Question about 1999 Chevrolet S-10 Pickup

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How to change a tensioner pulley on a 1999 s10 4-cylinder if i take the bolt off is it spring loaded

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Hello. Yes, your tensioner is spring loaded, BUT the spring is encased, or should be depending on the location of the break. The new one will not have any tension that will affect the installation process. You can see this on the new part. Just re-route the serpentine belt correctly, you shouldn't have any problems, you sound like you have some experience. remember to use thread-lock.

Posted on Apr 26, 2010

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How to Change the serpentine belt?


the belt is routed around various pulleys depending and the engine you have. The tensioner pulley is a spring-loaded assembly which keeps the belt tight on the pulleys. On the 3.0 L Duratech engine, it located on the pass. side toward the back- near and lower to the power steering pump and reservoir. It has a pulley about 3 inches diameter with a metric bolt in the center (very tight spaces to work with). A long wrench or socket on ratchet can move the pulley and assembly away from belt, taking tension off belt while you hold it in place. Alternately, the assembly arm itself may have a square 3/8" hole to insert a ratchet drive in order rotate the pulley against spring pressure to relieve tension on belt. Then slip belt off and route it out. Again, VERY TIGHT space.

Feb 22, 2011 | 1999 Ford Taurus

1 Answer

The bottom pulley for the outside belt wont move to take the belt off the bolt does move but not moving pulley any sugestions


if this is same as opel corsa then turn the bolt to tighten it and the pulley moves up releasing teh tension its spring loaded

Jan 17, 2011 | 1999 Chevrolet Metro

1 Answer

Went to change my alternator took off bolt attached to belt pullt bracket and can't seem to get the bracket back on .....HELP


Most cars have a spring loaded belt tensioner - look for a smooth pulley that the back of the belt goes around. If you removed the alternator mount without removing the belt first the tensioner spring will have taken up the slack and now you will not have enough latitude to refit the bracket. Make a sketch of the pulleys and the path the belt takes around them. Remove the belt. Refit the alternator bracket. Now focus your attention on the tensioner pulley. IN the middle of the pulley there will appear to be a bolt head, could be a torx. Fit the appropriate socket and with e wrench pull the nut and the pulley against the spring. It will take some effort but it will move. Once you have familiarised yourself with how the pulley moves it is now time to refit the belt. Using your earlier sketch as reference feed the belt over all the pulleys leaving the smallest until last, at which point the belt can be fitted over this by putting pressure against the tensioner pulley to provide the necessary slack. Easy when you know how

Aug 17, 2010 | 1999 Toyota RAV4

1 Answer

Can you tell me where I can print instructions for free to help me change my timing belt in a 93 ford festiva


Here are the instructions for removing the timing cover, and for replacing the timing belt. If this is helpful, please click my accept button! Thanks!
Remove accessory drive belts.
  1. Remove water pump pulley to pump hub attaching bolts, then the pulley.
  2. Remove right inner fender panel to gain access to crankshaft pulley.
  3. Remove outer crankshaft pulley attaching bolts, then the outer stiffener/spacer and outer pulley
  4. Remove inner stiffener/spacer, attaching screws, inner pulley and baffle plate.
  5. Remove attaching bolts, then the upper and lower timing covers.
  6. Reverse procedure to install. When installing crankshaft pulley, ensure curved lip on baffle plate and deep recess of inner pulley face outward

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  1. Remove timing belt covers as outlined previously.
  2. Remove timing belt tensioner pulley attaching bolt, then the tensioner pulley, spring and spring cover
  3. If reusing old belt, mark direction of rotation on belt to aid installation.
  4. Remove timing belt from crankshaft and camshaft sprockets.
  5. Check crankshaft and camshaft sprockets, tensioner pulley and timing belt for wear or damage. Replace components as necessary.
  6. Align camshaft and crankshaft sprocket timing marks with marks on cylinder head and oil pump housing
  7. Install timing belt. If reusing old belt, ensure belt is installed so that direction of rotation mark made during removal is positioned correctly.
  8. Install spring and spring cover onto tensioner pulley, then install pulley and attaching bolt. Do not tighten bolt at this time.
  9. Install tensioner spring onto anchor, then tighten pulley attaching bolt to torque listed at the end of this section.
  10. Reinstall timing belt covers.

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This photo shows timing marks.


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Jul 14, 2010 | 1993 Ford Festiva

2 Answers

Looking for timing mark's for a 1997 camry with a 2.2 4cyl motor?


Hi,


You find the timing marks on the picture below.

