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4X4 Low Engaged automatically

emonteror

New Member
Joined
August 15, 2006
Messages
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City, State
Caracas, Venezuela
Year, Model & Trim Level
97 XLT SOHC
Hi Explorers,

I have an XLT 1997 4X4 SOHC 6Cyl Explorer.
Recently when driving from work to house, the 4X4 Low was engaged automatically, i thought was my kid touching the 4X4 Selector switch, but not, it was really angaged automatically and the 4WD light was flashing.

I turned off the truck and the next day just after 30 minutes driving appeared the same behaviour, heard a sound like an explotion and was engaged again. This same problem started to appear every day, and there was no way to disengage it, it was 4WDLow all the time after several minutes of driving. The only way i found was to disconnect the shift motor beside of the transfer.

The questions,
Why happens this beheviour?
Is there some way to avoid it or fix it?

It is really dangerous, specially when driving at higher speed.

Thanks you a lot in advance.
emonteror from Venezuela
73 for Hamradios (YY5OFX) ;)
 






hello emonteror ,

Yes that is somewhat a dangerous and very destructive behavior. The explosion sound you heard probably did some damage to at least the transfer case as it switched into 4LO at high speeds (the vehicle is supposed to be stopped and in Neutral when you switch into 4LO)

The fact that you can disconnect the shift motor and never have the problem again means that the problem lies either within the shift motor, the selector switch, the wiring, or in the 4wd computer.

When the 4HI/LO lights blinked, it stored at least one code in the computer. I believe your best move is to have the computer scanned for the stored code(s). This will help you an idea as to what is wrong.
 






Tnx IZWACK,´
i think it it an electric/electronic issue. I will send it to the repair, but first will save some money, you know most repairs in my country are very expensive.
See you
73 Emonteror
 






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