Question about 1994 Mercury Villager

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Where is the TDC notch on the crankshaft pulley?

I'm trying to time my engine after a rebuild and the TDC paint has worn off of the pulley. On pictures of the a new pulley, the TDC is the far left, which indicates that 15 BTDC is 3 notches to the right. However, the engine really seems to like running at about 6 notches to the right (30 BTDC). Is the TDC notch on the original pulleys on the far left, or are they more in the middle?

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  • Mercury Master
  • 42,075 Answers

If you have a series of notches on the pulley then the middle notch of them all is TDC. Point of fact is that the notches represent BTDC ( before TDC ---advanced) and AFTDC ( after TDC-- late firing past TDC). If the engine is starting and running ok then it is not at 30 degrees BTDC or it would not start easily.Each notch probably represents 5 degrees

Posted on Dec 20, 2014

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Posted on Jan 02, 2017

johnny5846
  • 379 Answers

SOURCE: replacing timing belt 91 mercury capri

according to a manual , the crank key will point to arrow , the intake cam should have an letter i aligned with arrow on belt cover and exhaust cam should have letter e aligned with arrow on belt cover , and as always rotate the engine 2 full turns to inspect timing marks before cranking or trying to start the engine . if you haven't taken the original belt off yet , paint your marks for quicker reference .

Posted on Jan 02, 2009

alicantecoli
  • 22133 Answers

SOURCE: Crankshaft damper pulley

undo the big nut in the middle

Posted on Jan 31, 2009

motor1258
  • 6674 Answers

SOURCE: Belt Routing on 1992 Grand Marquis

Try this diagram.9e7be42.jpg

Posted on Jun 15, 2009

  • 23 Answers

SOURCE: how do you align the camshaft & crankshaft timing marks 1.9

This is the same as a Ford Escort 1.9, the #1 cylinder should be all the way up. To confirm- the crak shift mark should be on zero which is Crank Shift Center- THe camshift sproket should align with the headmark. Make sure both marks don't move. Align the belt- not too tight , not to loose

Posted on Jul 12, 2009

  • 4369 Answers

SOURCE: engine diagram for 2001 mercury cougar

4 cyl or v 6?

2.5L V-6 with air conditioning built 01/99 onwards

84cab79.gif

Posted on Jan 22, 2010

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1 Answer

Rebuilt engine with timing problems


You have it right, the yellow mark is TDC and it's the notch furthest to the left...it e to be set at 15 degrees before TDC, but you have to disconnect the I.A.C sensor to do it.if it's still that far out, you're probably of by a tooth.bring #1 piston to TDC, pull out distributor, turn rotor to #1 on dist cap and put in dist..adjust accordingly. .

Apr 13, 2014 | 1994 Mercury Villager

1 Answer

How can I set the timing on a 1996 dodge stratus 2.4l engine


  1. Using sprocket installation tool No. 6792 or equivalent, press the crankshaft sprocket onto the crankshaft.
  2. Install the camshaft sprockets onto the camshafts. Install and tighten the sprocket retaining bolts to 75 ft. lbs. (101 Nm).


0900c152800896f5.jpg
enlarge_icon.gifenlarge_tooltip.gif
Fig. Fig. 4: Proper camshaft sprocket alignment for timing belt installation

