Question about 1991 Honda Accord

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Crankshaft pulley bolt

How do I remove the crankshaft pulley bolt. Is it left or right hand thread?? I used an electric impact with 210ft/lbs torque and it wont budge. I have a severe oil leak from the front cover, and I need to get the crank pulley off before I can go any further. Thank you for your help!

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  • Master
  • 2,101 Answers

Just put the impact in revise and it will come off

Posted on Nov 04, 2012

6 Suggested Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75797 Answers

SOURCE: is the bolt on the crankshaft pully right or left hand threads?

The crank pulley bolt on most Honda engines are very difficult to loosen. Most 1/2" impact guns are just are not strong enough to loosen them. The choice is yours to either use a 3/4" impact gun, the bolt is left losey, righty tighte

Posted on May 30, 2009

gypsycat00
  • 224 Answers

SOURCE: hey, you responded to my problem with my 1993

This part's fun. If you're keeping the pulley from turning, you can put the socket size on a breaker bar and attach a decent length of pipe to the breaker bar for increased leverage and pop it. Another way is to wedge the breaker bar against the ground to keep the nut from turning and tap the ignition (try to turn it over for about 3 seconds to pop it). There is also a manual impact driver that runs about $20.00. It has a 1/2 inch drive socket holder. Hold the socket into bolt and tap it with a 3lb. hammer to give it a 1/4 turn. Finally, you can fit the socket and breaker bar against the bolt and crack it a few times with a soft-faced hammer to loosen. Try spraying some penetrating oil into the bolt (I prefer Liquid Wrench, but WD-40 also works). Any of these methods should free it.

Posted on Jul 11, 2009

bunnydawg
  • 5158 Answers

SOURCE: replacing timing belt and/or water pump

i can answer part of that... have someone put pressure hard on the serpentine belt while you turn the bolt.... likewise if you have access to the timing belt tho i would be careful with that so the timing does not shift. after you get the bolt out you will need a puller for it too. carefull as well when you install the new one to match up the groove on the crankshaft with the pully or you'll never have the timing right.


Robert

Posted on Sep 23, 2008

bolinlamar
  • 157 Answers

SOURCE: crank shaft harmonic balencer bolt

THe Harmonic balanced bolt is loosened by turning it counter clockwise. It is recommended that you get the special tool to hold the harmonic pulley stationary while the bolt is loosened or tightened. However the bolt can be loosened if you use an impact socket and a very strong breaker bar and place it against a strong part of the frame and just bump the engine over very carefully with the high voltage coil wire disconnected so that the engine won't start when you bump it over with the starter and make sure the socket and the breaker bar are very secure when doing this. I recently bought the special Honda wrench from Snap-On tools and it works great for this, but it's very expensive but it's the only way to hold the Harmonic Pulley sufficiently in order to tighten it back to the recommended torque. Which can be several hundred ft pounds, see the service manual for the exact torque.

Posted on Aug 26, 2009

  • 30 Answers

SOURCE: H23 92 Prelude - Crank Pulley fell off

Make sure you check timing and the belt. if it spun don't risk putting it back on. Hope you got a new key. TIMING is important so you don't stick a valve through the top of your piston

Posted on Oct 15, 2009

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1 Answer

Can't remove crankshaft damper bolt from 2001 Taurus OHV


try using the impact gun again only this time set it on do up tension as the bolt may be a left hand thread lock bolt /nut.

Mar 23, 2014 | Cars & Trucks

1 Answer

Cant loosen the bolt on the harminic balancer pulley


no engine stated, so any help will be wrong, !!!!!!
V6? we cant open hood and look, so we are blind as bats. here.

bad input nets bad output , just like a computer.

i dont think its LHT. left hand treads.
its either rusty,
or last guy used red loctite and needs 300F heat to get IT, soft.
or your not trying up to 150fl-lbs of reverse torque.
my damper is at 100/ft/lbs
and will take way more to break free (no locktite)
my guess 2 is this is a slush pump car, a A/T tranny?
and as such , you cant lock the M/t in 5th gear?
sure, and the FSM shows what to do , to get it off for A/Ts
some engines, have special tool.
and or a pulley locking device. (home made works, made many)
some guys just use impact gun and strip the treads out of the crank
and the new FSMs all say, (DONT DO THAT, exactly)
in a shop the dork that does that , just calls you and say, hey buddy
your crankshaft is wrecked, (dont let them touch your engine)

btw l, read the fsm.
and all words for the UNSAID actions you are taking.
here is one , just to scare you.
quotes.
Reprogram the crankshaft position (CKP) pattern. Run the engine until the operating temperature reaches 176 degree. With the engine stopped clear the CKP pattern. Turn the ignition switch OFF. Turn the ignition switch ON and wait thirty seconds.
Check PULSAR F/B LEARN in the data list with the HDS. If not complete repeat the procedure. If complete, road test the vehicle on a level surface. Decelerate the engine speed of 5000 rpm to 3000 rpm. If equipped with automatic transaxle use two Drive positions. If equipped with manual transaxle use first gear.
see, may be the stuck bolt is a blessing,


here i will quote the pulley page for the 3.0L
just to show what a pain A/T cars are. (unsaid tranny )

