Question about 1992 Mitsubishi 3000GT

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Pulling harmonic balancer pulley from 300gt crank gear that runs timing belt wants to come off with it . I have removed center bolt but cannot get gear loose from pulley. It appears that the end of a pin or screw is visible going through the back pully and through the gear

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The pin is normal, that is just for alignment. It will stay in the gear when you slide the pulley off.

Spray the crank with penetrating oil where the pulley slides over it and let it sit a while.

Take a hammer and lightly tap around the perimeter, as close to the center as possible. This often helps free up stuck pulleys.

Then using both hands try to walk the pulley off, applying pressure at exact opposite sides of the pulley.

If it still won't give, place the center bolt loosely in the crank (to prevent a pulley landing on your toes) and use two equal length prybars and place them behind the pulley at exact opposite sides and using the frame rail for leverage give even pressure to both sides until it slides free.
Do NOT use extreme force with this method as you can damage the harmonic balancer rubber in the pulley. Just use steady even pressure. It will come off with persistence, they all do :)

Posted on Sep 11, 2009

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