  1. Install the crankshaft sprocket. Set the crankshaft sprocket to Top Dead Center (TDC) by aligning the notch on the sprocket with the arrow on the oil pump housing.
  2. Set the camshafts to align the timing marks on the sprockets.
  3. Move the crankshaft to 1 / 2 notch before TDC.
  4. Install the timing belt starting at the crankshaft, then around the water pump sprocket, idler pulley, camshaft sprockets, and then around the tensioner pulley.
  5. Move the crankshaft sprocket to TDC to take up the belt slack.
  6. Install the tensioner to the engine block, but do not tighten.
  7. Using a torque wrench on the tensioner pulley apply 250 inch lbs. (28 Nm) of tighten to the tensioner pulley.
  8. With torque being applied to the tensioner pulley, move the tensioner up against the tensioner pulley bracket and tighten the fasteners to 275 inch lbs. (31 Nm).
  9. Remove the tensioner plunger pin. The tension is correct when the plunger pin can be removed and replaced easily.
  10. Rotate the crankshaft 2 revolutions and recheck the timing marks. Wait several minutes and then recheck that the plunger pin can easily be removed and installed.
  11. Reinstall the front timing belt cover(s).
  12. Reinstall the engine mount bracket.
  13. Reinstall the right engine mount.
  14. Remove the floor jack from under the vehicle.
  15. Install the crankshaft damper and tighten to 105 ft. lbs. (142 Nm).
  16. Install the accessory drive belts and adjust to the proper tension.
  17. Install the right inner splash shield.
  18. Reconnect the negative battery cable.
  19. Check for leaks and proper engine operation.

Source: Autozone.com

May 22, 2013 | 1996 Dodge Stratus

1 Answer

Timing marks mitsubushi l200 warrior


  • No 1 piston at TDC on the firing stroke.
  • crankshaft pulley notch in line with TDC mark on timing covet
  • cam shaft pully notch in line with mark on head
If it has dizzy then No1 at tdc will have rotoe pointing on number 1 lead.
if has Igniters then line notches on cam to notches on head

Sep 23, 2011 | Mitsubishi Pickup Cars & Trucks

2 Answers

I have a 2002 pt cruiser with a 2.4 litre motor. I've tried to install the timing belt but it does not line up with the 4 scrib marks. I do not know how to rotate the cams in the right order for the belt...


It is typical to have to stretch the belt a tad as you install--needs to be tight across the cam sprockets and from the right cam to the crank gear. Then the tensioner should take up the slack on the other side. 0996b43f80209592.jpg
  1. enlarge_icon.gifenlarge_tooltip.gif
  2. Fig. Camshaft and crankshaft alignment marks-2.4L engine

To install:

0996b43f8020873a.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Install the belt tensioner


0996b43f8020873b.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Proper timing belt routing

  1. Set the crankshaft sprocket at TDC by aligning the sprocket with the arrow on the oil pump housing.
  2. Set the camshafts timing marks so that the exhaust camshaft sprocket is a 1 / 2 notch below the intake camshaft sprocket.
  3. Install the timing belt by starting at the crankshaft. Go around the water pump sprocket, idler pulley, camshaft sprockets and the tensioner.
  4. Move the exhaust camshaft sprocket counterclockwise to align the marks and to remove any slack.
  5. Insert a 6mm Allen wrench into the tensioner opening on the top plate of the tensioner pulley. Rotate the top plate counterclockwise. The pulley will move against the belt and the tensioner setting notch will start to move clockwise. Continue to move the top plate counterclockwise until the setting notch is aligned with the spring tang. Using the Allen wrench, to prevent the top plate from moving, tighten the tensioner lock bolt to 220 inch lbs. (25 Nm). Make sure the setting notch and spring tang are still aligned after the lock nut is tighten. If not repeat the procedure.
  6. Remove the wrench from the belt tensioner.
    NOTE When repositioning the crankshaft to the TDC position, this must be done during the clockwise rotation movement. If the TDC is missed, rotate a further two full turns until TDC is reached. Do not rotate the crankshaft counterclockwise as this will result in improper tensioner settings.
  7. Rotate the crankshaft two full revolutions and verify that the TDC marks are properly aligned.
  8. Check the spring tang is within the tolerance window, if not repeat the previous two steps.

