How do you break a crank pulley bolt?
Remove the MPI fuse, place breaker bar in pulley bolt, place the bar on top of the axle and crank the car over for a second, maybe 2 and the impact will loosen it up. This is how I do it since I never use any type of air tools on my car.
What causes a crankshaft pulley to get loose?
At 18,000 mi. later, it’s still running fine. Crank bolt got loose and caused the harmonic balancer to sheer the roll pin that holds it to the sprocket. It also wore out the inside of the balancer. Replacing balancer and pin and re-torqueing bolt to spec. Bolt that holds crankshaft pulley busted the threads off.
How much does it cost to replace a crankshaft pulley?
Replacing as necessary and properly torquing the crankshaft bolt will commonly correct this issue. The average cost for a Mitsubishi Montero General Diagnosis is between $88 -$111. Learn More the roll pin holding the crankshaft pulley to the timing sprocket broke, probably due to loose crank bolt.
When was the last time a crank pulley pin sheared?
This same problem happened to me when I bought the truck at 196000 miles for $600 bucks, and a thousand miles later the crank pulley pin sheared too, twice in little less than a thousand miles. The last time I was stranded in a busy intersection with my wife and daughter.
Remove the MPI fuse, place breaker bar in pulley bolt, place the bar on top of the axle and crank the car over for a second, maybe 2 and the impact will loosen it up. This is how I do it since I never use any type of air tools on my car.
What should I do if my crank bolt keeps loosening?
I’d try to clean it all out by twisting a small piece of rag soaked in petrol (wear gloves) through the threaded holes. Clean the bolts too. Keep using little bits of clean rag till they don’t show grease any more. Same with the bolts. Then loctite when all dry.
Why does my LHS crank bolt keep loosening?
Lost my LHS bolt during a knarly downhill & didn’t want to put the arm back on so rode out with it in my pack. Had a look this morning & the crank arm has a few knicks inside it towards the inside of the arm where it has sat halfway on moving over the steel axle.
Is there any play in the crank arm before doing the bolt up?
If yes, a small dab of thread lock might work. Is there any play in the crank arm before you do the bolt up? If yes, the arm is fubar and needs to be replaced. The play as you pedal will act like a wrench and undo the bolt.
I’d try to clean it all out by twisting a small piece of rag soaked in petrol (wear gloves) through the threaded holes. Clean the bolts too. Keep using little bits of clean rag till they don’t show grease any more. Same with the bolts. Then loctite when all dry.
If yes, a small dab of thread lock might work. Is there any play in the crank arm before you do the bolt up? If yes, the arm is fubar and needs to be replaced. The play as you pedal will act like a wrench and undo the bolt.
Lost my LHS bolt during a knarly downhill & didn’t want to put the arm back on so rode out with it in my pack. Had a look this morning & the crank arm has a few knicks inside it towards the inside of the arm where it has sat halfway on moving over the steel axle.
What should I do if my Honda Odyssey crankshaft is stuck?
Using a penetrating oil prior to the job (like ottoman says) is a good idea. 240 ft-lbs. of torque may not be enough. I once used a torque multiplier, and it took about 500 ft-lbs. to remove one really crazy-stubborn crank bolt from a really, really old Accord. If playback doesn’t begin shortly, try restarting your device.
How to fix harmonic balancer on Honda Odyssey?
I put a bit of a anti seize onto the tip before putting it back. and then use a 1/2 break bar with at least 36 inch extension to reach out of the wheel well, set the break bar to a jackstand and then, slide a 6ft steel pipe to the break bar to get enough leverage.
What should I turn the breaker bar on a Honda Odyssey?
Can anyone confirm the position I should be turning the breaker bar ( or impact wrench) on a 2005 Odyssey EX-L (IVtec engine with VCM)? I believe it is the normal clock-wise on, counter clockwise off pattern with this model.
What happens when you pull the pulley on a crankshaft?
The crankshaft pulley bolt is notorious for holding fast despite using powerful tools and long leverage bars to remove it. Furthermore, the pulley tends to spin and spin as you try to bear down on the bolt head. Once you have this bolt freed, you can move onto the rest of the removal, rebuild and installation process unhindered.
How to loosen a crankshaft pulley harmonic balancer bolt?
How to loosen a difficult crankshaft pulley harmonic balancer bolt. The first method uses the power of the starter motor, and the second method uses the force of the rolling vehicle. Be sure to disconnect the main coil wire before attempting, because you DO NOT want the car to start when doing this!
Which is the most stubborn crankshaft pulley bolt?
Crankshaft pulley bolt is the most stubborn, highly torqued and perhaps the most challenging bolt to remove in a car.
Which is the most stubborn bolt in a car?
Crankshaft pulley bolt is the most stubborn, highly torqued and perhaps the most challenging bolt to remove in a car. These bolts can have a rating of 400-700 lb-ft or more especially if they’re rusty or have never been removed. Most auto repair shops or garages use air impact wrench to remove these bolts.
What does a harmonic pulley damper do?
The harmonic balancer (also called “crank pulley damper”), connected to the crankshaft of an engine, reduces engine vibration and serves as a pulley for the drive belts. The balancer or “damper” is composed of two elements: a mass and an energy-dissipating element.