  1. Raise and safely support the vehicle.
  2. Remove the right front wheel.
  3. Remove the splash shield.
  4. Remove the drive belt.
  5. Hold the pulley with the holder handle (A) and holder attachment (B).
  6. Remove the bolt with a heavy duty 19 mm socket (C) and breaker bar, then remove the crankshaft pulley.
7- clean the crankshaft pulleys (A), crankshaft (B), bolt (C), and washer (D). Lubricate with new engine oil as shown.
Install the crankshaft pulley, and tighten the bolt, as follows. Do not use an impact wrench.
  • Hold the pulley with the holder handle (A) and holder attachment (B), then tighten the bolt to 47 ft. lbs. (64 Nm) with a torque wrench and 19 mm socket (C)
  • Mark (D) the bolt head and crankshaft pulley as shown, then tighten the bolt an additional 60 ? (The mark on the bolt head should line up with the mark on the crankshaft pulley)

  1. Install the drive belt.
  2. Install the splash shield.
  3. Install the right front wheel.

note carefully this bolt is not set to a final torque,
it uses base plus angle.
id use a new bolt. (im savvy and hate buying new crank shafts)

Feb 12, 2014 | 2004 Honda Accord

1 Answer

Is the crank shaft pulley on a renault 1.5 megane left/ or right hand thread


They'd be right hand threads-regular threads-to loosen, turn counter clockwise. An air impact wrench is best for removing the crank bolt. Or a long breaker bar and socket on the bolt, if you can hold the crankshaft stable so it doesn't turn backward with pressure on the bolt. You can pull the starter off, and wedge a big screwdriver or prybar against the flywheel's ring gear teeth, then turn the bolt with the breaker bar.

Jul 13, 2012 | Renault Megane Cars & Trucks

2 Answers

Need timing gear marks for 2004 Kia Sadona 3.5L engine



Removal & Installation

3.5L Engine

  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Record the radio anti theft code data.
  3. Remove or disconnect the following:

    Negative battery cable Engine cover Accessory drive belts Idler pulley Crankshaft pulley Power steering pump pulley Belt tensioner pulley Upper and lower timing belt covers
  4. Support the engine with a floor jack and remove the engine mount.
  5. Rotate the engine to align the camshaft sprocket timing marks with the cylinder head cover timing marks.

    0996b43f8022cb71.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Timing belt routing and timing marks-3.5L Engine

  6. Remove or disconnect the following:

    Auto tensioner Timing belt

    0996b43f8022cb72.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Timing belt and related components-3.5L Engine


To install:
  1. Ensure that the engine is set to Top Dead Center (TDC).
  2. Prepare the auto tensioner for installation by compressing it in a vise and installing a retaining pin.
  3. Install the timing belt in the following order:
    1. Crankshaft sprocket
    2. Idler pulley
    3. Left bank exhaust camshaft sprocket
    4. Left bank intake camshaft sprocket
    5. Water pump pulley
    6. Right bank intake camshaft sprocket
    7. Right bank exhaust camshaft sprocket
    8. Tensioner pulley

  4. Install the auto tensioner. Do not remove the retaining pin at this time.
  5. Check that the crankshaft and camshaft timing marks are aligned correctly.
  6. Rotate the crankshaft 1 / 4 turn Counterclockwise .
  7. Rotate the crankshaft 1 / 4 turn Clockwise to return the engine to TDC.
  8. Loosen the tensioner pulley center bolt.
  9. Apply 44 inch lbs. (5 Nm) torque to the tensioner pulley as shown and tighten the center bolt to 32-41 ft. lbs. (43-55 Nm).

    0996b43f8022cb73.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Adjusting the tensioner pulley-3.5L Engine

  10. Remove the auto tensioner retaining pin.
  11. Rotate the crankshaft 2 revolutions Clockwise , then wait 5 minutes for the auto tensioner to adjust.
  12. Measure the auto tensioner rod as shown. If the measurement is not 3.8-4.5 mm, then repeat the belt tensioning procedure.

