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My belt is skipping. How do you tighten it and does it need oil

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Lubrication will not stop the belt from slipping. If you do lubricate it, do not use oil, use whatever is recommended by the manufacturer, probably silicone.

It is likely your belt is stretched to the point that is needs replacement. You can order a new one through Treadmill World

Posted on Oct 05, 2010


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Please could you give me a diagram of the valve timing of a double O.H.C.on a toyota Rav4 3SFE engine

no year(94-present) stated. and under kia dont help much.

its at, i read all the steps and not skip one, I WOULD.

wild guess, #1 a 2005 RAV4
2.0L 3sfe. inline 4 cylinder, not V6

here is the one i see on the FSM.

my gates belts all come with a manual. RTM?
if you buy the belt at a dealer they assume you have the FSM.
FSM, install, steps
  1. Install the oil pump pulley. Tighten the nut to 18 ft. lbs. (24 Nm).
  2. Install the crankshaft timing pulley. Align the pulley set key with the key groove of the pulley. Slide on the pulley facing the flange side inward.
  3. Install the No. 2 idler pulley and tighten the mounting bolt to 31 ft. lbs. (42 Nm). Be sure that the pulley moves smoothly.
  4. Install the No. 1 idler pulley with the bolt and the tension spring. Pry the pulley toward the left as far as it will go and tighten the bolt. Make sure that the pulley moves smoothly.
  5. Temporarily install the timing belt. Using the crankshaft pulley bolt, turn the crankshaft and position the key groove of the crankshaft timing pulley upward. If reusing the timing belt, align the points marked during removal.
  6. Install the timing belt on the crankshaft timing pulley, oil pump pulley, No. 1 idler pulley, water pump pulley and the No. 2 idler pulley.
  7. Install the timing belt guide.
  8. Install the lower (No. 1) timing belt cover and new gasket with the 4 bolts.
  9. Align the crankshaft pulley set key with the pulley key groove. Temporarily install the crankshaft pulley and bolt.
  10. Align the camshaft knock pin with the groove of the pulley, and slide the timing pulley onto the camshaft with the plate washer and set bolt.
  11. Tighten the pulley set bolt to 40 ft. lbs. (54 Nm).
  12. Turn the crankshaft pulley and align the 0 mark on the lower (No. 1) timing belt cover.
  13. Finish installing the timing belt and check the valve timing, as follows:
    1. If reusing the old timing belt, align the matchmarks made previously and install the timing belt onto the camshaft pulley.
    2. Align the marks on the timing belt with the marks on the camshaft pulley.
    3. Loosen the No. 1 idler pulley set bolt 1 / 2 turn.
    4. Turn the crankshaft pulley 2 complete revolutions TDC to TDC. ALWAYS turn the crankshaft CLOCKWISE. Check that the pulleys are still in alignment with the timing marks.
    5. If the No. 1 idler pulley uses a green tension spring, slowly turn the crankshaft pulley 1 7 / 8 revolutions, and align its groove with the mark at 45 degrees BTDC (for the No. 1 cylinder) of the No. 1 timing belt cover.
    6. Tighten the No. 1 idler pulley set bolt to 31 ft. lbs. (42 Nm).
    7. Be sure there is belt tension between the crankshaft and camshaft timing pulleys.
  14. Place the right-hand engine mounting bracket in position but do not install the bolts.
  15. Install the upper (No. 2) timing cover with a new gasket(s).
  16. Remove the engine crankshaft pulley bolt and pulley.
  17. Using SST 09249-63010, or equivalent, install the mounting bolts for the right-hand mounting bracket. Tighten the mounting bolts to 38 ft. lbs. (52 Nm).
  18. Align the crankshaft pulley set key with the pulley key groove. Install the pulley. Tighten the pulley bolt to 80 ft. lbs. (108 Nm).
  19. Install the spark plugs.
  20. Install the right-hand mounting insulator, as follows:
    1. Attach the mounting insulator to the body and mounting bracket with the 4 bolts and 2 nuts.
    2. Tighten the 3 bolts to hold the mounting insulator to the body. Tighten the bolts to 47 ft. lbs. (64 Nm).
    3. Tighten the 2 nuts and bolt to hold the mounting insulator to the mounting bracket. Tighten the bolt to 27 ft. lbs. (37 Nm) and the nut to 38 ft. lbs. (52 Nm).
  21. Install and adjust the power steering pump drive belt.
  22. Install the right-hand engine undercover.
  23. Install the right front wheel.
  24. Lower the engine.
  25. If equipped, install the ABS actuator.
  26. Install the alternator and alternator bracket.
  27. Install the wiring harness bracket for the DLC1.
  28. Install the power steering reservoir bracket and reservoir.
  29. Connect the negative battery cable.
  30. Start the engine and check the timing.

step 13.4 is never to be skipped. ask why., most do. and it fails.


Jun 07, 2014 | 2002 Kia Sportage

1 Answer

Need instructions to replace timing belt on a 1995 diesel ford courier

Disconnect the negative battery cable.
Remove accessory drive belt.
Remove the timing belt cover.
Align the timing mark on the camshaft sprocket with the timing mark on the cylinder head.
Confirm that the timing mark on the crankshaft sprocket is aligned with the timing mark on the oil pump housing.
Loosen the belt tensioner attaching bolt.
Pry the tensioner away from the timing belt and tighten the attaching bolt.
Remove the spark plugs.
Remove the RH engine mount and raise the vehicle.
Remove the splash shield.
Remove the crankshaft damper.
Remove the timing belt.



