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11-02-2020, 08:08 PM
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#1
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Senior Member
Workhorse Chassis Owner Rexhall Owners Group
Join Date: Feb 2003
Location: Everywhere,USA
Posts: 1,520
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Crankshaft Bolt…
Anyone try to remove the Crankshaft bolt on an 8.1L?
My front seal is leaking and I need to replace it. I have removed 3 in the past on various vehicles. Two were no problem but the third was a REAL BUGGER!
__________________
Full-Timers
in a
2003 Rexhall Aerbus 3550BSL
W22 Workhorse
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11-02-2020, 09:22 PM
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#2
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Senior Member
Join Date: Oct 2010
Posts: 1,460
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GM has some REALLY good loctite-like stuff. Tried to get the calipers off my 2500 - no dice, and I have a 3/4 inch socket set with a 30" ratchet.
Just bought a Milwaukee electric chatter gun with 1500 ft lbs of torque. I'm sure I can either remove the bolts or snap them off now.
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11-02-2020, 09:56 PM
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#3
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Senior Member
Join Date: May 2017
Location: Vancouver Wash
Posts: 7,227
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I have used the starter as an aid in breaking loose a super tight crank bolt.....just lock up a breaker bar against the frame and tap the key.......
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11-03-2020, 11:59 AM
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#4
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Senior Member
Join Date: May 2019
Posts: 172
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Quote:
Originally Posted by bob caldwell
I have used the starter as an aid in breaking loose a super tight crank bolt.....just lock up a breaker bar against the frame and tap the key.......
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Now that's a power tool!
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11-03-2020, 12:25 PM
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#5
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Senior Member
Join Date: Jul 2015
Location: Watertown NY USA
Posts: 6,531
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Quote:
Originally Posted by bob caldwell
I have used the starter as an aid in breaking loose a super tight crank bolt.....just lock up a breaker bar against the frame and tap the key.......
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Be sure to hold something like a 2 x 4 against the socket end of the ratchet or breaker bar so the wrench can't come flying off and damage the radiator or anything else. It's best to do this with the aid of a helper.
Lynn
__________________
2002 Fleetwood Storm 30H on Workhorse P32 chassis 8.1 gas.
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11-03-2020, 12:50 PM
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#6
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Senior Member
Join Date: May 2017
Location: Vancouver Wash
Posts: 7,227
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When I need to it, I use a remote push button starter so no need for a helper.....
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11-03-2020, 04:26 PM
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#7
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Senior Member
Join Date: Jul 2015
Location: Watertown NY USA
Posts: 6,531
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Quote:
Originally Posted by bob caldwell
When I need to it, I use a remote push button starter so no need for a helper.....
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When I do this I like to have two hands. One to hold the breaker handle bar in place and the other to hold the 2 X 4 against the socket.
I paid a lot of money for these plastic teeth. I don't want to replace them anytime soon.
Lynn
__________________
2002 Fleetwood Storm 30H on Workhorse P32 chassis 8.1 gas.
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11-03-2020, 08:31 PM
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#8
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Senior Member
Workhorse Chassis Owner Rexhall Owners Group
Join Date: Feb 2003
Location: Everywhere,USA
Posts: 1,520
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Quote:
Originally Posted by bob caldwell
I have used the starter as an aid in breaking loose a super tight crank bolt.....just lock up a breaker bar against the frame and tap the key.......
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That's the trick I used on the one that was a bugger. It worked first time.
__________________
Full-Timers
in a
2003 Rexhall Aerbus 3550BSL
W22 Workhorse
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11-04-2020, 06:03 PM
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#9
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Senior Member
Join Date: Nov 2018
Location: Fulda, MN
Posts: 1,254
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Quote:
Originally Posted by VanDiemen23
GM has some REALLY good loctite-like stuff. Tried to get the calipers off my 2500 - no dice, and I have a 3/4 inch socket set with a 30" ratchet.
Just bought a Milwaukee electric chatter gun with 1500 ft lbs of torque. I'm sure I can either remove the bolts or snap them off now.
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Yes that M18 Milwaukee is a brute. I found out today not to hammer to long on a half inch bolt when you're tightening it.
__________________
2000 Winnebago Adventurer 32v, P32 Workhorse
2005 Winnebago Adventurer 38J W24 Workhorse 8.1l, 5 Speed Allison MH2000
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