten the bolt to 38 ft. lbs. (52 Nm).Timing beltFront coverAccessory drive beltRadiator hoseNegative battery cable
    Water pump. Tighten the bolts in sequence to 18 ft. lbs. (25 Nm). Timing belt idler pulley. Tighten the bolt to 38 ft. lbs. (52 Nm). Timing belt Front cover Accessory drive belt Radiator hose Negative battery cable

  2. Fill the cooling system.
  3. Start the engine and check for leaks.

Hope this help (remember rated and commento).

Mar 19, 2010 | 1997 Isuzu Rodeo

1 Answer

Need to replace my water pump do you have a diagram


5.3L Grand Prix Engine
  1. Place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan.
  2. Remove the battery from the engine along with its tray.
  3. Take the drive belt out of the engine.
  4. Loosen and remove the three bolts to the water pump and remove the pump, throwing away the gasket.
  5. Clean the gasket mating surfaces and install the new water pump with a new gasket, tightening the bolts to 89 inch pounds (10 Nm).
  6. Reinstall the drive belt and the battery with the battery tray.
  7. Refill the engine's cooling system with coolant. Start the car and check for leaks when the engine reaches normal operating temperature.
3.5L Grand Prix Engine
  1. Partially drain the coolant from the cooling system.
  2. Disconnect the surge tank outlet hose and remove the drive belt.
  3. Remove the idler pulley and the water pump pulley, making sure to note the locations of the bolts as you remove them as they are various lengths.
  4. Loosen and remove the bolts to the water pump, also taking note at their locations, and remove the pump.
  5. Install the new water pump with a new gasket, tightening the bolts to 124 inch pounds (14 Nm).
  6. Reattach the water pump pulley, tightening the bolts to 106 inch pounds (12 Nm).
  7. Reinstall the idler pulley, tightening the bolts to 37 foot pounds (50 Nm) and install the surge tank hose and drive belt.
  8. Refill the engine's cooling system with coolant.
  9. Start the car and check for leaks when the engine reaches normal operating temperature.
3.4L and 3.1L Grand Prix Engines

  1. Place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan.
  2. Disconnect the negative battery cable.
  3. Remove the accessory drive belt guard and the accessory drive belt.
  4. Loosen and remove the water pump pulley bolts and remove the water pump pulley.
  5. Remove the water pump bolts and remove the water pump.
  6. Install the new water pump along with a new gasket, tightening the bolts to 89 inch pounds (10 Nm).
  7. Reinstall the water pump pulley and tighten the bolts to 18 foot pounds (25 Nm).
  8. Reattach the accessory drive belt with the drive belt guard.
  9. Refill the engine's cooling system with coolant.
  10. Start the car and check for leaks when the engine reaches normal operating temperature.

Dec 31, 2009 | 1999 Pontiac Grand Prix

1 Answer

I can't find the Auto-tensioner on my 99 accord. Does it have one? If not, how do i get the belts off?


I think this is right, but…
Find someone to help you if you can. To help hold the new belt in place when you are putting it on.
Make a diagram of the way the belt fits over and around the pulleys on your car. Don’t thing that you are going to remember where it goes.
Locate the drive belt auto-tensioner on the upper part of the engine (see pic). The tensioner is an idler pulley, since it does not drive any accessory on your vehicle. Its only function is to give the belt its proper tension.
Insert a long boxed-end wrench on the auto-tensioner pulley bolt of the appropriate size (probably 14mm) and slowly turn the idler pulley to release the tension on the drive belt (you are not removing the bolt; you are turning the tensioner so you can get the belt off while you have it turned under pressure). If you have a 2.4L engine model (2.3 Vtec should be similar), turn the pulley clockwise; if you have a 3.0L engine model, turn the pulley counterclockwise. Slide the belt off any pulley located on the upper part of the engine while you have the tensioner under pressure; then slowly release the tensioner pulley and remove the belt from the engine.
Check every pulley run by the drive belt and make sure they are free of dirt, debris and built-up material.
Compare the old belt to the new one and make sure it is of the same width and configuration.
Install the new belt beginning with the crankshaft pulley at the bottom and center of the engine and work your way up to the last pulley; follow your notes or the routing diagram on the engine compartment. If necessary, ask your helper to hold the belt stretched next to the last pulley on the upper part of the engine. Using the boxed-end wrench, slowly rotate the auto-tensioner pulley in the same direction you turned it to release the belt. Then slide the belt over the last pulley, and slowly release the auto-tensioner.
Make sure the belt is properly seated between the flanges of every accessory pulley.
0ca960f.jpg

Oct 30, 2009 | 1998 Honda Accord

2 Answers

Change idler pulley


It's a T-40 size, but I removed the bolt by first removing the bracket holding the pulley--I assume you're talking about the alternator idler pulley, the one right below the alternator. The bracket is held in place by three 14 mm bolts which I was able to reach from the top of the engine (after removing the black plastic air tube). I then put the bracket in a vise and "buzzed" off the 14 mm nut using an electric impact wrench ($30 +/- from Heartland of America). Be careful when putting the nut back on--the impact wrench will likely be too much torque!


May 17, 2009 | 2003 Kia Sedona

2 Answers

Can't get A/C belt around pulleys on my 01 Chevy Tracker 2.5 V6



Removal & Installation

1.6L Engine
A/C Compressor Belt
  1. Disconnect the negative battery cable.
  2. Loosen the A/C compressor mounting bolts.
  3. Pivot the A/C compressor towards the engine in order to relieve the tension on the belt.
  4. Remove the A/C compressor drive belt from the pulleys.

To install:
  1. Properly route and install the A/C compressor drive belt on the A/C compressor, the power steering (if equipped), and the crankshaft pulleys.
  2. Adjust the A/C compressor drive belt to obtain 6-9 mm (0.24-0.35 in) deflection.
  3. Tighten the A/C compressor mounting bolts to 13-20 f t. lbs. (18-28 Nm).
  4. Connect the negative battery cable.

Alternator Belt
  1. Disconnect the negative battery cable.
  2. Remove the power steering pump and the A/C compressor drive belt.
  3. Loosen the generator mounting bolts.
  4. Pivot the generator towards the engine and remove the accessory drive belt.

To install:
  1. Properly route and install the generator drive belt on the pulleys.
  2. Adjust the alternator drive belt to obtain 6-8 mm (0.24-0.32 in) deflection for a used belt or 5-6 mm (0.20-0.24 in) deflection for a new belt.
  3. Tighten the generator mounting bolts to 17 ft. lbs. (23 Nm).
  4. Install the power steering and the A/C compressor drive belt.
  5. Connect the negative battery cable.

Power Steering Pump Belt
  1. Disconnect the negative battery cable.
  2. Loosen the power steering pump mounting bolts.
  3. Pivot the power steering pump towards the engine in order to relieve the tension on the belt.
  4. Remove the power steering pump drive belt from the pulleys.

To install:
  1. Properly route and install the power steering pump drive belt on the power steering pump and the crankshaft pulleys.
  2. Adjust the power steering pump drive belt to obtain 6-9 mm (0.24-0.35 in) deflection.
  3. Tighten the power steering pump mounting bolts to 22 ft. lbs. (30 Nm).
  4. Connect the negative battery cable.

Apr 26, 2009 | 2001 Chevrolet Tracker

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