Mitsubishi Montero Problem Report

Mitsubishi Montero Loose or Broken Crankshaft Pulley Bolt

(40 reports)

The crankshaft pulley bolt may become loose or break causing loss of power steering operation and other related engine accessories. Some of these vehicles may be involved in a recall for this issue. Our technicians tell us that an updated bolt may be available. Replacing as necessary and properly torquing the crankshaft bolt will commonly correct this issue.

the roll pin holding the crankshaft pulley to the timing sprocket broke, probably due to loose crank bolt. -
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. To those out there experiencing the same problem try this, try to drill a second pin hole in the pulley at the same exact location but in the opposite side of the first pin hole, and instead of having one pin you now will have two pins holding the crank pulley. One on each side of the crank pulley,so that crank pulley can stay locked in place, but make sure you use the strongest thread locker.I think I have figured it out. This is just my idea to do it my self, but you can talk to a mechanic and see what they tell you. I am about to do that to my crank pulley hope I fix it for good, and I hope you too. 01/17/14 Eddy -
Loose crankshaft pulley bolt -
bolt came loose on the crank shaft leaving me stranded at the store, sheared the roll pin, now im on my way to the junk yard to find another one, -
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. -
This is the second time the crankshaft pulley bolt has sheared off in the engine. I don't know why it keeps happening. -
harmonic balancer bolt loosened --> $1200 repair --> occurred again 15,000 miles later with added complication of stripped crankshaft --> vehicle scrapped. -
Broken bolt. Drill out and replace -
Bolt came loose, pin sheared ,then i ground down end of crankshaft sprocket that harmonic balancer bolts on to('cause i drove around asking pep boyz auto zone part guys guys what was wrong. duh ?) -
pulley slipped and sheared the roll pin. where do I buy another one? -
Harmonic balancer bolt came out and balancer flew off motor on freeway. Had to buy new one. Installed and now loose after 2 days again. Looking for permanent solution. -
roll pin sheared (twice) causing bolt on harmonic balencer to loosen -
Crank bolt came loose and almost blew the engine and harmonic balancer. cost me $1,300 to fix -
bolt detached and shaft is stripped. Need info on how to recoil bolt/shaft to reattach bolt. -
crank shaft pully came off i took the car to a shop they charged me 1300 dollars to replace it then less than a 1000 miles later it came off again the shop said they will fix well see -
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