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Old 03-06-2004, 09:56 PM   #1
bad71gmc
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Join Date: May 2002
Posts: 71
4x4 question

I know this isn't a question about a 67-72 but you guys are more knowledgable than any of the other people so maybe you can help me out with this problem I have a '88 k1500 pickup and I was having trouble with the acuator activating and the last time it did engage and I went to take out of 4x4 the indcator still shows the front axle locked up and indeed it is still engaged.
I have tried driving it in 2 hi and shifting back and forth between 2 and 4 wheel drive and it will not disengage.
If the acuator is bad could it keep the differential locked up??
also if the acuator is removed should it disengage the front axle??
Thanks for the help!!
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Old 03-06-2004, 10:28 PM   #2
kwmech
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Yes and Yes, if you remove the actuator it will disengage the axle.
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Old 03-06-2004, 10:40 PM   #3
bad71gmc
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I removed the acuator from the housing and the axle is still locked up, what could be causing this??
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Old 03-07-2004, 12:28 PM   #4
bad71gmc
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TTT
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Old 03-07-2004, 09:29 PM   #5
bad71gmc
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I got the axle disengaged, but when I pulled the acuator out it had a dirt film on it and I think that the inside of the differential is the same and it caused the collar that locks the axle to not slide as it should.Does anyone know of a additive that I could put in the fluid to clean the inside of the differential out as it has no cover that can be removed to clean it out. If I could clean it out and put in fresh gear oil I believe that my problem would be solved.
So any sugesstions on an additive that would clean it out??
Thanks
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