    0996b43f8022cb74.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Measuring the auto tensioner rod-3.5L Engine

  13. When the auto tensioner measurement is correct, install or connect the following:

    Engine mount Upper and lower timing belt covers Belt tensioner pulley Power steering pump pulley Crankshaft pulley Idler pulley Accessory drive belts Engine cover Negative battery cable
  14. Reprogram the radio anti theft codes.

    Kia_Sedona_2002-2006
    Timing Chain, Sprockets, Front Cover & Seal

    Print


    Removal & Installation

    3.8L Engine

    1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
    2. Record the radio anti theft code data.
    3. Remove the engine from the vehicle.
    4. Remove the drive belt. Remove the power steering pump. Remove the air conditioning compressor.
    5. Remove the alternator. Remove the drive belt idler. Remove the drive belt tensioner. Remove the water pump pulley. Remove the intake manifold.
    6. Remove the connector bracket from the left cylinder head cover. Disconnect the right ignition coil connector, condenser connector and remove the bracket.
    7. Remove the left cylinder head cover retaining bolts. Remove the cylinder head cover from the engine.
    8. Remove the right cylinder head cover retaining bolts. Remove the cylinder head cover from the engine.
    9. Set the No. 1 cylinder to TDC on the compression stroke. Turn the crankshaft pulley and align its groove with the timing mark T of the lower timing chain cover.
    10. Check that the mark of the camshaft timing sprockets are in straight line positioning on the cylinder head surface. If not rotate the crankshaft 360 degrees. Do not rotate the engine counterclockwise.
    11. Remove the oil pan. Remove the crankshaft damper pulley. Remove the timing chain cover.
      NOTE Be careful not to damage the contact surfaces of the cylinder block, cylinder head and timing chain cover. Before removing the timing chain, mark the right and left timing chains with an identification mark based on the location of the sprocket because the identification mark on the chain for TDC can be erased.
    12. After compressing the timing chain tensioner, install a set pin. Remove the right cam to cam guide. Remove the right timing chain auto tensioner and timing chain tensioner arm.
    13. Remove the oil pump chain cover. Remove the oil pump chain tensioner assembly. Remove the oil pump chain guide. Remove the right timing chain.
    14. Remove the right timing chain guide. Remove the oil pump chain sprocket and oil pump chain. Remove the crankshaft sprocket, oil pump and camshaft drive gear.
    15. Remove the left cam to cam guide. Remove the left timing chain auto tensioner and timing chain tensioner arm. Remove the left timing chain.
    16. Remove the left timing chain guide. Remove the crankshaft sprocket and left camshaft drive. Remove the tensioner adapter assembly.

      0996b43f8020193b.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Timing chain and related components-3.8L Engine


    To install:
    1. Check the camshaft and crankshaft sprockets for wear and damage, replace as required.
    2. Inspect the tensioner arm and chain guide for wear and damage, replace as required.
    3. Check that the tensioner pin moves smoothly when the ratchet pawl is released with a thin rod.
    4. The key of the crankshaft should be aligned with the timing mark of the timing chain cover. This indicates that the piston is at TDC on the compression stroke.
    5. Install the tensioner adapter assembly. Install the crankshaft sprocket and left camshaft drive.
    6. Install the left timing chain guide and torque the retaining bolts 14-18 ft. lbs.
    7. Install the left timing chain. Be sure to install the chain with no slack between the camshaft and the crankshaft (crankshaft sprocket, timing chain guide, exhaust camshaft sprocket, intake camshaft sprocket). The timing mark of each sprocket should be matched with the timing mark (color ink) of the timing chain at installation of the timing chain.

      0996b43f80201924.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Left timing chain markings and installation: (D) exhaust camshaft sprocket (C) intake camshaft sprocket-3.8L Engine

    8. Install the left timing chain tensioner arm and torque the retaining bolts 14-16 ft. lbs.
    9. Install the left timing chain tensioner and torque the retaining bolts 7-9 ft. lbs.
    10. Install the left cam to cam guide and torque the retaining bolts 7-9 ft. lbs.
    11. Install the crankshaft sprocket, oil pump and right camshaft drive.
    12. Install the oil pump chain and oil pump sprocket. Torque the retaining bolt to 14-16 ft. lbs.
    13. Install the right timing chain guide. Torque the retaining bolts to 14-18 ft. lbs.
    14. Install the right timing chain. Be sure to install the chain with no slack between the camshaft and the crankshaft (crankshaft sprocket, intake camshaft sprocket, exhaust camshaft sprocket). The timing mark of each sprocket should be matched with the timing mark (color ink) of the timing chain at installation of the timing chain.

