Quote:
Originally Posted by heckboy
My center diff is intermittent. I have been unable to find a pattern. Seems like when the truck is cold it works most of the time. When the truck is warmed up it works 25% of the time.
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Metal expands when hot. When cold there is more room/play for it to engage in. I've noticed the same thing with my truck and the
truck.
Quote:
Originally Posted by heckboy
When it is working the light comes on instantly. When it is not working I can drive in 4l for 15min. and it still won't engage.
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How are you driving to try and engage it?
My rear diff was extremely sticky. I drove probably for hours (over the course of several weeks) trying to get it to engage on dirt and gravel. It never kicked in. Finally, a buddy of mine (CJF) suggested trying it on pavement before I tore into it. It did finally engage, but remained sticky for a long time (and was difficult to get engaged).
After several months of engaging/disengaging it a fair amount, it's finally working pretty decently, but it is noticably slower than the center or front diffs (the front locks up almost instantly almost every time).
It really just sounds like it's sticky. The
was like that when we first got it, but using it a lot loosened it up and now it works like a charm.
When you can drive it and get it to engage, I would just repeatedly engage and disengage it at least a dozen times. Obviously wait until it's fully dis/engaged before cycling it. If you can't get it to go in after a few tries, don't try and force it, just wait until you have time for another go at it.
Driving side to side and reversing can help get it in (or out) too.