tight crankshaft bolt ..need help
03-25-09, 01:01 PM
#1
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tight crankshaft bolt ..need help
ok i send the head to rebuild now everything almost back together .i was gonna change the timin belt but the damn crankshaft bolt is so tight . i try almost everything including breaker bar with cheater, starter beep and got a ir 2135 impact but none of that work . should i buy a 3/4 impact for it ??none of my fds got a 3/4 coz they dun work on truck, i dun wanna spend like $400 on it . if i torch it i am afraid to damage the pully coz there's rubber in there?? wut should i do now ..?? 
03-25-09, 06:37 PM
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I have always had good luck as a last resort with a breaker bar laying up against the control arm and bumping the starter 2 times at the most. I am not sure if that is what you were refering to when you wrote starter beep.
03-25-09, 07:17 PM
#4
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i mean like JSM is getting at, if the engine is in the car and you can do this then do this: put breaker bar against the ground and crank the engine using the starter. LOTS of torque this way. and safe, just put the breaker bar on the appropriate 'side'... i believe the crankpulely turns clockwise which means the bar will rest on the ground towards the rear of the car. but make sure which way it cranks.
edit: "The breaker bar towards the front of the car against the pavement" as esucaris1 correctly points out two posts later
edit: "The breaker bar towards the front of the car against the pavement" as esucaris1 correctly points out two posts later
Last edited by llcoolpass; 03-26-09 at 07:19 PM.
03-26-09, 08:33 AM
#6
i mean like JSM is getting at, if the engine is in the car and you can do this then do this: put breaker bar against the ground and crank the engine using the starter. LOTS of torque this way. and safe, just put the breaker bar on the appropriate 'side'... i believe the crankpulely turns clockwise which means the bar will rest on the ground towards the rear of the car. but make sure which way it cranks.
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03-26-09, 11:50 AM
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yes battery fully charged . it move but will not loose .. i think i need to wait till sunday to try it again coz i need to work six days ... i will post some update on sunday . thx everyone
i will post some update on sunday . thx everyone
Last edited by DA300ES; 03-26-09 at 11:53 AM.
03-26-09, 11:53 AM
#12
Instructor
See if you can get some penetrating oil back in there to let it marinate until Sunday. You don't want to heat it, because then you'll be replacing the harmonic balancer!
04-09-09, 03:06 PM
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ok i changed the contact in the starter , got another fully charge battery and try it again today .. ............that bolt will not break loose ... ........... still tight .......... hv anyone torch that bolt before ???? should i torch it or not ???????? need opinion ... thx
04-09-09, 03:24 PM
#15
Lexus Champion
you got all the belts off of it , right?
you need to cause the bolt to heat and contract. torch is one way.
basically, blipping the starter should have worked. something seems amiss. starter probably has hundreds of ft lbs of torque. very surprising to have so many issues.
try a longer breaker bar and [if you weren't before] 6 pt socket and make sure to rest it on the ground, but not directly , put a piece of wood under it. try again.
you need to cause the bolt to heat and contract. torch is one way.
basically, blipping the starter should have worked. something seems amiss. starter probably has hundreds of ft lbs of torque. very surprising to have so many issues.
try a longer breaker bar and [if you weren't before] 6 pt socket and make sure to rest it on the ground, but not directly , put a piece of wood under it. try again.