Question about 2004 Ford Taurus

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The pulley at the bottom of the engine , in front of what I assume is the harmonic balancer , has broken. We have tried to loosen the nut that holds this pulley and cannot seem to make it break loose no matter what we do!! Please advise?

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Posted on Aug 21, 2010

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1 Answer

Removing harmonic balancer


First, you have to loosen the crank pulley center bolt. Best way is with an impact gun-bolt is very tight. If you have to use a breaker bar to loosen the bolt, you will have to devise a way to hold the crankshaft from turning backward while loosening it. One method is to remove the starter and wedge a piece of wood against the flywheel, preventing it from turning, while you are loosening the center bolt.
From the beginning: raise and block the side of car that the front of engine is towards. Remove the wheel and the inner fender splash shield. Remove the belts. Remove negative battery terminal, remove starter. Wedge the flywheel so it won't turn backward. Loosen and remove the center bolt. Some harmonic balancers will slide right off the crankshaft now, some are on very tight, if you can't wiggle it, tap it, and get it to move, then buy an inexpensive harmonic balancer removal puller, just a few bucks, easy to use, will save balancer from trying to hammer it off. All you need is enough room to mount up the puller to the balancer, and get the balancer moving off the crank.
Some engine lay outs there isn't enough room: then you really have to get creative, either lowering engine enough to get to pulley, or raising engine out. But most engines are positioned where the crank pulley can come off easily, with enough room to get the puller on.
The pulley may have a woodruff key in a slot on the crankshaft, and a corresponding notch on the pulley, for proper positioning of the pulley to crank. Don't lose the woodruff key.

Sep 01, 2013 | Pontiac Trans Sport Cars & Trucks

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Replacing the Crankshaft and Camshaft sensors on a 1991 and later Buick Park...


If your car is misfiring in a rhythmical pattern when you first start it up for the day or dieing when engine is hot, it could mean your Camshaft or Crankshaft sensors need replacement.
f61dcfa.jpeg

Important, disconnect negative cable from the battery before doing any work on electrical system. Wear safety goggles.

Tools recommended:
Break Bar, Torque Wrench, ratchet driver and a full metrics ratchet socket set, one Q tip, large straight blade screwdriver, ratchet extension and adapters if needed.

First we'll start with the easiest and cheapest of the two sensors.

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Replacing the camshaft sensor:

The camshaft sensor is located on the right side of the engine, behind the water pump pulley.

1. Loosen the screws to the water pump pulley with a breaker bar before removing the serpentine belt. Always turn counter clockwise to loosen.

2.Remove the serpentine belt via the belt tension-er.

3.Use a regular ratchet driver to finish removing the belt pulley from the water pump.

4.Remove the bolt holding the camshaft sensor in place and disconnect electrical connector. Secure the connector with a clothes pin so you don't lose it down in the engine compartment. Clean around the sensor to avoid getting dirt in the engine.

5. Pull the camshaft sensor straight out with a slight twisting motion.

6. Lightly lubricate the O-Ring on the new sensor with fresh motor oil, and install in the engine.

7. installation is the reverse of removal.

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Crankshaft
Sensor:

1. Jack up the front passenger side of the car and safely support it on jack-stands.

2.Remove the tire, remove the inner tire well splash guard cover.

3.Before removing serpentine belt, loosen the center bolt on the harmonic balancer/vibration dampener. (crankshaft pulley)

4. Remove serpentine belt via the belt tensioner.

5.Finish loosening and remove the bolt from the harmonic balancer.
Have an assistant help you, using care not to let the weight of the harmonic balancer rest on the bolt as it can be damaged. Gently pry it of with a straight blade screwdriver. Leave the woodruff key in the crankshaft. Use care to not damage the crankshaft during removal as oil leakage could result. Mark the relationship between the crankshaft and the pulley, so you will be able to line the pulley up just right during re -installation.

6. Disconnect the electrical connector from the crankshaft sensor, secure the connector with clothes pin and loosen the bolts holding the sensor pedestal in place.

7.Separate the old sensor from the pedestal, and install the new sensor, just the same way the old sensor came out. Using the suggested crankshaft sensor alignment tool on the back of the harmonic balancer, making sure the fins on the harmonic balancer pass through the sensor's slot and don't hit it. If any fins on the back side of the harmonic balancer are bent, damaged, or missing, replace the harmonic balancer assembly.

