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removing the crank bolt help

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Offline wedge

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removing the crank bolt help
« on: September 30, 2005, 01:08:35 PM »
Well, I just replaced my water pump/timing belt on my 89 tracker with the 1.6 8v.  Now I'm getting leakage from the front main seal, so I pulled everything back apart, but I can't get the front crank bolt off to remove the timing belt pully, but I can't get the bolt out of the crank.  I've been using a srapwrench on the drive pully without success, tried a prybar, and an impact wrench to no success, any tips please.

Thanks guys ???
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Offline wildgoody

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Re: removing the crank bolt help
« Reply #1 on: September 30, 2005, 01:36:59 PM »
A good 1/2 inch impact should get it off,
if that doesn't work, you got problems
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Offline wedge

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Re: removing the crank bolt help
« Reply #2 on: September 30, 2005, 01:56:12 PM »
guess I need a better impact wrench.
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Offline Mythose

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Re: removing the crank bolt help
« Reply #3 on: September 30, 2005, 02:33:51 PM »
check the base of the bolt for a spot weld.  that was the storie with the motor I pulled out of my kik, spot welded almost all of the bolts to the block, stupid ass thing to do but some people should be shoot when they pick up a wrench.
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Offline crikeymike

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Re: removing the crank bolt help
« Reply #4 on: September 30, 2005, 04:00:12 PM »
*cut*

see better thread below
« Last Edit: September 30, 2005, 05:00:14 PM by crikeymike »
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Offline cj

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Re: removing the crank bolt help
« Reply #5 on: September 30, 2005, 04:08:14 PM »
I don't recall reverse threads on mine but I wrapped a rag around the pully and used a chain wrench and a breaker bar with a socket and damn it was tight.
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Offline wedge

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Re: removing the crank bolt help
« Reply #6 on: September 30, 2005, 04:21:04 PM »
anyone else think its left hand threads????

Thanks guys
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Offline Rhinoman

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Re: removing the crank bolt help
« Reply #7 on: September 30, 2005, 04:35:54 PM »
I don't think mine is, it came loose while I was turning the engine over. I'm sure I would have noticed if it was LH thread. FSM says to turn crank clockwise when checking timing which implies a conventional thread. Usually I put mine in gear with the brakes on and give it a good whack, a 2ft bar on the end of the socket helps too.
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Offline crikeymike

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Re: removing the crank bolt help
« Reply #8 on: September 30, 2005, 04:59:13 PM »
You're right, turning the crank to align TDC for timing belt replacement is done the regular direction.  I'll edit my other post.  Don't know what i was thinking there.  There's something that i can't remember right now that's LH thread, but must have been on a different engine...

My memory comes back to me now...  loosen the crank bolt with the engine in gear and tires on the ground with hand brake on and IGNITION COIL WIRE REMOVED.  The crank can't turn unless the tires turn then. 

140 ft. pounds rings another bell in my head for appropriate torque settings, but i'm going from an unusually poor memory here.
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Offline ack

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Re: removing the crank bolt help
« Reply #9 on: September 30, 2005, 05:21:12 PM »
This puppy can be a pain to remove!

Looking at the bolt, it comes loose by turning it counter-clockwise or to the left from above the bolt.

It is on very tight -- 140 foot pounds sounds right.

I would recommend a squirt of PB blaster and a hydraulic jack tube-handle on the end of your ratchet handle to add to the torque pressure.  You can anchor the crank by putting a chain-style vice grip on the timing belt pulley/gear and letting the grips' handle rest of something conveniently in it's rotational path.  Try to connect the grips close to the surface that will stop rotation as you will be turning the engine over backwards.

Breaking the bolt is possible as is extracting the broken remains.  However, it is something you desparately want to avoid!  I know.  Oh do I know...
« Last Edit: September 30, 2005, 05:23:59 PM by ack »
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Offline Mat Tracker

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Re: removing the crank bolt help
« Reply #10 on: October 01, 2005, 04:58:59 AM »
I had a similar problem with a Civic once (my friends! Now stop throwing tomatoes...). We tried every possible trick (except turning the motor over and blocking with a long tube on the ratchet) and it never worked.

We ended up renting a 3/4" electric impact. The only problem we had was finding a 3/4" - 12" adaptor for my socket. After that it was easy as pie. Just tighten the bolt for 1-2 seconds to loosen it. Then unscrew it. It'll take 3-5 seconds tops.

Just hope the impact fits in there. Haven't worked on my sidekick much yet. As they say, if it ain't broken. Don't fix it!
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Offline Uncivilized

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Re: removing the crank bolt help
« Reply #11 on: October 01, 2005, 12:11:22 PM »
Quote from: Mat Tracker on October 01, 2005, 04:58:59 AM
I had a similar problem with a Civic once (my friends! Now stop throwing tomatoes...). We tried every possible trick (except turning the motor over and blocking with a long tube on the ratchet) and it never worked.
I've used a little heat on mine about a month ago. Oxy/Acet. And it zipped right out. The impact alone would not get it out, and it was the same impact that put it in  ;D
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Offline 92Sidekick4x4

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Re: removing the crank bolt help
« Reply #12 on: October 01, 2005, 01:34:36 PM »
i stuck a wrench on it and turned the engine overm worked fine
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Offline Uncivilized

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Re: removing the crank bolt help
« Reply #13 on: October 01, 2005, 05:12:58 PM »
Quote from: 92Sidekick4x4 on October 01, 2005, 01:34:36 PM
i stuck a wrench on it and turned the engine overm worked fine
:o :o :o :o
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Shilly

Re: removing the crank bolt help
« Reply #14 on: October 01, 2005, 08:58:40 PM »
My thoughts exactly...   ;D
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