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Old 10-04-2008, 01:58 PM   #1
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4 Wheel drive won't disengage

I've got a '92 Runner, I've already rebuilt the engine and the tranny. Now the 4 wheel drive won't disengage. Then, my wife drove it on the freeway and said that it was slamming. I've bout had it with this lemon of a yota. As far as I know I'm the second owner and it only has 176k on it. Should I just cut my losses or dump another chunk o' change in to it?
At this point I'd take $2000 for it
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Old 10-04-2008, 02:09 PM   #2
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Your 4Runner uses vacuum to engage and disengage 4 wheel drive. On the passenger side fender, there are two VSV (vacuum switching valves) that are responsible for sliding a sleeve in and out of place to engage or disengage your front axle.

http://www.off-road.com/trucks4x4/ar....jsp?id=399612

When you did the rebuild, you may have swapped over the vacuum lines by mistake. Read that link and you should be able to troubleshoot it pretty easily.
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Old 10-04-2008, 02:46 PM   #3
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Last edited by 1stgen4gunner; 10-04-2008 at 02:48 PM.
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Old 10-04-2008, 02:46 PM
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