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2004 Ford Freestar Serpentine Belt

Which pulley is the tensioner pulley?

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Some are actually spring loaded and others just have a slot that allows for adjustment. Either one of those types should be visibly different.
If the belt is not used for cam timing, the adjustment may be done with one of the accessory items such as AC compressor, the alternator or the power steering pump. In this case, the adjustable device will have one pivot bolt and another that goes through a slotted area to allow the device to 'swing' for adjustment.
The pivot bolt should be only a little loose so one can just barely move the adjustable device, while the adjustment bolt should be free while adjusting.  This may help not losing the adjustment after having set the belt tension correctly.

Posted on Oct 09, 2008

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Serpentine belt


BELT ROUTING DIAGRAM 1997 Mercury Sable 3.0L SFI 6cyl The Belt Routing Diagram

0900c1528025fc65.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 16: Rotate the belt tensioner and...


0900c1528025fc66.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 17: ... remove the belt from around one of the pulleys to remove the belt

WARNING Use caution when removing or installing the belt and make sure the tool does not slip from the drive belt tensioner or personal injury or damage to the belt tensioner and the belt may occur.

  1. Attach a 15mm socket or wrench to the bolt attaching the tensioner pulley.
  2. On all 3.0L (OHV) engines, rotate the drive belt tensioner clockwise to relieve belt tension and slide the belt off the pulleys.
  3. On 3.0L (DOHC) engines, rotate the tensioner counterclockwise to relieve belt tension and slide the belt off the pulleys.

To install:
  1. Install the drive belt on all the pulleys except the tensioner pulley.
  2. Rotate the belt tensioner as outlined in the removal procedure to relieve belt tension and install the belt onto the tensioner pulley. Make sure the V-grooves make proper contact with the pulleys. Make sure the spring keeper releases or improper belt tension will occur.

Aug 05, 2012 | 1997 Mercury Sable

1 Answer

I need to know how to change the serpentine belt on a 1994 chevy cavalier


    • 1 Open the hood, and locate the auto-tensioning bolt in the center of the pulley system. This bolt will be in the center of a pulley that does not appear to be connected to any component.
    • 2 Turn the auto-tensioning bolt clockwise with a socket wrench to release tension on the belt.
    • 3 Slide the belt off the pulley system.
    • 4 Orient the new belt on the pulley system according to the belt path printed on the underside of the hood and next to the hood latch mechanism on your Cavalier. Leave slack in the belt around the tensioner pulley.
    • 5 Slide the belt over the tensioner pulley while you have the auto-tensioner pulley bolt turned clockwise as far as it will go. Make sure that the belt is sitting centered in all the various pulley grooves on the pulley system.
    • 6 Release the tension pulley bolt, and apply tension to the belt. The auto-tensioner will automatically apply the correct amount of tension on the belt.

Oct 05, 2011 | 1994 Chevrolet Cavalier

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

Replace serpentine belt



Removal & Installation

  1. Rotate the drive belt tensioner clockwise and remove the drive belt.
    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.


    0996b43f80204f01.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar


To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing section of this manual.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.

  1. Rotate the drive belt tensioner clockwise and remove the drive belt.
    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.


    0996b43f80204f01.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar


To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing diagrams above.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.
If for any reason, the tensioner is crooked, replace it!!! Also, install the belt with the writing facing you like you are trying to read a book. This WILL (a trick I learned at Mercedes) prevent even a new belt from squeeling!!

Dec 16, 2010 | 2003 Ford Explorer

2 Answers

Belt diagram


Accessory Drive adobe.gif Printable View (62 KB) Component Locations 3.0L (2V)a0007698.gif
Item Part Number Description 1 10346 Generator pulley 2 8678 Belt idler pulley 3 3A733 Power steering pump pulley 4 8620 Drive belt 5 19D784 A/C clutch pulley 6 6B209 Drive belt tensioner pulley 7 6A312 Crankshaft pulley 8 8A528 Coolant pump pulley

Component Locations 3.0L (4V)a0021457.gif
Item Part Number Description 1 3A733 Power steering pump pulley 2 8620 Drive belt 3 19D784 A/C clutch pulley 4 6A312 Crankshaft pulley 5 6B209 Drive belt tensioner pulley 6 10344 Generator pulley

