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Guest Message by DevFuse

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3 sp auto - no 4WD...

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3 replies to this topic

#1 bean


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Posted 30 January 2004 - 07:46 PM

Hi guys,

My 86 GL-10 Turbo wagon has lost drive to the rear wheels. Pressing the 4WD button does nothing whatsoever, but the lights for 4WD are lighting up on the dash - and the fuse is good.

Is there a simple fix for this like cleaning the govenor fixes forward speeds?

I'm not real worried as it drives and shifts fine in 2wd - but we have some of the worst weather here now and no 4WD makes it just like any other car, and that's no good!

If it's a simple fix I'll attempt it, if the tranny is shot, it's not a big loss - car is turning into a parts car for the new 87 wagon I bought that has less rust.



#2 GLCraig



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Posted 30 January 2004 - 09:04 PM

The 4wd on a 3speed auto is controlled by a solenoid that opens and closes the valve that controls the flow of fluid to the rear clutch pack. What I would do is unplug the solenoid and see if you're getting 12v from the wiring harness when the button is pushed in.

#3 junkyardgabe


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Posted 30 January 2004 - 10:25 PM

ya more then likely your 4x4 soleniod is burned out or unplugged

#4 bean


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Posted 30 January 2004 - 11:12 PM

I'll check out the solenoid ASAP. Prediction is for 15 - 20 CM in the next 24 hours.

Crazy blizzard conditions and the poor Subie just isn't itself without 4WD. Still great in 2WD- but MAN does 4WD rock!!

Can anyone tell me where it is located on the tranny? My garage is snowed in and I wouldn't be able to get to it in 2WD. I'll have to head into the storm and get under the car tomorrow to see if it is unplugged - or is it accessible from the top?



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