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Removal
Remove auxiliary 1. drive belts.
2. Support engine.
Remove:
Engine mounting and bracket.
Timing belt upper cover [1].
3.
4. Turn crankshaft clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [2] & [3].
Remove:
Crankshaft pulley bolt [4].
Crankshaft pulley [5]. Use tool No.09213-60017.
5.
6. Ensure timing marks aligned [2] & [3].
7. Slacken tensioner bolt [6]. Move tensioner away from belt and lightly tighten bolt.
Remove:
Timing belt lower cover [7].
Crankshaft sprocket guide washer [9].
Timing belt.
Tensioner pulley.

Installation
Installation
1. Check tensioner pulley for smooth operation.
2. Check free length of tensioner spring is 46,0 mm [8]. Replace spring if necessary.
3. Fit tensioner and spring. Ensure spring is connected correctly.
4. tighten bolt [6].
5. Ensure timing marks aligned [2] & [3].
6. Fit timing belt. Ensure belt is taut between sprockets.
Install:
Crankshaft sprocket guide washer [9].
Timing belt lower cover [7].
Crankshaft pulley [5].
7.
8. Slacken tensioner bolt 1/2 turn [6].
9. Turn crankshaft two turns clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [2] & [3].
Turn crankshaft slowly 1 7/8 turns clockwise until crankshaft pulley timing mark [3] aligned with 45° BTDC mark [10] on
timing belt lower cover [7].
10.
11. Tighten tensioner bolt [6]. Tightening torque: 42 Nm.
12. Install components in reverse order of removal.
13. Tighten crankshaft pulley bolt [4]. Tightening torque: 108 Nm.
Manufacturer: Toyota

Jun 25, 2010 | 1997 Toyota Camry

2 Answers

Timing marks on 1999 Ford Ranger 2.5L.


Rotate the engine so that No. 1 cylinder is at TDC on the compression stroke. Check that the timing marks are aligned on the camshaft and crankshaft pulleys. An access plug is provided in the cam belt cover so that the camshaft timing can be checked without removal of the cover or any other parts. Set the crankshaft to TDC by aligning the timing mark on the crank pulley with the TDC mark on the belt cover. Look through the access hole in the belt cover to make sure that the timing mark on the cam drive sprocket is lined up with the pointer on the inner belt cover.

  1. Loosen the alternator retaining bolts and remove the drive belt from the pulleys. Remove the water pump pulley.
  2. Loosen and position the power steering pump mounting bracket and position it aside.
  3. Remove the four timing belt outer cover retaining bolts and remove the cover. Remove the crankshaft pulley and belt guide.
  4. Loosen the belt tensioner pulley assembly, then position a camshaft belt adjuster tool (T74P-6254-A or equivalent) on the tension spring rollpin and retract the belt tensioner away from the timing belt. Tighten the adjustment bolt to lock the tensioner in the retracted position.
  5. Remove the timing belt.

To install:
  1. Install the new belt over the crankshaft sprocket and then counterclockwise over the auxiliary and camshaft sprockets, making sure the lugs on the belt properly engage the sprocket teeth on the pulleys. Be careful not to rotate the pulleys when installing the belt.
  2. Release the timing belt tensioner pulley, allowing the tensioner to take up the belt slack. If the spring does not have enough tension to move the roller against the belt (belt hangs loose), it might be necessary to manually push the roller against the belt and tighten the bolt.

The spring cannot be used to set belt tension; a wrench must be used on the tensioner assembly.
  1. Rotate the crankshaft two complete turns by hand (in the normal direction of rotation) to remove the slack from the belt, then tighten the tensioner adjustment and pivot bolts to specifications. Refer to the necessary illustrations. Make sure the belt is seated properly on the pulleys and that the timing marks are still in alignment when No. 1 cylinder is again at TDC/compression.
  2. Install the crankshaft pulley and belt guide.
  3. Install the timing belt cover.
  4. Install the water pump pulley and fan blades. Install upper radiator hose if necessary. Refill the cooling system.
  5. Position the alternator and drive belts, then adjust and tighten it to specifications.
  6. Start the engine and check the ignition timing. Adjust the timing, if necessary.

Nov 25, 2009 | 1999 Ford Ranger SuperCab

1 Answer

I have a 1999 Toyota Camry CE 4 cylinder, I am having trouble applyinhg tension to the timing belt. I am not sure how that number 1 idler and tension spring works.


U need to losen bolt on tensioner idler pulley make sure their is no slack one the long side of belt (crank to cam)then lightly par on pulley then tighten up then turn eng over by hand 360 check timing and tension

Oct 18, 2009 | 1999 Toyota Camry

2 Answers

The Timing belt


Recommended by kia is 100,000 km.