Water Pump Drive Belt - 3.0L (4V) with Tensionera0017932.gif
Item Part Number Description 1 6A359 Camshaft drive pulley 2 8K543 Drive belt 3 8A528 Coolant pump pulley 4 8W508 Drive belt tensioner pulley

Water Pump Drive Belt - 3.0L (4V) without Tensionera0017933.gif
Item Part Number Description 1 6A359 Camshaft drive pulley 2 8K543 Drive belt 3 8A528 Coolant pump pulley

Nov 28, 2010 | 2004 Ford Taurus

1 Answer

Change a serpentine belt on a 97 lincoln


3.8L Engine
  1. Insert a 1/2 inch flex handle in the square hole in the tensioner. The tensioner has a square hole cast into the rear of the tensioner body directly behind the pulley. Rotate the tensioner clockwise and remove the belt from the pulleys.

NOTE As an alternate method, a 16mm socket can be placed on the tensioner pulley bolt and rotated clockwise to remove the belt.

To install:
  1. Following the schematic on the decal under the hood, loop the drive belt over all the pulleys except the alternator pulley.
  2. With the belt installed properly on all except the alternator pulley, rotate the tensioner as described above and install the belt on the alternator pulley. Ensure that all the V-grooves make proper contact with the pulleys.

4.6L Engine
WARNING Do not allow the drive belt tensioner to snap back as damage to the drive belt tensioner or personal injury could result.


  1. Rotate the drive belt tensioner clockwise with a breaker bar installed in the 3/8 inch square hole in the drive belt tensioner.
  2. Lift the drive belt over the idler pulley flange and remove the drive belt.
To install:
  1. Following the schematic on the decal under the hood, position the belt over the pulleys, except the idler pulley.
  2. Rotate the tensioner as described above and install the belt on the idler. Ensure that all the V-grooves make proper contact with the pulleys.

Apr 23, 2010 | 1997 Lincoln Continental

1 Answer

Tension pulley for serpentine belt making noise


The Tensioner Pulley Bearings are failing and either the Tensioner Pulley or the Tensioner Assembly (Pulley, Arm and Base) must be removed and replaced.

Click on the following free direct Link. It has several of the Serpentine Belt Diagrams and Tensioners that are possible with your 4.3L V6 engine.
http://www.2carpros.com/car_repair_information/year/1998/make/gmc/model/jimmy/1998_gmc_jimmy_drive_belt_routing_diagram.htm
1. Remove the Serpentine Belt.
"HOW TO":
Standard Rules to Removal the Serpentine Belt with a Tensioner:
A. Find the Tensioner(s). (See Diagrams on Link)
B. Using a Serpentine Belt Tensioner Tool, Or Wrench OR Ratchet, Rotate/Move the Tensioner USING THE AVAILABLE NUT (on the Pulley or Arm Base) OR the OPENING (3/8ths or 1/2 inch square opening) rotating the Tensioner Pulley/Arm - moving it away from contact with the belt and towards the area where the belt is not in contact with the Tensioner Pulley. The Tensioner is spring loaded, and is hard to rotate/move.
C. Remove the loosened belt off one of the other more easily accessed Pulleys.
D. DO NOT quickly release the Tensioner, but gently allow the Tensioner to rest in its closed position.

Removing the Tensioner Pulley: See the Diagrams in the Link.
After the Belt has been removed, with the Tensioner resting:
DEPENDING ON WHAT TYPE TENSIONER:
IF the Tensioner Pulley itself HAS a Bolt Head showing, SOME of these bolts can be removed and the Tensioner Pulley replaced.
IF the Tensioner Pulley itself DOES NOT HAVE a Bolt Head showing, then go to the Tensioner Base located at the end of the Tensioner Arm. This should have a Bolt Head Showing. Remove this Bolt and the whole Tensioner Assembly will com off.

When replacing the Tensioner Assembly - MAKE SURE you place the protruding "nipple" on the underside base of the Tesnioner into the appropriate cavity on the engine face.