Installation is the reverse of removal. It is imperative the crankshaft sensor be aligned properly before engine start up to avoid damage. Use care not to over tighten bolts during installation. Always tighten to manufacturer's recommended torque.

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Harmonic Balancer/Vibration dampener



on May 24, 2010 | Buick Park Avenue Cars & Trucks

1 Answer

How to change crankshaft sensor on 1999 grand price gt


To get to the sensor, the harmonic balancer pulley on the crankshaft has to be removed. The center bolt on the harmonic balancer is on very tight. To loosen without an impact wrench, remove starter motor and wedge a piece of wood against the flywheel, or use a pry bar and hold the ring gear on the flywheel rigid, while loosening the crank bolt. The engine will try to turn backward when you loosen the crank bolt, so you have to hold the flywheel rigid. Once the bolt is removed, see if you can get the harmonic balancer pulley off without a gear puller. Just try tapping it to see if it slides off, or use two screwdrivers on each side behind the pulley and see if you can start it sliding off. If it is on very tight, as many are, you will have to get hold of a harmonic balancer removal tool-a simple, inexpensive puller that bolts onto pulley and can be drawn off. You might be able to rent the tool too.
BTW, you will need to have the wheel removed from passenger side, and the inner fender cover removed to get to the crankshaft. Once the pulley is off you can unbolt the sensor and put the new one on. GM recommends using a sensor alignment tool to install, because the thin vanes on the back of the harmonic balancer pass through the sensor, and if not aligned right could damage one or the other. If you don't have the tool, put the sensor on loosely mounted, just snugged up finger tight, then test the pulley will slide through the sensor slots without touching either side of sensor. If it looks right, tighten down the sensor in place, install the harmonic balancer pulley and tighten the center crank bolt to about 105 foot pounds.
Wedge the flywheel again so the engine won't turn when tightening the crankshaft bolt.
Good luck, and hope you get it.

May 08, 2013 | Cars & Trucks

1 Answer

The big outside pulley on the harmonic balancer fell off


The Harmonic balancer is held on to the front of the crank shaft with a bolt. there are pullys pressed onto the harmonic balancer in rubber.If more pulleys are needed for more accessories they are bolted to the harmonic balancer.

Apr 20, 2013 | Cars & Trucks

1 Answer

Do I have to remove crankshaft pulley to remove engine front cover (timing cover) on a 2008 mercury mountaineer all wheel drive 4.0L


If it is an aluminium housing I would say you have to . If there is a nut holding the harmonic balancer on use a 1/2 rattle gun(impact) and undo nut . You will not be able to hold the crank any other way. Use a harmonic balance puller to pull the pulley. Wat6ch for the crank key as you pull it off. I think that there may be a more sinster problem awaiting you as the cover covers the chain or gears and has no water behind it except what leaks through the back of the cover from corrosion holes behind the water pump impellor.. Do the nut up with the impact gun. You may have to remove the radiator to get enough space to work on the cover.

Mar 31, 2013 | Cars & Trucks

1 Answer

I need the location of the harmonic balancer on my 2.2l Ecotec engine. Car is 2004 Chevrolet Cavalier LS.


CRANKSHAFT PULLEY IS THE HARMONIC BALANCER.YOU NEED THESE TOOLS TO REMOVE HARMONIC BALANCER, YOU NEED HARMONIC BALANCER REMOVER AND INSTALLER TOOL.YOU NEED A LARGE PIN SPANNER WRENCH TO HOLD HARMONIC BALANCER IN PLACE WHILE LOOSEN THE HARMONIC BALANCER BOLT.

May 21, 2011 | Chevrolet Cavalier Cars & Trucks

1 Answer

Can't get the crank pulley loose. is it left our right threads. i am replacing the water pump.


TURN CRANKSHAFT BOLT COUNTERCLOCKWISE TO LOOSEN. YOU HAVE RIGHT HAND THREADS.ENGINE TURNING CLOCKWISE.YOU NEED A STRAP WRENCH HOLD CRANKSHAFT PULLEY WHILE LOOSEN IT.BUT YOU NEED A CRANKSHAFT DAMPER REMOVAL TOOL.OR HARMONIC BALANCER REMOVAL TOOL.YOU NEED STRAP WRENCH TO HOLD CRANKSHAFT PULLEY WHEN TIGHTEN IT.TORQUE CRANKSHAFT PULLEY BOLT 90 - 98 FT LBS. MAKE JOB EASIER.HAVE A HELPER HOLD STRAP WRENCH WHEN YOU LOOSEN OR TIGHTEN CRANKSHAFT PULLEY.

