Question about 1991 Honda Accord
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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Posted on Jan 02, 2017
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
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
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.
Posted on Sep 23, 2008
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
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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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.
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