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Stubborn Pully/Balancer Bolt; no f-bomb yet... #1102764 01/09/17 03:22 AM
Joined: Oct 2016
Posts: 13
dfreem01 Offline OP
Need a Spot
Hi all, I think I've searched what I can here, EP, on MMUSA site and am stuck. Literally. I'm trying to get the harmonic balancer/crankshaft pulley bolt off for timing belt, valve cover gasket, et al repairs/ maintenance on my 89 Raider, 3.0, manual. I've tried

- the "ribbed v-belt" trick,
- bought a fancy crankshaft pulley holder
- dumped a couple of tanks of air into the impact wrench.
- 3+' breaker bar
- a fair amount of Preston and Blaster penetrating lubricant (from the concave side).
- Said "well...sh*t" a couple times.

I'm not confident in trying the starter trick. Especially since there are guts from the engine all over the garage (lot of stuff moving from the donor).

Any tricks or thoughts?



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Re: Stubborn Pully/Balancer Bolt; no f-bomb yet... [Re: dfreem01] #1102780 01/13/17 06:08 AM
Joined: Jul 2014
Posts: 22
AlexM Offline
Need a Spot
I had the same issue, and had a mechanic friend come by and we did the starter trick. I wasn't comfortable enough to do it myself either. But nothing else I tried worked, and this worked first try. A quick crank with the breaker bar braced against the ground (make sure it's on the right way and cranks the breaker bar down against the ground and not up....). Nothing flew off, bolt just loosened.

Of course, then I broke both the harmonic balancer and the crankshaft gear trying to get those off and had to buy new ones. They were stuck on tighter than the bolt. It looked like someone had hammered them on and mushroomed the crankshaft end a bit.

I'd see if I could find someone close who is comfortable enough to help. Sorry if that's not helpful...


Limited Mechanical Skills
'90 Montero RS 5-speed
Re: Stubborn Pully/Balancer Bolt; no f-bomb yet... [Re: dfreem01] #1102814 01/19/17 02:57 AM
Joined: Oct 2016
Posts: 13
dfreem01 Offline OP
Need a Spot
Thanks! I got it figured out...yes...very stressful.

Re: Stubborn Pully/Balancer Bolt; no f-bomb yet... [Re: dfreem01] #1102896 01/31/17 03:37 PM
Joined: Oct 2016
Posts: 13
dfreem01 Offline OP
Need a Spot

Re: Stubborn Pully/Balancer Bolt; no f-bomb yet... [Re: dfreem01] #1102943 02/02/17 08:38 PM
Joined: Jan 2017
Posts: 17
Lha1988 Offline
Need a Spot
I had a similar struggle with my Wife's Toyota Corolla when changing timing belts, I pried with breaker bar,cheater bar on that,impact wrench,then remembered an old trick[last resort],in which a chisel is used to hit the outside diameter of the bolt to break it loose. This doesn't hurt anything,just leaves a divot.

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