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Unread 02-16-2013, 12:59 PM   #1
SDF
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1978 CJ7 
 
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speedometer cable troubles

In my 1978 CJ7 the speedo cable sheared off right as it enters the transmission and I don't exactly know how to get it out?

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Unread 02-16-2013, 01:49 PM   #2
13riverking
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Mine broke. I just bought a GPS from the pawn shop that displays speed for 30 bucks. Just an idea.
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Unread 02-16-2013, 03:40 PM   #3
agear
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what transfer case do you have. It's probably still in the speedometer gear in the transfer case and if it's a dana 300 transfer case it should be removable.
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1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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Unread 02-16-2013, 03:55 PM   #4
Ivehad4
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Magnet?
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Unread 02-17-2013, 06:42 AM   #5
gojeepin
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Quote:
Originally Posted by SDF View Post
In my 1978 CJ7 the speedo cable sheared off right as it enters the transmission and I don't exactly know how to get it out?
Quote:
Originally Posted by agear View Post
what transfer case do you have. It's probably still in the speedometer gear in the transfer case and if it's a dana 300 transfer case it should be removable.
The end broke off in the speedometer gear. As agear stated, if you have a Dana 300 take the speedometer gear out of the transfer case. Note the cover's orientation when you do because how it's clocked sets the gear to the proper position.

Taking the gear out should be about a 5 minute job. Getting the cable end out of the gear... well, that could be a while.
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83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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Unread 02-17-2013, 09:46 AM   #6
SDF
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I think i have a dana 20 transfer case.
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Unread 02-17-2013, 09:50 AM   #7
SDF
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I am pretty sure I have a Dana 20 model transfer case. I should be able to get it out of the case if I knew how to get the bolt off? Any ideas?
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Unread 02-23-2013, 08:16 PM   #8
agear
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On my dana 300 , it's just a regular bolt holding a clamp on the speedometer gear. Whats the issue with getting the bolt off you're having ?
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1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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Unread 02-23-2013, 08:24 PM   #9
Cutlass327
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On the D20, you should be able to still get to the end of the gear without really removing it. A mechanic's pick or dental pick set or a magnet should remove it. Unless it is wedged, maybe even a hard burst of air from a air hose blow gun will pop it out enough to get it with a pair of needle nose pliers.
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1978 CJ5 258/T177/D300, '86 D30/D44 WT axles, 'glass tub windshield frame, and fenders, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
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Unread 02-23-2013, 09:08 PM   #10
zillla
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Quote:
Originally Posted by SDF View Post
I am pretty sure I have a Dana 20 model transfer case. I should be able to get it out of the case if I knew how to get the bolt off? Any ideas?
I had the same thing happen on my 75 w/dana 20. I removed the old cable and the broken end came right out. OR you can use an adjustable wrench and unscrew the speedo gear assembly.. More than likely if the cable broke there the speedo is locked up.. At least thats what happened to mine. I ruined a brand new cable before I figured it out. And the internal drive gear is a slip fit and has never really engaged very well since. Some day I'll remove the output shaft and locktite it , but until then i use a speedo ap for my celery phone.
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Unread 02-23-2013, 09:28 PM   #11
Cutlass327
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My cable end rounded off, just from normal use. Make sure there are no kinks in your cable, and lube it. If it gets dry it can bind causing issues.
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1978 CJ5 258/T177/D300, '86 D30/D44 WT axles, 'glass tub windshield frame, and fenders, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
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