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Front diff. backlash adj.

This is a discussion on Front diff. backlash adj. within the Engine and Drivetrain forums, part of the Technical category; hi. i already posted about 1 month ago a problem with my front diff. making a funny noise. I changed all the bearings and the ...


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Old November 14th, 2011, 04:37 AM
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Front diff. backlash adj.

hi. i already posted about 1 month ago a problem with my front diff. making a funny noise. I changed all the bearings and the roll cage and it still make the noise. i suspect the ring and pignon gears to be worn uneven and i would like to play with the backlash adj, to see if it changes anything but the screw is jammed pretty good. Any idea on how to loose it? is it suppose to be so tight?
thanks
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Old November 14th, 2011, 05:00 AM
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Re: Front diff. backlash adj.

Turn the allen adjuster in until it makes a slight drag (you can feel the diff from free to having a slight contact)... Make sure you use Blue Lock Tight on set screw...
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Old November 14th, 2011, 06:20 AM
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Re: Front diff. backlash adj.

I wish it was that simple... Like i said, it is set in pretty tight, not moving at all. I'm almost breaking the allenkey in it. It says in the service manual to heat it up with a heat gun but how much heat does it take to free it? I'm scared to warp the casing or melt the 12 volt wiring just beside it....
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Old November 14th, 2011, 06:36 AM
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Re: Front diff. backlash adj.

Quote: Originally Posted by gjem1 View Post
I wish it was that simple... Like i said, it is set in pretty tight, not moving at all. I'm almost breaking the allenkey in it. It says in the service manual to heat it up with a heat gun but how much heat does it take to free it? I'm scared to warp the casing or melt the 12 volt wiring just beside it....
Use a propane torch on the set screw, heat it and immediately break it loose... Then put a wet rag on the housing to cool it off right away...
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Old November 14th, 2011, 06:08 PM
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Re: Front diff. backlash adj.

propane torch !?! i will try that.
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Old November 16th, 2011, 08:46 PM
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Re: Front diff. backlash adj.

Keep in mind your only needing enough heat to loosen the LocTite installed at the factory setting. Maybe insert a allen wrench and heat the wrench, should warm it just enough to break loose, then remove and clean..... play with adjustment then reinstall with new Loctite.

Just curious, how loose are your splines of the inner CV inside the output hubs?
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