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I have turn the crankshaft without timing belt but i could not rotate continously and stop at about 360 degrees and could turn anymore whats the problem and what shall i do.

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  • Cars & Trucks Master
  • 1,991 Answers

You did not state year, make or model, or what engine you're working with. If the engine stops turning before it completes a rotation, you are probably having interference between a piston and a valve - this is what is called an interference engine. You need some guidance from an experienced mechanic on what to do, but until you get help, don't keep trying to turn the engine over.

Posted on Dec 26, 2016

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1 Answer

03 Saturn vue 160 lb compression on 1/3/5 no compression on 2/4/6 timing marks are lined up.


You have 2/4/6 timing marks 180 degress out on exhaust or intake cam .

Did your special tool ?
Rotate the crankshaft using the J 42098 until the #1 cylinder is at 60 degrees before top dead center (BTDC).
Install theJ 42069 Crankshaft Locking Tool.
Rotate the crankshaft in the engine rotational direction (clockwise) using the J 42098 until the #1 cylinder is at top dead center (TDC) and tighten the lever arm to the water pump pulley flange.
Important: Ensure that the alignment of the crankshaft is not 180 degrees off. The alignment mark must align with the corresponding notches on the rear timing belt cover.
Install the 1-2 and 3-4 camshaft locks, the J42069-1 Timing Belt Alignment Kit and the J42069-2.
Important: Do not rotate the crankshaft if the camshafts are not locked in place with the 1-2 and 3-4 camshaft locks (J42069-1 and J42069-2).
Important: Do not rotate the camshafts unless the crankshaft is at 60 degrees BTDC or the valves may contact the crankshaft.
Loosen the tensioner pulley.
Remove the timing belt.

Jan 09, 2017 | Saturn Vue Cars & Trucks

1 Answer

What to do if your cam is out of time


2.3 Liter distributorless engines the timing belt keeps the cam in time with crankshaft and the auxiliary shaft runs the oil pump line up marks to corresponding marks install belt. but there is a inspection hole on front of cover rotate crankshaft line up on tdc remove plug a dimple in gear should line up pointer if not rotate crankshaft 360 degrees check again no dimple belt has jumped from loose tensioner.

Nov 07, 2013 | 1994 Ford Ranger Supercab

1 Answer

Non interference


You say that you checked the timing marks (Camshaft vs. crankshaft) for proper alignment, but it's possible that the camshaft and crankshaft are out of sequence since the crankshaft turns two 360-degree rotations for every one of the camshaft. It's possible that the crankshaft needs to be rotated another 360 degrees and lined up with the timing mark on the camshaft (remove the timing belt in order to do this). Good luck.

Oct 04, 2013 | Mitsubishi Cars & Trucks

1 Answer

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


Hi,
REMOVAL
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.

6_13_2012_3_43_16_pm.gif



INSTALLATION


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

I have this 89 acura legend 2.7l v6 timing belt removed and the water pump removed, the old pump failed which caused the belt to fail, i have new parts and the pump installed only i dont understand to...


Hi, here is what you need to do. Get all of the timing marks lined up as indicated in the picture below. Put the belt on. Without moving the gears off their marks, make the belt tight across the cam gears and then down the right side to the crank gear. All of the slack must be on the left side to be taken up by the tensioner. Release the tensioner to tighten the belt and then verify the marks are still aligned. If the marks are not aligned, loosen the tensioner just enough to turn the gear that needs to be realigned. After tensioning the belt, rotate the crankshaft clockwise 720 degrees and recheck the timing marks. I have pasted the book procedure below. Please let me know if you still have questions. You must get this right.