Aug 28, 2010 | Chrysler PT Cruiser Cars & Trucks

1 Answer

Timing belt broke,engine out of time,need to timing and install new belt how do i set timing.98 escort zx2 2.0 L


2.0L Engine SOHC ENGINE
  1. Remove the drive belt and timing cover.
  2. Raise the car and support it with safety stands.
  3. Remove the right-hand splash shield and the crankshaft pulley. Fig. 11: The timing marks on both the camshaft and crankshaft pulleys must be aligned like this before removing or installing the timing belt — 2.0L SOHC engines 90983g66.gif

  4. Align the timing marks as illustrated in the accompanying illustration.
  5. Refer to the accompanying illustration and remove the timing belt as follows:
    1. Loosen the timing belt tensioner bolt (1).
    2. Use an 8mm Allen wrench, and turn the tensioner (2) counterclockwise 1⁄4 turn.
    3. Insert a 1⁄8 inch drill bit in the hole (3) to lock the belt tensioner in place.
    4. Remove the timing belt (4). Fig. 12: Remove the timing belt by following these 4 numbered steps (refer to the text for an explanation) — 2.0L SOHC engine 90983g67.gif

    5. Inspect the belt for damage and signs of oil leakage. To install: NOTE: Install the timing belt over the sprocket in a counterclockwise direction starting at the crankshaft. Keep the belt span between the crankshaft and camshaft tight when installing the belt over the camshaft.
  6. Install the timing belt and remove the drill bit.
  7. Tighten the tensioner bolt to 15–22 ft. lbs. (20–30 Nm).
  8. Rotate the engine two complete revolutions and make sure the timing marks are aligned.
  9. Install the timing belt cover and crankshaft pulley.
  10. Install the right-hand splash shield and the drive belt.
  11. Start the car and check for proper operation.
DOHC ENGINE NOTE: A camshaft alignment timing tool (No. T94P-6256-CH or equivalent) and a crankshaft Top Dead Center (TDC) timing peg tool (No. T97P-6000-A or equivalent) are required for this procedure. NOTE: Make sure the correct notch in the pulley is indexed to the lower cylinder block. Refer to the accompanying illustration. Fig. 13: A camshaft alignment timing tool . . . 90983g68.gif
Fig. 14: . . . and a crankshaft TDC timing peg tool are required when removing and installing the timing belt 90983g69.gif
  1. Remove the spark plugs.
  2. Rotate the crankshaft to TDC.
  3. Locate and remove the plug bolt by the Crankshaft Position (CKP) sensor (refer to the illustration) and install the TDC timing peg. Fig. 15: Remove the plug bolt by the Crankshaft Position (CKP) sensor and install the TDC timing peg 90983g70.gif