Sep 19, 2010 | 1995 Mercury Villager

2 Answers

How do i put timing belt and water pump?


REMOVAL & INSTALLATION of timing belt: Fig. 1: View of the timing belt cover 91163p64.gif
Fig. 2: Loosen then timing belt tensioner using a ratchet and short socket 91163p65.gif
Fig. 3: Matchmark the direction of rotation of the timing belt 91163p67.gif
Fig. 4: Once loose, pull the belt off the camshaft pulley 91163p71.gif
  1. Disconnect the negative battery cable.
  2. Turn the crankshaft to align the timing belt matchmarks and set cylinder No. 1 to Top Dead Center (TDC) on the compression stroke. Once in this position, the engine must NOT be turned or disturbed.
  3. Remove all necessary components to gain access to the cylinder head and timing belt covers.
  4. Remove the cylinder head and timing belt covers.
  5. There are 2 belts in this system; the one running to the camshaft pulley is the timing belt. The other, shorter one drives the balance shafts and is referred to as the balancer belt or timing balancer belt. Lock the timing belt adjuster in position by installing one of the lower timing belt cover bolts to the adjuster arm.
  6. Loosen the timing belt and balancer shafts tensioner adjuster nut, but do not loosen the nut more than 1 turn. Push the tensioner for the balancer belt away from the belt to relieve the tension. Hold the tensioner and tighten the adjusting nut to hold the tensioner in place.
  7. Carefully remove the balancer belt. Do not crimp or bend the belt; protect it from contact with oil or coolant. Slide the belt off the pulleys.
  8. Remove the balancer belt drive sprocket from the crankshaft.
  9. Loosen the lockbolt installed to the timing belt adjuster and loosen the adjusting nut. Push the timing belt adjuster to remove the tension on the timing belt, then tighten the adjuster nut.
  10. Remove the timing belt. Do not crimp or bend the belt; protect it from contact with oil or coolant. Slide the belt off the pulleys.
  11. If defective, remove the belt tensioners by performing the following:
    1. Remove the springs from the balancer belt and the timing belt tensioners.
    2. Remove the adjusting nut.
    3. Remove the bolt from the balancer belt adjuster lever, then remove the lever and the tensioner pulley.
    4. Remove the lockbolt from the timing belt tensioner lever, then remove the tensioner pulley and lever from the engine.
  12. This is an excellent time to check or replace the water pump. Even if the timing belt is only being replaced as part of a good maintenance schedule, consider replacing the pump at the same time. To install:
  13. If the water pump is to be replaced, install a new O-ring and make certain it is properly seated. Install the water pump and retaining bolts. Tighten the mounting bolts to 106 inch lbs. (12 Nm).
  14. If the tensioners were removed, perform the following to install them:
    1. Install the timing belt tensioner lever and tensioner pulley. NOTE: The tensioner lever must be properly positioned on its pivot pin located on the oil pump. Be sure that the timing belt lever and tensioner moves freely and does not bind.
    2. Install the lockbolt to the timing belt tensioner, do not tighten the lockbolt at this time.
    3. Install the balancer belt pulley and adjuster lever.
    4. Install the adjusting nut and the bolt to the balancer belt adjuster lever. Do not tighten the adjuster nut or bolt at this time. NOTE: Be sure that the balancer lever and tensioner moves freely and does not bind.
    5. Install the springs to the tensioners.
    6. Move the timing belt tensioner its full deflection and tighten the lockbolt.
    7. Move the balancer its full deflection and tighten the adjusting nut.
  15. The crankshaft timing pointer must be perfectly aligned with the white mark on the flywheel or flex-plate; the camshaft pulley must be aligned so that the word UP is at the top of the pulley and the marks on the edge of the pulley are aligned with the surfaces of the head.
  16. Install the timing belt over the pulleys and tensioners.
  17. Loosen the bolt used to lock the timing belt tensioner. Loosen, then tighten the timing belt adjusting nut.
  18. Turn the crankshaft counterclockwise until the cam pulley has moved 3 teeth; this creates tension on the timing belt. Loosen, then tighten the adjusting nut and tighten it to 33 ft. lbs. (45 Nm). Tighten the bolt used to lock the timing belt tensioner.
  19. Realign the timing belt marks, then install the balancer belt drive sprocket on the crankshaft.
  20. Align the front balancer pulley; the face of the front timing balancer pulley has a mark, which must be aligned with the notch on the oil pump body. This pulley is the one at 10 o'clock to the crank pulley when viewed from the pulley end.
  21. Align the rear timing balancer pulley (2 o'clock from the crank pulley) using a 6 x 100mm bolt or rod. Mark the bolt or rod at a point 2.9 in. (74mm) from the end. Remove the bolt from the maintenance hole on the side of the block; insert the bolt or rod into the hole. Align the 2.9 in. (74mm) mark with the face of the hole. This pin will hold the shaft in place during installation.
  22. Install the balancer belt. Once the belts are in place, be sure that all the engine alignment marks are still correct. If not, remove the belts, realign the engine and reinstall the belts. Once the belts are properly installed, slowly loosen the adjusting nut, allowing the tensioner to move against the belt. Remove the pin from the maintenance hole and reinstall the bolt and washer.
  23. Turn the crankshaft 1 full turn, then tighten the adjuster nut to 33 ft. lbs. (45 Nm). Remove the bolt used to lock the timing belt tensioner.
  24. Install the lower cover, ensuring the rubber seals are in place. Install a new seal around the adjusting nut, DO NOT loosen the adjusting nut.
  25. Install the key on the crankshaft and install the crankshaft pulley. Apply oil to the bolt threads and tighten it to 181 ft. lbs. (250 Nm).
  26. Install the upper timing belt cover and all applicable components. When installing the side engine mount, tighten the bolt and nut attaching the mount to the engine to 40 ft. lbs. (55 Nm) and the through-bolt and nut to 47 ft. lbs. (65 Nm).
  27. Connect the negative battery cable.
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For water pump removal and installation contact me:

