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Guest Message by DevFuse
 

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four wheel drive doesn't work


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5 replies to this topic

#1 orviszj

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Posted 07 September 2005 - 08:38 AM

I HAVE A 1992 LEGACY AWD ONLY THE FRONT WHEELS DRIVE IT A 2.2 NON TURBO AUTOMACTIC THE FWD LIGHT IS NOT ON NO FUSE IN HELP THE REAR WHEELS DO NOTHING BUT GO ALONG FOR THE RIDE

#2 Slegacy96

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Posted 07 September 2005 - 09:02 AM

Did you ever have it towed on a truck other than a flatbed?

#3 1 Lucky Texan

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Posted 07 September 2005 - 09:10 AM

I HAVE A 1992 LEGACY AWD ONLY THE FRONT WHEELS DRIVE IT A 2.2 NON TURBO AUTOMACTIC THE FWD LIGHT IS NOT ON NO FUSE IN HELP THE REAR WHEELS DO NOTHING BUT GO ALONG FOR THE RIDE


Have you had a mechanic look at it? When did this happen? After some work was done or a wreck or a flat tire?

Carl

#4 subyrally

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Posted 07 September 2005 - 10:00 AM

pretty common issue in the 4eat tranny, they have an electronic center diff that like to burn out basicaly, at around 120k miles. i have seen a lot of older legacies that are no longer awd due to the diff burning out.
have a mechanic look at i, they might be able to repair or replace it.

#5 orviszj

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Posted 07 September 2005 - 01:29 PM

electronic center diff IS THERE ANYWAY TO ENGAGE IT I DO NOT KNOW IF ITS BEEN TOWED JUST BOUGHT IT THEN FOUND OUT THE 4X4 DID NOT WORK [IN MUD] SOMEONE TOLD ME IT COULD BE A SELIOD COULD BE BAD [COULD IT] IF THE electronic center diff IS BAD IS THAT ON THE BACK OF TRANSMISSION??

#6 1 Lucky Texan

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Posted 07 September 2005 - 02:36 PM

electronic center diff IS THERE ANYWAY TO ENGAGE IT I DO NOT KNOW IF ITS BEEN TOWED JUST BOUGHT IT THEN FOUND OUT THE 4X4 DID NOT WORK [IN MUD] SOMEONE TOLD ME IT COULD BE A SELIOD COULD BE BAD [COULD IT] IF THE electronic center diff IS BAD IS THAT ON THE BACK OF TRANSMISSION??


When everything is working (no failed devices) slip is detected and the pulse train sent to the duty solenoid C is altered to help distribute power to the front or rear of the car away from the slippage. If 12 Volts continuous is supplied to the solenoid (by putting in the fuse in the proper slot under the hood) the system becomes front wheel drive.

I suppose removing voltage from the solenoid or if it were 'bad' (open) would give you 4WD all the time - UNLESS the wet clutch pack were bad in the tailshaft of the tranny. Assuming your rear diff isn't blown or some odd part of the rear drive line were missing - I'd say the clutch pack is burnt up.

Carl




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