Standard Rules for Installing the Serpentine Belt with Tensioners:
a. Pick a Pulley that is most easily accessed. This will usually be on top. This will be the last Pulley that the belt will go on.
b. Using the Diagram: Install the new Serpentine Belt on the remainder of the Pulleys....over, under, left right.
c. Using a Serpentine Belt Tensioner Tool or Wrench or Ratchet Tool: Rotate/Move the Tensioner Pulley/Arm "away" from Belt contact area on the Tensioner. This spring is pretty hard and with a new belt, it will be even harder to install. Rotate/Move this to as-close to the maximum allowed inorder to have enough slack in the belt to get it up and over the last pulley.
d. Using your other hand - Pull the Belt up and over the Last remaining Pulley.
e. Before releasing the pressure on the Tensioner, visually inspect the remainder Pulleys and the Belts' Positioning on them

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.Com!

Mar 29, 2010 | 1998 GMC Jimmy

1 Answer

How do you replace the serpentine belt tensioner on 1990 sunbird 2.0 ohc


Click on the following free direct Link. It has several of the Serpentine Belt Diagrams and Tensioners that are possible with your 2.0L 4-Cylinder engine and engine options (AC/No AC, etc.).

http://www.2carpros.com/car_repair_information/year/1990/make/pontiac/model/sunbird/1990_pontiac_sunbird_drive_belt_routing_diagram.htm

A. Remove the Serpentine Belt.
"HOW TO":
Standard Rules to Removal the Serpentine Belt with a Tensioner:
1. Find the Tensioner(s). (See Diagrams on Link)
2. Using a Serpentine Belt Tensioner Tool, Or Wrench OR Ratchet, Rotate/Move the Tensioner USING THE AVAILABLE NUT (on the Pulley or Arm Base) OR the OPENING (3/8ths or 1/2 inch square opening) rotating the Tensioner Pulley/Arm - moving it away from contact with the belt and towards the area where the belt is not in contact with the Tensioner Pulley. The Tensioner is spring loaded, and is hard to rotate/move.
3. Remove the loosened belt off one of the other more easily accessed Pulleys.
4. DO NOT quickly release the Tensioner, but gently allow the Tensioner to rest in its closed position.

B. Remove the Tensioner:
Removing the Tensioner Pulley: See the Diagrams in the Link.
After the Belt has been removed, with the Tensioner resting:

DEPENDING ON WHAT TYPE TENSIONER:
(1.) IF the Tensioner Pulley itself HAS a Bolt Head showing, SOME of these bolts can be removed and the Tensioner Pulley replaced.
(2.) IF the Tensioner Pulley itself DOES NOT HAVE a Bolt Head showing, then go to the Tensioner Base located at the end of the Tensioner Arm. This should have a Bolt Head Showing. Remove this Bolt and the whole Tensioner Assembly will come off.
(3.) Some Tensioner Assembly's need you to locate and remove mounting bolts.

If Applicable: When replacing the Tensioner Assembly - MAKE SURE you place the protruding "nipple" on the underside base of the Tensioner into the appropriate cavity on the engine face.

Standard Rules for Installing the Serpentine Belt with Tensioners:
a. Pick a Pulley that is most easily accessed. This will usually be on top. This will be the last Pulley that the belt will go on.
b. Using the Diagram: Install the new Serpentine Belt on the remainder of the Pulleys....over, under, left right.
c. Using a Serpentine Belt Tensioner Tool or Wrench or Ratchet Tool: Rotate/Move the Tensioner Pulley/Arm "away" from Belt contact area on the Tensioner. This spring is pretty hard and with a new belt, it will be even harder to install. Rotate/Move this to as-close to the maximum allowed inorder to have enough slack in the belt to get it up and over the last pulley.
d. Using your other hand - Pull the Belt up and over the Last remaining Pulley.
e. Before releasing the pressure on the Tensioner, visually inspect the remainder Pulleys and the Belts' Positioning on them


Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.Com!

Mar 13, 2010 | 1990 Pontiac Sunbird

2 Answers

Serpentine belt diagram 2002 ford escape picture of serpentine belt pattern


CLICK on the following LINK. It has the Belt Diagrams you will need.

If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!
http://www.2carpros.com/car_repair_information/year/2002/make/ford/model/escape/2002_ford_escape_drive_belt_routing_diagram.htm

Feb 27, 2010 | 2002 Ford Escape

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

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