Jul 12, 2010 | 1997 Honda Civic

1 Answer

What is the procedure on removing an alternator from a 2001 Taurus with a duratec engine?


Okay, on your engine, the alternator is mounted below the rear cylinder bank of the engine, at the rear of the engine compartment. It'll be easier to access it from the driver's side front fenderwell (take off the right front tire then the plastic lining) or under the car. You might want to go ahead and remove both the liner and work from underneath as you'll need to remove your crankshaft pulley.

1: Disconnect the negative batery cable.

2: Disconnect the electrical connections from the alternator. The output wire is secured by a nut on the output terminal.

3: Revove the serpentine/drive belt.

4: Remove two bolts and one stud bolt that secure the alternator to it's bracket. Remove the crankshaft pulley.

Installation is reverse of removal.

After installing the alternator, reinstall the drivebelt and reconnect the negative battery cable.

To remove the crank-shaft pulley

1: As you'll aready have the wheel, liner, negative battery cable, and serpentine/drivebelt removed, as well as the car on jackstands, I'll omit those steps.

2: Remove the driveplate access cover and hold the ring gear teeth with a large scredriver or pry bar to prevent the crankshaft from turning.

3: Remove the nuts that secure the pullley bracket to the engine front cover. Remove the pulley and bracket.

4: The crankshaft pulley screws into the harmonic balancer with a left hand thread (reverse threaded so rightly loosey lefty tighty). Trun the crankshaft pulley clockwise to loosen and remove it.

5: Hopefully this is where you'll end with the pulley. The harmonic balancer is no fun to remove, but let me know if you need to know this too. After you have your alternator installed, put the pulley back onto the harmonic balancer before installing the serpentine/ drive belt.

Hope this info helps.

Jun 26, 2009 | 1999 Ford Taurus

1 Answer

Bottom center pulley


at the front of the transmission housing, there is an access plate that you can remove and place a LARGE flat blade screwdriver or pry-bar into the teeth of the fly wheel and jam it against a bolt in the housing. loosen the crank bolt (counter clock-wise). get a Y shaped "harmonic balancer puller" and follow the directions with the tool. good luck!

Jan 09, 2009 | 1992 Buick Century

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