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Unread 12-13-2010, 07:04 PM   #1
Eric1080
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1978 J-Series Truck 
 
Join Date: Aug 2008
Location: Dillon, CO, Colorado
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dana 20 slipping out of 4hi

my dana 20 keeps slipping out of 4 hi. it stays in 2wd and 4lo fine. but in 4hi it will start grinding the gears and slowly slip out after a while. if i just put pressure on the shifter (forward) it stays in gear and is quiet. btw it is the dana 20 that shifts from dash to seat: 4hi-2hi-n-4lo. thanks for the help

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Unread 12-13-2010, 07:09 PM   #2
Jeepsense
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2002 TJ Wrangler 
 
Join Date: Oct 2010
Location: Jacksonville
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i had a similar problem in my tj. on the transfer case on the drivers side there is an adjustment that slides on a bolt. make sure that is tight and fixed in a position where it wont slip out. best of luck!
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Unread 12-25-2010, 04:10 PM   #3
carnuck
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1984 J-Series Truck 
 
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Bungy cord to the dash to keep it in gear for now.
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Unread 12-25-2010, 05:12 PM   #4
Eric1080
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good call about the bungy. do you think the twin stick will help?
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Unread 12-25-2010, 06:23 PM   #5
carnuck
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It should. Probably the detent is weak that holds it in high and the rubber boot on the shifter is what's popping it out.
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"Usually found in a Jeep near Reiter, WA"
FOR SALE STUFF
http://tinyurl.com/jimsclads

'81 Eagle wagon with upgrades $2500
'87 Comanche shortbox 4.0/AW4/NP242 on 33" tires $3500
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Unread 01-20-2011, 01:30 PM   #6
Eric1080
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1978 J-Series Truck 
 
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looked at the linkage again today. been slipping outta 4lo into 2lo. it looks like the passenger side linkage is wobbly. i tried to grab it and see if it was the issue- seems to be loose enough to slip out of gear. would a twin stick fix this issue??? (im buying one in the spring but if itll make it stay in gear ill get it now)
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Unread 01-20-2011, 01:31 PM   #7
Eric1080
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oh and just another note- when in 4x4 (either hi or lo) it sometimes grinds for a few seconds then stops.
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Unread 01-27-2011, 07:47 PM   #8
JeepOrvis97
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1997 ZJ 
 
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Location: Hudson, OH
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Do you have the "U" shifter? Short and to the point....I would just get a twin stick and call it a day.

Now long but still to a point.....I tried to be thrifty and fix my u shifter up but it never worked and would pop out of gear and the only gear I could usually get it back into was 4 low....that was fun driving home luckily I never left the city while I was having this problem. For the record mine actually broke when the driveshaft snapped when the PO owned it and hit the shifter and broke one of the links coming out of the shifter.
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Unread 01-27-2011, 08:41 PM   #9
Eric1080
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its straight shift pattern. i used a couple zip ties and a couple pieces of metal scraps and tightened up the far right stick. it was wobbly and its a billion times better now. now i can save up and fix the ball joints and add a locker to the rear before i HAVE to twin stick it.
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Unread 01-28-2011, 09:09 AM   #10
CSP
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A twin stick won't correct loose detents in the shift rods. Stronger springs under the poppet balls would help though.
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Unread 01-28-2011, 09:18 AM   #11
Eric1080
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Location: Dillon, CO, Colorado
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so i need to drop the case and rebuild it? im a noob. i appreciate the help tons guys
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