Note: Do not mix 1/2 round and trapazoidal belt tooth profiles. This can cause premature belt wear, also the belt is meant to run in a dry environment. For maximum belt life, no oil or belt dressing compound should be applied to the timing belt.
Install the timing belt over the sprockets in a counterclockwise direction starting at the crankshaft. Keep the belt span from the crankshaft to the camshaft tight while installing over the remaining sprocket.
Loosen the belt tensioner attaching bolt, allowing the tensioner to snap against the belt.
CAUTION: Do not rotate crankshaft with the spark plugs installed .

Note: Do not turn the engine counterclockwise to line up the timing marks. After rotation, recheck camshaft timing marks for alignment. This will verify that the belt has not skipped a tooth during rotation.
Rotate the crankshaft clockwise two complete revolutions (720 degrees) stopping at top dead center. This will allow the tensioner spring to load the timing belt.
Tighten the belt tensioner attaching bolt to 23-30 Nm (17-22 lb-ft) .
Install the crankshaft damper.
Install the splash shield.
Lower the vehicle.
Install the RH engine mount.
Install the spark plugs.
Install the timing belt cover.
Install the accessory drive belt automatic tensioner.
Install the accessory drive belt.
Connect the negative battery cable.

Thank you.

Jun 13, 2012 | Ford Ranger Cars & Trucks

1 Answer

Power steering belt wont tighten

You will either need a smaller belt or have to modify the brackets.

Jul 04, 2017 | Chevrolet Chevy Cars & Trucks

1 Answer

I have a Image 15.0 R treadmill. It skips and I tried tightening the belt 1/4 turn as directed and not over tighten it. Still skips and actually squeaks now especially when running on the treadmill at 6...

3 different possibilities in my opinion:

belt is too loose, belt is too tight, belt is worn out.

Try to lift the belt and get your hand under it in the middle of the deck. If you cannot reach, it is possible that your belt is too tight. Another clue for this would be the belt "curling" on both sides at the edges. Try to loosen the belt, gradually and testing it along the way.

If on the contrary you can easily slide your hand under the belt from one side to the other, it is more likely that the belt is too loose. The squeaking might be due to the belt not being "square" on the deck. Try to loosen it even more until you can slide it with your hands across the deck. And have it aligned evenly at the front and back. Then retighten and adjust the tracking at low speed.
!!! Do not over loosen as the bolts might come out of the back roller.

A worn out belt might squeak and skip when its old.

Mar 04, 2011 | RTO Image 15.0R Treadmill Walking Belt

1 Answer

How do you tighten the cogged timing belt on a stairmaster 4600cl?

i think you have bad timing belt usually you tighten it through alternator bolts

if it is skipping you should check one of crank bearings it could be gone bad

Dec 04, 2010 | Stairmaster 4600 Cl Cordless Freeclimber

1 Answer

Belt skips when weight goes on. It squeaks and

* take nail polish or paint and place a mark starting on the front roller pulley and going onto the front roller metal shaft
* then try to walk on it and see if the white mark separates
* if it does then the roller is bad and would need replaced or tap screws placed through the pulley into the metal shaft to hold it in place
* if it doesn't separate then the drive belt is slipping and most likely will need replaced, although you could try spraying belt dressing on it to see if that would be a temporary fix.
* if neither of these is your problem and the walk belt is slipping then you will need to try to adjust the screws in the back of the treadmill through the end caps. these are allen wrench screws.
Tighten each one the same amount such as 1 full turn to start with.
see if you can now walk without it slipping.
If not then tighten 1-2 more turn on both sides.
If after 2-3 full turns it is not tight enough
I would recommend replacing the walk belt.

Hopefully this helps with your problem!

Jul 22, 2010 | Proform Exercise & Fitness

2 Answers

Reebok 8050es treadmill walking belt has started slipping/skipping. It has been oiled and it is 2 years old.

If the walking belt slips when walked on, first remove the key and UNPLUG THE POWER CORD. Using the hex key, turn both rear roller bolts clockwise, 1/4 of a turn. When the walking belt is correctly tightened, you should be able to lift each edge of the walking belt 2 to 3 in. (5 to 7 cm) above the walking platform. Be careful to keep the walking belt centered. Then, plug in the power cord, insert the key, and carefully walk on the treadmill for a few minutes. Repeat until the walking belt is properly tightened.If you still have slipping then the drive belt under the motor shroud can also cause this problem unplug unit remove shroud then plug unit in start it up observe the front roller to see if it stops if it does locate the tension adjusting bolt by the motor loosen motor mount and proceed adjusting until slipping has been eliminated

May 05, 2010 | Reebok 8050 ES Treadmill

1 Answer

My treadmill belt skips. I have tightened it as far as it can go and it still skips

This sounds like either the drive belt is loose or the walking belt is old. First, check the tension on the drive belt. If the drive belt is not slipping, then walking belt may need to be replaced. I say may because without working on the unit, I cannot say that IS the problem.

Apr 17, 2010 | Exercise & Fitness

1 Answer

What do i do when the belt skips while u are on it?

This is caused by one of three problems. First and most likely, the walking belt is loose. To tighten the belt, start by locating the two bolts that adjust the rear roller (one on each side of the unit in the back). Run the unit at about 3 mph. Tighten the bolts a 1/4 turn at a time. Make sure that what you do to one side, you MUST do to the other side or the belt will get off center. After you tighten it 1/4 turn, check the belt to see if it is still slipping. If it is then tighten the belt 1/4 turn again. Continue until the belt does not slip, but do not tighten the bolts more than 2 full turns. If it takes more than 2 turns then something else is the problem. The second problem that it could be is the drive belt might be loose. To tighten the drive belt, start by removing the front cover. loosen the bolts around the motor then tighten the drive belt by tightening the motor adjuster bolt. Once the drive belt is tight, tighten the motor back down. The third problem that it could be is the walking belt could be worn and need to be replaced. Let me know if you have any questions.

Jan 12, 2009 | Endurance TF3i Folding Treadmill

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