Timing Belt: Service and Repair
TIMING BELT
COMPONENT
REMOVAL
1. Disconnect negative battery cable.
2. Loosen power steering lock bolts and nuts accordingly and remove tension from Power Steering (P/S) and/or Air Conditioning (A/C) compressor
drive belt.
3. Remove P/S and/or A/C drive belt.
4. Loosen generator mounting bolts and adjusting bolt.
5. Remove generator bolts.
6. Remove water pump pulley.
7. Remove crankshaft pulley and timing belt guide plate.
8. Remove upper and lower timing belt covers.
9. Turn crankshaft so that timing mark on timing belt pulley is aligned with timing mark on engine.
10. Check that "I" mark on intake camshaft pulley is aligned with mark on cylinder head cover and "E" mark on exhaust camshaft pulley is aligned
with mark on cylinder head cover.
NOTE: Do not move camshaft or crankshaft once timing marks have been correctly positioned.
11. Loosen tensioner pulley lock bolt.
12. Protect timing belt with a rag.
13. Remove tensioner pulley.
14. Remove timing belt.
NOTE: Mark the direction of timing belt rotation (on the timing belt) for proper reinstallation.
INSPECTION
NOTE: Never forcefully twist, turn inside out or bend timing belt. Do not allow oil or grease to come in contact with timing belt.
1. Replace timing belt if it is contaminated with oil or grease.
2. Check timing belt for uneven wear, fraying, peeling, cracking and hardening. Replace timing belt as necessary.
3. Bend timing belt into a "U" shape as shown in figure. Distance "A" must be at least 1.0 inch (25 mm).
4. Inspect both idler pulley and tensioner pulley for uneven wear and smooth bearing operation.
5. Inspect camshaft pulleys and timing belt pulley for broken teeth or damage.
NOTE: Replace any component that shows damage, excessive wear, or that appears prone to a possible failure.
INSTALLATION
1. Install tensioner pulley.
NOTE: Replace tensioner spring whenever timing belt is replaced.
2. Pull tensioner pulley to its furthest point and tighten lock bolt.
3. Check that timing mark on timing belt pulley is aligned with timing mark on engine.
4. Check that "I" mark on intake camshaft pulley is aligned with mark on cylinder head cover and "E" mark on exhaust camshaft pulley is aligned
with mark on cylinder head cover.
NOTE: If existing timing belt is being reused, install belt in proper rotation direction marked prior to removal.
5. Install timing belt onto timing belt pulley first, then idler pulley, exhaust camshaft pulley, intake camshaft pulley, and tensioner pulley in that
order.
6. Check that there is no looseness in belt between idler pulley and exhaust camshaft pulley or between intake and exhaust camshaft pulleys.
7. Loosen tensioner pulley lock bolt and allow tensioner spring to apply tension to timing belt.
NOTE: Do not add additional tension.

8. Tighten tensioner pulley lock bolt to specified torque.
Tightening torque: 28 - 38 ft. lbs. (38 - 51 Nm, 3.9 - 5.2 kg-m)
9. Rotate crankshaft two full revolutions (clockwise only) and align timing mark on timing belt pulley with timing mark on engine block.
10. Check that "I" mark on intake camshaft pulley and "E" mark on exhaust camshaft pulley are aligned with marks on cylinder head cover.
11. If they are not aligned, remove timing belt and start process from tensioner installation.
12. Measure timing belt deflection by applying moderate pressure midway between camshaft pulleys. If deflection is not correct, repeat from
tensioner installation.
Deflection pressure: 22 lb. (98 N, 10 kg)
Deflection: 0.39 - 0.50 inch (11 - 13 mm)
13. Install lower and upper timing belt covers in that order.
Tightening torque: 5.8 - 8.0 ft. lbs. (7.9 - 10.7 Nm, 0.8 - 1.1 kg-m)
14. Install timing belt guide plate and crankshaft pulley.
Tightening torque: 9.0 - 12.6 ft. lbs. (12.3 - 17.2 Nm, 1.3 - 1.8 kg-m)
15. Install water pump pulley.
Tightening torque: 9.0 - 12.6 ft. lbs. (12.3 - 17.2 Nm, 1.3 - 1.8 kg-m)
16. install generator belt and adjust the tension.
17. Install P/S and/or A/C drive belt and adjust the tension.
18. Connect negative battery cable.

Sep 17, 2009 | 2003 Kia Rio

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