Author Topic: AUTO TRANS SHOT? First checks?  (Read 894 times)

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Offline hanajack

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AUTO TRANS SHOT? First checks?
« on: July 13, 2012, 02:56:08 PM »
Ref: 84 258 4WD, 81k orig mi.

     After 10 mile drive under 35 mph, had difficulty determining whether in Drive or second.  Stopped.  Started again with much noise and vibration.  Had to move on.  After 1 mile and another stop, car barely moved.  Tried to nurse it home [remote area].  No movement in any gear, but waiting a minute or so could hear it "clunk" into gear at which time it would move for 20 seconds, stop, wait - another 20 seconds to 10, - ten to five seconds, five to two seconds.  Got it to a side road where a friend happened by and towed it home.

     Any diagnosis, opinion, tip, information greatly appreciated.

Offline eaglefreek

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Re: AUTO TRANS SHOT? First checks?
« Reply #1 on: July 13, 2012, 03:13:09 PM »
Of course the first thing to check would be fluid level of the transmission and see if it is brown or smells burnt. The second thing I would check is to make sure the transfer case isn't in a false neutral. Do a search on false neutral. But it does sound like a transmission issue. 
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Offline carnuck

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Re: AUTO TRANS SHOT? First checks?
« Reply #2 on: July 13, 2012, 10:16:30 PM »
Actually, it sounds like mine did when the rear end blew.
'87 Comanche 4.0L AW4/NP242 3.73 gears, lifted 5" on near new 33" tires $3500 obo
'82 Eagle Wagon (Brown Betty) 4.2L/727/NP229 and soon 8.25 rear axle and non-vacuum 3.08 front to match. 235/75/15 tires. It's down to minor body work (someone creamed my driver's door but I have another in good shape) almost rust free and interior work (seats are worn and carpet torn). $2000 but about to go up due to more work being done.

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Offline txjeeptx

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Re: AUTO TRANS SHOT? First checks?
« Reply #3 on: July 14, 2012, 12:14:25 AM »
Good, you got the driveshaft replaced. Sounds like it might be low on fluid, but could be suffering from cracked torque converter drive notches, which would cause the trans to drain/leak out a lot of fluid while parked overnight or a long day, which would leave you with a low fluid level. The pump sucks up nothing but air, so the bands cant hold, and the car goes nowhere. Low fluid also means less fluid to handle heat, so fluid can break down and burn, also parts get hotter with less fluid volume to cool them. Its a problem that feeds on itself.
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Offline hanajack

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Re: AUTO TRANS SHOT? First checks?
« Reply #4 on: July 17, 2012, 03:17:45 PM »
     Thanks to all.  I have moved topic to:  TRANSFER CASE – “FALSE NEUTRAL”


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