HomeOn a 1990 Acura Integra RS is the crankshaft pulley bolt reverse thread?
Wiki User
2005-08-03 00:25:37
2005-08-03 00:25:37
No - The crankshaft bolt will loosen counter-clockwise. Because the crank bolt is so hard to remove it can seem as though it is reversed threaded. The crank turns the opposite direction that is used to tighten the bolt. For the crank bolt Lefty-Loosey (counter clockwise), Righty-Tighty (clockwise) apply here. The crank bolt is tightened to 87 ft/lbs of torque. It took more then 87 ft/lbs of torque to loosen my crank bolt. The manual says to apply a drop of motor oil when reinstalling the bolt. An Harmonic Balancer Pully Holding Tool is used to hold the crank while working with the crank bolt. Holding Tools can be found on the Internet for $20 to $73. There are two sizes, 45 mm and 50 mm. For a 1990 model year the size is 50 mm. I made an Harmonic Balancer Pully Holding Tool by tack welding a 2 foot length of 1 1/2 inch by 1/2 inch piece of stock, for a handle, on a 2 inch (50 mm) hex nut. The nut fits into the pully to hold the crank and the socket, used to turn the crank bolt, fits through the nut.
Related Questions
Not all crankshaft pulley bolts are left hand thread. In my experience if it is a left hand thread the bolt head normally has an L stamped on it to notify the direction of thread
no it is not left handed,some times just a real pain getting off.
1998 Nissan pathfinder crankshaft pulley bolt is right handed.
crankshaft pulley bolt is left hand thread,so it will come out opposite direction to normal bolts
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