jturcotte_2242.gif

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jturcotte_2244.gif



jturcotte_2241.gif

  1. If the crankshaft or camshafts have been turned with the timing belt removed, remove the spark plugs and advance the crankshaft about 15 degrees beyond TDC of No. 1 cylinder. Make sure the camshaft sprockets are properly aligned with the marks and return the crankshaft to the TDC mark.
  2. Install the belt in sequence on the crankshaft, the front camshaft, water pump and tensioner pulleys, then the rear camshaft.
  3. To adjust the tension, loosen the tensioner pulley bolt about 1 / 2 turn. The spring will automatically set the proper tension. Torque the bolt to 31 ft. lbs. (43 Nm).
  4. Rotate the crankshaft 6 turns clockwise and check that the timing marks on the crankshaft and camshafts align properly. Adjust the timing belt tension again by rotating the crankshaft to the align the blue mark on the pulley with the pointer. Loosen and retorque the tensioner pulley bolt.
  5. Install the remaining parts in reverse order. Torque the crankshaft pulley bolt to 83 ft. lbs. (115 Nm). When installing the side mount bracket, torque the bolts to 40 ft. lbs. (55 Nm).

Sep 13, 2011 | Acura Legend Cars & Trucks

2 Answers

I need to know how to set the timing belt on my 2003 cadillac cts 3.2L.engine.any diagrams will help a lot thanks


Timing Belt & Sprockets Removal & Installation 3.2L Engine To Remove:
TDC compression stroke timing marks gm_car_cad_cts_04_tmg_mrks_tdc_comp.gif

  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Timing belt cover
    • Crankshaft damper
  3. Rotate the crankshaft in the engine rotation direction, clockwise using the J 42098 or other suitable tool until the # 1 cylinder is at Top Dead Center (TDC) on the compression stroke. The reference marks on the camshaft gears should be aligned with the corresponding notches on the rear timing belt cover, as well as the mark on the crankshaft sprocket and oil pump housing. Timing marks 60 degrees from TDC gm_car_cad_cts_04_tmg_mrks_60_frm_tdc_comp.gif

  4. Rotate the crankshaft counter clockwise using the J 42098 or other suitable tool until 60 degrees Before Top Dead Center (BTDC). The 60 degrees BTDC point can be identified by the index mark on the oil pump cover. Using the J 42069-10 or other suitable tool gm_car_cad_cts_04_j42069-10.gif

  5. Install the J 42069-10 or other suitable tool to the crankshaft sprocket with the knurled bolt.
  6. Rotate the crankshaft in the engine rotational direction, clockwise using the J 42098 until the lever of the J 42069-10 or other suitable tool firmly contacts the water pump pulley flange. The # 1 cylinder is at TDC at this point.
  7. Secure the moveable lever of the tool to the water pump pulley flange. Tools in cam gears gm_car_cad_cts_04_tools_in_cam_grs.gif

  8. Install the J 42069-1 and the J 42069-2 or other suitable tools to the camshaft gears. If the J 42069-1 or the J 42069-2 or other suitable tools do not fit into the teeth of the camshaft gears, it may be necessary to loosen the upper idler pulley and turn the eccentric or camshaft gears until the tool can be inserted.
  9. Loosen the timing belt tensioner nut.
  10. Loosen the upper idler pulley bolt.
  11. Remove or disconnect the following:
    • Lower idler pulley bolt
    • Lower idler pulley and spacer
    • J 42069-10 or other suitable tool from the crankshaft sprocket WARNING
      After timing belt is removed, never turn camshaft and crankshaft independently. Do not remove J 42069-1 and the J 42069-2 or other suitable tools while the belt is removed.
    • Timing belt
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Dec 18, 2010 | 2003 Cadillac CTS

1 Answer

Timing Belt


the piston is probably hitting an open valve. go the other way. if that does not work move the camshaft to clear

Jun 22, 2010 | 1998 Ford Escort

2 Answers

I am planning to replace the timing belt on my daughter's 95 Corolla and was wondering what I need to align where before removing the belt eg How do I find TDC? Camshaft pulley and Crankshaft pulley...


TDC is top dead center/ remove spark plug on cylinder no. 1/ rotate the crankshaft pulley using a socket wrench and power handle and check if the piston on your cylinder no. 1 reach the top center that is TDC/ remove timing belt cover and locate a synchronized marking on your camshaft and crankshaft pulley/ remove old timing belt/ install a new one but make sure that the mark on your camshaft and crankshaft is perfectly synchronized before putting the cover/ manually rotate the crankshaft pulley again and see if it rotates 360 deg. freely then you can be sure you did the job correctly.