  4. Raise the car and support it with safety stands.
  5. Unfasten the splash shields bolts and remove the shield.
  6. Lower the car and remove the water pump pulley.
  7. Remove the valve cover and the timing belt covers.
  8. Align the camshafts and install the camshaft alignment tool on the back of the camshafts as illustrated. Fig. 16: Align the camshafts and install the alignment tool 90983g76.gif
    WARNING
    If the camshaft belt is being reused, mark the direction of the camshaft belt to the rotation of the camshaft prior to removal, or premature wear and belt failure could occur.
  9. Loosen the tensioner pulley bolt and relieve the tension on the belt by disconnecting the tensioner tab from the timing cover back plate.
  10. Slide the belt off the sprockets.
  11. Inspect the belt for wear and replace as necessary. Fig. 17: Timing belt routing — 2.0L DOHC engine 90983g71.gif
    To install:
  12. If, for any reason, the engine was disturbed, the camshafts moved or the sprockets replaced, perform the following procedure: NOTE: Make sure the correct notch in the pulley is indexed to the lower cylinder block.
    1. Position the crankshaft just prior to Top Dead Center (TDC).
    2. If not already done, locate and remove the plug bolt by the Crankshaft Position (CKP) sensor (refer to the illustration) and install the TDC timing peg.
    3. Rotate the crankshaft clockwise against the TDC peg. NOTE: Installation of the alignment tool into the exhaust camshaft may require the camshafts to be rotated clockwise.
    4. Install the camshaft alignment tool on the back of the camshafts.
    5. Install the timing belt and engage the timing belt tensioner tab into the upper timing cover backplate. NOTE: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt.
    6. Using a 6mm Allen wrench, adjust the tensioner until the index marks are aligned and tighten the bolt to 17–20 ft. lbs. (22–28 Nm).
    7. Rotate the crankshaft clockwise against the TDC alignment peg, then remove the camshaft alignment tool.
    8. Remove the TDC peg tool and install the plug bolt.
    9. Install the timing and valve covers.
    10. Install the water pump pulley and the splash shield.
    11. Install the spark plugs. If the engine or the camshaft were not disturbed in any way, or the sprockets were not removed, perform the following procedure:
  13. Install the timing belt and engage the timing belt tensioner tab into the upper timing cover backplate. Fig. 18: Engage the timing belt tensioner tab into the upper timing cover backplate . . . 90983g72.gif
    Fig. 19: . . . then use a 6mm Allen wrench to adjust the tensioner until the index marks are aligned 90983g73.gif
    Fig. 20: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt (arrow) — 2.0L DOHC engine 90983g75.gif
    NOTE: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt.
  14. Using a 6mm Allen wrench, adjust the tensioner until the index marks are aligned and tighten the bolt to 17–20 ft. lbs. (22–28 Nm).
  15. Rotate the crankshaft clockwise against the TDC alignment peg, then remove the camshaft alignment tool. Fig. 21: Rotate the crankshaft clockwise against the TDC alignment peg 90983g74.gif

  16. Remove the TDC peg tool and install the plug bolt.
  17. Install the timing and valve covers.
  18. Install the water pump pulley and the splash shield.
  19. Install the spark plugs.
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Aug 26, 2010 | Ford E-Series Cars & Trucks

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

What is the timing specs for a 97 toyota celica 2.2 engine


Cylinder #1 at top dead center. Mark on the camshaft gear is straight up,as referenced to engine. Note that the engine tilts to the rear so reference the flat line of the head for 12'oclock positioning of cam timing mark.Distributor rotor points to #1 cylinder. If you have crankshaft pulley off, and can see the timing mark there, it should be straight down with #1 at TDC. After reassembly, start engine and jumper E1 and TE1 in the diagnostics box. This gives a smooth steady idle. Use timing light pointed at crankshaft pulley and hooked to #1 cylinder spark plug wire to check. Loosen distributor's 2 mounting bolts enough to turn it. Adjust as necessary. If you are having trouble seeing the notch on the crank pulley, get a white paint pen to increase it's visibility. Reference the rotating pulley mark to the stationary mark on the lower timing belt cover.

Mar 28, 2010 | 1997 Toyota Celica

1 Answer

How do I time a 2006 dodge caravan 2.4L


2.4L Engine
NOTE You may need DRB scan tool to perform the crankshaft and camshaft relearn alignment procedure.
  1. Remove or disconnect the following:
    • Negative battery cable
    • Right front wheel and inner splash shield
    • Accessory drive belts
    • Crankshaft damper
    • A/C compressor/alternator tensioner and pulley assembly
    • Lower front timing cover
    • Upper front timing cover
    • Right engine mount
    • Engine mount bracket

    NOTE This is an interference engine. Do not rotate the crankshaft or the camshafts after the timing belt has been removed. Damage to the valve components may occur. Before removing the timing belt, always align the timing marks.
  2. Rotate the crankshaft until the Top Dead Center (TDC) mark on the oil pump housing aligns with the TDC mark on the camshaft sprocket (located on the trailing edge of the tooth).
  3. Loosen the timing belt tensioner lock bolt.
  4. Insert a 6mm Allen wrench into the hexagon opening located on the top plate of the belt tensioner pulley. Rotate the top plate clockwise until there is enough slack to remove the belt.
  5. If necessary, remove the camshaft timing belt sprockets.
  6. If necessary, remove the crankshaft timing belt sprocket using removal tool No. 6793, or equivalent.
  7. Place the tensioner into a soft-jawed vise to compress the tensioner.
  8. After compressing the tensioner, insert a pin (a 5/64 in. Allen wrench will also work) into the plunger side hole to retain the plunger until installation.