      0996b43f80201925.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Right timing chain markings and installation: (C) exhaust camshaft sprocket (B) intake camshaft sprocket-3.8L Engine

    15. Install the right timing chain tensioner arm. Torque the retaining bolts to 14-17 ft. lbs.
    16. Install the right timing chain auto tensioner. Torque the retaining bolts to 7-9 ft. lbs.
    17. Install the right cam to cam guide and torque the retaining bolts to 7-9 ft. lbs.
    18. Install the oil pump chain guide. Torque the retaining bolts to 7-9 ft. lbs.
    19. Install the oil pump tensioner assembly. Torque the retaining bolts to 7-9 ft. lbs.
    20. Pull out the pins on both the left and right hydraulic tensioners. Install the oil pump chain cover.
    21. Rotate the crankshaft two revolutions in the clockwise direction. Confirm the timing mark. Be sure to rotate the crankshaft in the clockwise direction.
    22. Apply sealant on the chain cover and on the cylinder head, cylinder block, and lower oil pan. Be sure these parts are free of engine oil and dirt.
      NOTE Before assembling the timing chain cover, the liquid sealant TB1217H should be applied on the gap between the cylinder head and block. The part must be assembled with five minutes after the sealant is applied.


      0996b43f80201926.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Sealant application (1 inch bead width)-3.8L Engine

    23. Apply sealant on the chain cover.
      NOTE The liquid sealant TB1217H should be applied on the gap between the cylinder head and block. The part must be assembled with five minutes after the sealant is applied.


      0996b43f80201927.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Timing cover sealant application-3.8L Engine

    24. Install a new gasket to the timing case cover.
      NOTE It is important that the dowel pins on the cylinder block and holes on the timing chain cover should be used as a reference in order to assemble the timing chain cover in the correct position.


      0996b43f80201928.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Timing cover gasket installation (A) gaskets-3.8L Engine

    25. Install the timing chain cover. Torque the retaining bolts in the proper sequence and to specification. The engine should not be started for at least thirty minutes after timing chain cover assembly.

      0996b43f80201929.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig. Timing cover bolt torque sequence and specification-3.8L Engine

    26. Install the timing case cover oil seal.
    27. Continue the installation in the reverse order of the removal procedure.

May 19, 2012 | 2004 Kia Sedona

1 Answer

Crankshaft pulley r/r


Place the crankshaft pulley bolt removal tool over the end of the crankshaft bolt. Tool will hold the pulley in place while you apply torque to the bolt with an impact wrench. Start the air compressor by plugging it in and turn it on. Set the pressure of the compressor on the highest setting. Attach air hose on the air compressor to the air inlet and the locking mechanism using the quick-connect lock on the end of the air compressor hose. Set the impact wrench to turn counterclockwise. Spray the crankshaft bolt with penetrating oil. Make sure you soak the bolt head in oil so that it is easier for the wrench to remove. Secure the socket end of the wrench to the pulley bolt and pull the trigger on the impact wrench. You might need to reapply penetrating oil several times during this process to loosen the bolt up. Eventually, the bolt will come off 215 lbs torque, and simply stated righty tighty, lefty loosy. Hope this will assist you.

Dec 19, 2011 | 1991 Honda Accord

2 Answers

We r strugeling to remove the crankshaft pully and we now un shaw if its a left or right hand thread??


it is a regular thread but you almost need an impact wrench to remove bacause they put them on tight at the factory

Feb 14, 2011 | 1984 Jeep CJ7

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

1 Answer

Replace alternator


Remove or disconnect the following:
  • Negative battery cable
  • Right front wheel
  • Right fender splash shield
  • Accessory drive belt
NOTE The crankshaft pulley retainer has left-hand threads.

  • Crankshaft pulley
  • Alternator harness connectors
  • Alternator

eed945c.gif

Remove the crankshaft pulley to provide clearance—2002–04 3.0L


To install:
  1. Install or connect the following:
    • Alternator and tighten the fasteners to 18 ft. lbs. (25 Nm)
    • Alternator harness connectors
    NOTE The crankshaft pulley retainer has left-hand threads.

    • Crankshaft pulley and tighten to 74 ft. lbs. (100 Nm)
    • Accessory drive belt
    • Right fender splash shield
    • Right front wheel
    • Negative battery cable
  2. Start the engine and check for proper operation

May 12, 2010 | 2003 Ford Taurus

1 Answer

Cant get the crankshaft pulley off


It's most likely right hand thread. You will have to use a large breaker bar to get enought leverage to remove this nut. Or you can use what ever you have and place a steel pipe on the end of it for extra leverage. If it doesn't budge, you may have to soak it in penetrating oil, and use an impact wrench. Make sure you remove the large washer under the nut "before" you remove pulley.

Nov 11, 2008 | 1997 Jeep Tj

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