Apr 06, 2010 | 1995 Toyota Corolla

1 Answer

Engine crankshaft not rotating 360 degrees


Have you check at the piston not are turning in one of the valve. Are the chain ore cam belt on this? , it could happening at the mark are moving and the timing are not right. First check the timing mark , second check if the not has happening at one of the valve not are damage.You can takke of the timing chain and takke los the cam and try to turn the engine , but first check the timing mark.

Feb 19, 2010 | 2008 Toyota Tacoma

3 Answers

Need a timing scamatic for a 1998 ford contour 16v Zetec ct 2.0l


Installation
All Vehicles
  1. NOTE: Rotate the crankshaft clockwise.
    Rotate the crankshaft to TDC on cylinder No. 1.
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NOTE: Cylinders No. 1 and No. 4 are at TDC when the Woodruff key points straight up.
Remove the blanking plug, completely screw in the special tool and auto-align the crankshaft to TDC.

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  1. Position cylinder No. 4 to valves overlap" and install the special tool.
  2. Hold the camshafts by the hexagon using an open-ended wrench and turn them in the direction of engine rotation.
  3. Slide the special tool onto the ends of both camshafts.
6971087.gif
swp~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not kink the timing belt (do not bend the timing belt less than a diameter of 35 mm).
swp~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not rotate the crankshaft; as necessary check that it is still resting against the timing pin.
NOTE: Design with lower idler pulley shown (built up to 06/1999).
NOTE: The lug of the belt tensioner should not be hooked in the sheet metal cover during timing belt installation.
Position a new timing belt in place.
  • Starting from the crankshaft timing belt pulley and working counterclockwise, position the timing belt in place while keeping it under tension.

2907f65.gif
  1. swp~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not rotate the crankshaft; as necessary check that it is still resting against the timing pin.
    NOTE: Design without lower idler pulley shown (built 06/1999 onwards).
    NOTE: The lug of the belt tensioner should not be hooked in the sheet metal cover during timing belt installation.
    Position a new timing belt in place.
    • Starting from the crankshaft timing belt pulley and working counterclockwise, position the timing belt in place while keeping it under tension.
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  1. NOTE: Incorrect timing belt tension will cause incorrect valve timing.
  2. Pre tension the timing belt.
  3. Rotate the tensioner locating tab counterclockwise and insert the locating tab into the slot in the rear timing cover.
  4. Position the hex key slot in the tensioner adjusting washer to the 4 o'clock position.
  5. Tighten the attaching bold enough to seat the tensioner firmly against the rear timing cover, but still allow the tensioner adjusting washer to be rotated using a 6mm hex key.
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CAUTION: Tension the timing belt, working counterclockwise. Using the hex key, rotate the adjusting washer counterclockwise until the notch in the pointer is centered over the index line on the locating tab (the pointer will move clockwise during adjustment).

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While holding the adjusting washer in position, tighten the bolt
NOTE: Hold the intake timing belt pulley with special tool to stop it from turning.
Tighten the timing belt pulleys.
  1. Tighten the intake camshaft timing belt pulley bolt.
  2. NOTE: Hold the exhaust camshaft by the hexagon with an open-ended wrench to stop it from turning.
    Tighten the exhaust camshaft timing belt pulley bolt.
  3. Remove the special tool.
    • Install the blanking plug.
  4. Remove the special tool.
  5. NOTE: Hold the camshaft by the hexagon with an open-ended wrench to stop it from turning.
    Tighten the exhaust camshaft to stage 2.
    1. NOTE: Turn the crankshaft two revolutions in the normal direction of rotation.
      Check the valve timing by inserting the special tool. Correct it, if necessary.
      • Screw in special tool 303-574 and make sure that the crankshaft is touching it.
      • Insert special tool 303-465 into the camshafts; if necessary loosen the timing pulleys and correct the camshaft alignment.
      • Detach the special tools.
    1. NOTE: Use a new blanking plug.
      Install the blanking plug on the exhaust camshaft pulley.

Mar 10, 2009 | 1998 Ford Contour

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