09943d3.gif

Camshaft and crankshaft alignment marks—2.4L engine


ed2b9ee.gif

To lock the timing belt tensioner, be sure to fully insert the smaller Allen wrench into the tensioner as shown—2.4L engine



03f364a.gif

Installation of the timing belt, notice the camshaft alignment— 2.4L (VIN B) engine


To install:
  1. If necessary, use tool No. 6792, or equivalent, to install the crankshaft timing belt sprocket onto the crankshaft.
  2. If necessary, install the camshaft sprockets onto the camshafts. Install and tighten the camshaft sprocket bolts to 75 ft. lbs. (101 Nm).
  3. Set the crankshaft sprocket to Top Dead Center (TDC) by aligning the notch on the sprocket with the arrow on the oil pump housing.
  4. Set the camshafts timing marks so the exhaust camshaft is 1/2 notch below intake camshaft sprocket. Make sure the arrows on both camshaft sprockets are facing up
  5. Install the timing belt starting at the crankshaft, then around the water pump sprocket, idler pulley, camshaft sprockets and around the tensioner pulley.
  6. Move the exhaust camshaft sprocket counterclockwise to take up the belt slack.
  7. Insert a 6mm Allen wrench into the hexagon opening located on the top plate of the belt tensioner pulley. Rotate the top plate counterclockwise until there is no slack on the belt. The tensioner setting notch will start to move clockwise. Watch the notch and continue rotating the top plate counterclockwise until the setting notch is aligned with the spring tang. Using the Allen wrench to prevent the top plate from moving, tighten the tensioner lock bolt to 220 inch lbs. (25 Nm). The setting notch and spring tang should remain aligned after the lock nut is tightened.
  8. Rotate the crankshaft 2 revolutions and recheck the timing marks.
  9. Check the spring tang is within the tolerance window. If not within the window, reinsert the Allen wrench and into the hexagon opening located on the top plate of the belt tensioner pulley. Rotate the top plate counterclockwise until there is no slack on the belt. The tensioner setting notch will start to move clockwise. Watch the notch and continue rotating the top plate counterclockwise until the setting notch is aligned with the spring tang. Using the Allen wrench to prevent the top plate from moving, tighten the tensioner lock bolt to 220 inch lbs. (25 Nm). The setting notch and spring tang should remain aligned after the lock nut is tightened.
  10. Install the engine mount bracket.
  11. Install the front timing belt covers.
  12. Install the A/C compressor/alternator tensioner and pulley assembly.
  13. Install the right engine mount.
  14. Install the crankshaft damper
  15. Install the accessory drive belts and adjust to the proper tension.
  16. Install the right inner splash shield and wheel.
  17. Reconnect the negative battery cable.
  18. Perform the crankshaft and camshaft relearn alignment procedure using the DRB scan tool, or equivalent

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Dec 28, 2009 | 2006 Dodge Caravan

3 Answers

Doing Top Dead Center(TDC) before T-belt


It is important that you turn the engine in the correct direction. To achieve TDC firing stroke remove spark plugs insert a plasic straw into the number one spark plug hole and proceed to turn the engine over observe the straw keep turn ing the motor until the straw travels upward when it stops moving up stop turning, you will know you are at tdc by looking at the timing marks down on the crankshaft pulley the notch on the pulley should line up exactly to the number zero on the timing plate at the front lower part of the motor very close to the crankshaft pulley turn the motor over again and again until you line up the notch on pulley with the number zero you may need to clean the numbers off on the timing plate or front cover.

Nov 05, 2009 | 2000 Subaru Legacy

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Sep 10, 2008 | 1996 Ford Contour

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