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Unread 10-04-2013, 10:56 PM   #1
love2offroad
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1994 ZJ 
 
Join Date: Apr 2013
Location: Pleasant Grove, Utah
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Transmission/Transfer case/Driveline issue?

Sorry guys. I'm sure there is a thread somewhere similar, but bear with me. I took my jeep into a shop today to have my SYE installed. A little background. I have a 94 Jeep Grand Cherokee with the 5.2L motor, 249 Transfer case. I had a 231 that I pulled out of another Grand at the junkyard. I'm kind of poor so building my jeep is painstakingly slow. I need 4wd before winter and the first snow is starting up in the mountains. (I pulled front drive shaft out of my jeep because I was going to be doing the transfer case swap with SYE so I've been running 2wd all summer and my old front shaft was garbage) I picked up my jeep from the shop and I don't yet have drivelines because all the shops are closed and I don't have a driveline long enough. My question is when I got home towing it from the shop I put the transmission in park and it started to growl? What is causing it? I plan to get drivelines first thing next week, but until then I have no vehicle. Any help appreciated. Oh, almost forgot, I have not done the plugs behind the VIC and my speedometer said I was going about 12 mph while sitting still in neutral. Will this be fixed by the plugs?

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Unread 10-05-2013, 09:26 AM   #2
Evildriver-3
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You have no front or rear shaft in the truck and put it in park with it running ?
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Unread 10-05-2013, 06:13 PM   #3
love2offroad
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Affirmative. Just put a slip yoke eliminator in and haven't been able to get a new drive shaft.
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Unread 10-06-2013, 03:02 AM   #4
uberxj92
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If you don't have a drive shaft installed the Tranny and Tcase will spin in neutral. That growl was the Parker pin in the Tranny trying to stop the spin. Don't do it any more its hard on the Tranny.
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Unread 10-06-2013, 03:58 PM   #5
love2offroad
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I put it in park out of habit, it growled, so I put it back in neutral and shut it off. Would having no drive shafts in also be throwing the speedometer off? It said I was going about 12 mph whether I was sitting still or while being towed while in neutral? Thanks again for your replys.
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Unread 10-06-2013, 08:07 PM   #6
uberxj92
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Yes it will. The speedo reads the output shaft so it was turning at 12 mph.
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Unread 10-06-2013, 09:15 PM   #7
love2offroad
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Thanks uber. Trying to find info on this type of stuff is like trying to find a needle in a haystack... And of course worst case scenario happens, I am supposed to work out of town tomorrow. And tuesday by the time I get home from work all the driveline shops will be closed. FML. So hopefully Wednesday I can have my shaft built and put in.
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Unread 10-07-2013, 06:56 AM   #8
Evildriver-3
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When you put a vehicle in drive without your foot on the brake what happens ? without the weight of the vehicle and axles now you see how much drag that has on the vehicle since it doesn't jump to 12 mph...

Now you don't throw your vehicle in park while running along at 12 mph ? but you just did that , only difference was the vehicle itself wasn't moving at 12 mph, but the drivetrain was
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1995 Jeep gc ltd, 2005 Jeep gc ltd , 71 Dart, 73 RR 440-6pk, 78 Mag GT, 85 Power Ram W-350, 92 Daytona, 99 Dakota, 08 Ram 2500

Less than 8 is like playing with half a deck
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Unread 10-09-2013, 10:51 PM   #9
love2offroad
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Just so you guys know. I got my new rear shaft installed tonight in the rain, took it for a test drive and all is well. Other than the fact that my VIC says I'm in 4Lo. Next project is to change plugs behind the VIC so it will read properly and fix transfer case linkage. Thanks for the feedback.
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Unread 10-11-2013, 01:44 AM   #10
love2offroad
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On a side note. The extra power being transferred to my rear wheels is insane compared to before. Before the power was 80-20 or 50-50. Either way, where I am now getting 100% power to the rear wheels and not sending half my power to nowhere I was peeling out in the rain babying the throttle
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