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Unread 10-02-2013, 08:12 PM   #16
AF-Jeff
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1979 FSJ Cherokee 
 
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Quote:
Originally Posted by jeepdaddy2000 View Post
Is it a Q trac? Might want to insure the t case isn't in emergency drive. Not uncommon for binding of the drivetrain to occur with the front axle engaged.
It is. I can check but I doubt i is engaged.

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Unread 10-02-2013, 08:29 PM   #17
super98lsc
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Once verified..what does it do of you lightly power brake it? Try it in first and reverse
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Unread 10-03-2013, 08:57 PM   #18
AF-Jeff
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Quote:
Originally Posted by super98lsc View Post
Once verified..what does it do of you lightly power brake it? Try it in first and reverse
What exactly would I be looking for? Brakes work, I haven't noticed anything unusual.
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Unread 10-03-2013, 10:25 PM   #19
pleontks
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did you make sure your tcase was in hi? Maybe cycle it through hi/lo a couple times. Up is lo, middle is neutral, down is hi.
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Unread 10-04-2013, 11:43 AM   #20
AF-Jeff
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Originally Posted by pleontks View Post
did you make sure your tcase was in hi? Maybe cycle it through hi/lo a couple times. Up is lo, middle is neutral, down is hi.
That is that lever on the side of the hump on the floorboard right? Last time I tried messing with that it would only move up and down half the time and only when the engine is off. If I put it in low then turned the engine on and put it in drive I wouldn't be able to put it back in park without the gears grinding.
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Unread 10-04-2013, 09:52 PM   #21
pleontks
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gotta do it with tranny in neutral at 0-3 mph
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Unread 10-05-2013, 12:38 PM   #22
AF-Jeff
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okay I'll try it
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Unread 10-05-2013, 01:45 PM   #23
pleontks
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if the gears grind when you put it in drive, your low range is in neutral. Down (hi) is on the floor. Level is neutral, lo is definetly pointed up
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Unread 10-13-2013, 10:15 AM   #24
BJ's Off-Road
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Quote:
Originally Posted by jeepdaddy2000 View Post
Is it a Q trac? Might want to insure the t case isn't in emergency drive. Not uncommon for binding of the drivetrain to occur with the front axle engaged.
Binding of the drivetrain shouldn't cause it to slow down...

Now if it is a Quadratrac and someone put the wrong fluid in it, chances are the clutches are slipping and burned themselves out which would explain what happened.

So, could be the transmission or could be the transfer case if it is a Quadratrac...
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Unread 10-13-2013, 10:08 PM   #25
AF-Jeff
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I'm taking it in to get it inspected this week. It's showing clear signs of slipping. only a matter of how bad it is
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Unread 10-16-2013, 11:26 PM   #26
AF-Jeff
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Quote:
Originally Posted by pleontks View Post
if the gears grind when you put it in drive, your low range is in neutral. Down (hi) is on the floor. Level is neutral, lo is definetly pointed up
Can't get it to engage. I had it sitting in neutral not moving and the lever would move to neutral but wouldn't go into low or back into high. Couldn't put it back into park either. had to turn off the engine in order to get it back into high without the gears grinding.
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Unread 10-18-2013, 09:15 AM   #27
super98lsc
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Presuming you mean neutral on the transmission..... How high is your idle? As these trans manual valves age they can begin to allow a little fluid to seep past the valves in the bore, that in turn can allow some Neutral creep which is essentially the output shaft still turning a little bit... usually in a forward direction. Lowering the idle will lower the line pressure and may help. You can test this by ensuring the truck is in 2wd and jacking up the back end and use stands then with the engine idling shift the trans from park to neutral. Blip the throttle. The wheels will want to spin sorta like its in gear but slipping. Check the linkage on the trans make certain its adjusted right and not partially between detents.
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06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 10-18-2013, 11:25 PM   #28
AF-Jeff
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Quote:
Originally Posted by super98lsc View Post
Presuming you mean neutral on the transmission..... How high is your idle? As these trans manual valves age they can begin to allow a little fluid to seep past the valves in the bore, that in turn can allow some Neutral creep which is essentially the output shaft still turning a little bit... usually in a forward direction. Lowering the idle will lower the line pressure and may help. You can test this by ensuring the truck is in 2wd and jacking up the back end and use stands then with the engine idling shift the trans from park to neutral. Blip the throttle. The wheels will want to spin sorta like its in gear but slipping. Check the linkage on the trans make certain its adjusted right and not partially between detents.
Well I got to say I'm new at this whole fixing cars stuff but I'll be sure to try and figure out how to do what you just said after I fix the transmission
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Unread 10-22-2013, 12:27 AM   #29
carnuck
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Originally Posted by jeepdaddy2000 View Post
Is it a Q trac? Might want to insure the t case isn't in emergency drive. Not uncommon for binding of the drivetrain to occur with the front axle engaged.
exactly what I'm thinking. In edrive the suspension would wind up and slow it down. I also put a can of STP in my TH400 trans to improve it's performance and cut the heat. If the filter is clogging up, it will slow down like that. Shutting it off for just a couple minutes and starting again will make it like normal again.
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Unread 10-22-2013, 11:48 PM   #30
AF-Jeff
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Quote:
Originally Posted by carnuck View Post
exactly what I'm thinking. In edrive the suspension would wind up and slow it down. I also put a can of STP in my TH400 trans to improve it's performance and cut the heat. If the filter is clogging up, it will slow down like that. Shutting it off for just a couple minutes and starting again will make it like normal again.
Tried STP didn't do jack squat. Turning it off didn't do anything either. I dropped it off at the shop today. Fingers crossed
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