Yet another 4X4 question

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Dec 17, 2009 | 06:44 PM

Mid_Mo_F100

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From: Warrenton, Mo

Yet another 4X4 question

My problem is a little different, It will go into 4 hi, but when I try to go into 4 lo, it pops out of 4wd altogether (light goes out) and will not go back into 4wd until I shut the truck off and restart it. It has ESOF, no vacuum leaks that I am aware of. Any thoughts?

Dec 17, 2009 | 07:05 PM

zx250

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From: Concord NC

Check you shift motor(topside of transfer case) and make sure it's not loose.

Dec 17, 2009 | 07:32 PM

big poppa

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From: Lancaster, Pa.

When going from 4 high to 4 low you are putting the trans in nuetral then switching to 4 low right?? Do the same thing putting it in 4 high.

Dec 17, 2009 | 07:44 PM

CPUNeck

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From: Fort Campbell, KY

Quote:

Originally Posted by Mid_Mo_F100

I'd try new Hi-Lo and Lo-Hi relays, (they're just standard, 30amp automotive relays.) I just replace mine once a year after having this happen a couple hears ago.

Dec 17, 2009 | 08:46 PM

Mid_Mo_F100

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From: Warrenton, Mo

Quote:

Originally Posted by zx250

Check you shift motor(topside of transfer case) and make sure it's not loose.

Everything seems tight

Quote:

Originally Posted by big poppa

When going from 4 high to 4 low you are putting the trans in nuetral then switching to 4 low right?? Do the same thing putting it in 4 high.

Yes, I always do it in neutral. It will "clunk" like it is going into 4 low, but then instantly pops out and I lose everything. One time today it stayed in 4 low for about 10 feet and then popped out. The low range light never comes on either.

Quote:

Originally Posted by CPUNeck

I'd try new Hi-Lo and Lo-Hi relays, (they're just standard, 30amp automotive relays.) I just replace mine once a year after having this happen a couple hears ago.

I will look into that, thanks.