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Lock Engine to Pull Crank Bolt #1104581
09/27/18 08:16 PM
09/27/18 08:16 PM
KWitcher  Offline OP
Getting the Wheeling Fever
Joined: Jul 2011
Posts: 68
I have a wobbly crank pulley. When I tried to turn the bolt to remove it, the bolt was somewhat loose. I got the bolt about half way out but must be hitting a bad spot on the threads because it got tight and now I am turning the engine. How can I lock the engine so that I can remove the difficult bolt?

The other methods in here talk about locking the pulley. That doesn't help me because engine turns w/o the pulley. Surely there is a way to block the engine or transmission for the removal of the bolt. I may need the same method for torquing since I dont know where to find that special tool to lock the crank pulley.

Any help really appreciated.


Last edited by KWitcher; 09/27/18 08:17 PM.

95 Montero SR
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Re: Lock Engine to Pull Crank Bolt [Re: KWitcher] #1104583
09/29/18 03:24 AM
09/29/18 03:24 AM
rxinhed  Offline
Trail Leader
Joined: Feb 2005
Posts: 7,187
Gerber, CA *****
Try removing the transmission bellhousing inspection cover and block the ring gear. Fill the pistons with air using a manifold and air through the spark plug holes...this is not a serious suggestion. Can't think of any other methods, short of air tools.

1988 Mighty Max turbo 2.6 service body
1980 Power Wagon W400
Sundry Mitsubishi Montero Gen 1 parts, Gen 1 and Gen 2 Max parts
Parts vehicles: 89 LS Montero 4-door, 2002 Sport AWD
For Sale: 1989 Power Ram 50 extended cab, #277 Montero
Re: Lock Engine to Pull Crank Bolt [Re: rxinhed] #1104584
10/03/18 07:54 PM
10/03/18 07:54 PM
Oso  Offline
Rock Warrior
Joined: May 2012
Posts: 660
SF Bay *****
i use a chain wrench on the pulley to stop everything from moving. be sure to use a section of old fan belt in the groove to avoid damage.

90 LWB - Not your average bear

"You are what you are, and you ain't what you ain't." - John Prine
Re: Lock Engine to Pull Crank Bolt [Re: KWitcher] #1104585
10/04/18 01:20 AM
10/04/18 01:20 AM
MarkG  Offline
Body Damage is Cool
Joined: Feb 2001
Posts: 2,317
Scaly Mountain, NC, USA *****
Would an impact wrench (air or electric) work? Maybe it could back the bolt out without causing the crank and pistons to rotate.

98 6G72 Montero Sport, R D Lock, 31x10.5

02 6G74 Montero Limited
Re: Lock Engine to Pull Crank Bolt [Re: KWitcher] #1104629
10/21/18 09:48 PM
10/21/18 09:48 PM
JAVYPRO  Offline
Body Damage is Cool
Joined: Feb 2001
Posts: 1,974
Buford, GA USA
I had to lock it from the can gear using a rope.


Attached Files
1990 3.0L.jpg (4 downloads)

88 red Montero with the Dakar Special Edition decals, 438,000 miles (As of 7/23/2012) some occational blue puffing but still strong and counting!!! I am going ppsshhh (turbo), Stay tuned =) ...

Moderated by  Macka, Mudraider, off-roader, PajEvo, rxinhed 

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