Tranny help - JeepForum.com

 
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post #1 of 15 Old 06-29-2011, 09:03 PM Thread Starter
1981policecj7
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Tranny help

I just bought a 1981 Jeep CJ7 4.2 straight 6 with a 4 speed manual. Took it to the shop to get a full tune up done, didn't have the time to get it done myself and it needed one bad. Picked it up from the shop, drove 2 miles, and the tranny went . Can't find any gear at all. Depending on the cost to replace whatever is wrong with it, I was thinking about just ordering a new tranny. If I were to do that, where would I go to get it?

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post #2 of 15 Old 06-29-2011, 09:22 PM
BagusJeep
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Scrapyard?

I think you Americans call them a Pull a Part?

When you say you cannot find a gear what are the symptoms? Which gearbox do you have?

My wife has a T176 four speed which you may also have. The gears went because the pins which hold the gearstick in the top of the trannie fell out, someone had lost the rubber boot that goes over the top to retain them. Pins are $20 so instead I filed down some bolts into pin shape and it is held toether with a Jubilee clip and gaffer tape. Works fine, you cannot see it, bodge I know.

By a new tranny do you mean brand new, remanufactured, serviced or second hand?

Novak transmissions have an excellent reputation and a remanufactured SM465 is available for $1590 which looks really nice. Shame I am totally flat broke having fixed the termites in the roof (of the house, not Bagusjeep)

You can pick up a T176, which you may already have, for anything from $50 up, count on around $200. A rebuild kit may run $200 but done properly will last quite a few years.
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post #3 of 15 Old 06-29-2011, 09:29 PM
80cj
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If you can't find any gear at all, It's probably just the shifter.
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post #4 of 15 Old 06-29-2011, 11:25 PM
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If you decide to toss the old one, please let me know. I am in need of a 4 spd.

I NEED A SINGLE 15X8 MICKEY THOMPSON OR SIMILAR ALUMINUM BULLET HOLE WHEEL!!!!

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post #5 of 15 Old 06-30-2011, 12:32 AM
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1981policecj7, first off welcome to the forums.

Second you need to determine what tranny you have. Based off of you year it is likely a SR4 or a T176. You can tell buy looking at the link in the trannys above or telling us where reverse is.

As 80cj said it is possible its a shifter issue. How mechanically inclined are you? If its a t176 and you have some mechanical ability finding the problem is not that bad and I can help. If is a SR4 someone else will have to help.

If you order a new or rebuild tranny you will likely pay a pretty penny for it plus shipping and then have to pay someone to install it if you cant. You best bet then would be to take it and have someone rebuild it locally for you.

So find out what you have and go from there.

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post #6 of 15 Old 06-30-2011, 06:46 PM Thread Starter
1981policecj7
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I appreciate the help. Dad had a CJ7 & Scrambler, so when my Mini Cooper got totaled, I finally got the chance to get a CJ7. We pulled the tranny out today and started to take it apart. 2nd was torn to shreds and the shift leaver inside the housing had pretty much exploded. Workin on a full tranny rebuild now as well as a clutch replacement. And no, it wasn't a junkyard Jeep. It used to be owned by a Sheriffs dept here in NC to go out into the fields and woods to bust marijuana growers. Sold to the Sheriff after they didn't need it anymore and he never drove it. 52,000 miles on the original engine, and it hasn't gone around the odometer yet.
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post #7 of 15 Old 06-30-2011, 07:35 PM
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Describe more about what you mean 'can't find any gear'...Is it possible that the TCase got bumped into N ?

Look for the simple stuff first...linkage? Clutch push rod? Shifter 'cup' ?

Same behavior no matter 2wH or 4wH? Front wheels locked at the hub?

Then...you can decide repair or replace.

Just my 2c
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post #8 of 15 Old 07-05-2011, 07:55 PM Thread Starter
1981policecj7
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Alrighty. Here is another tranny question. I need to order a new front bearing cap for the tranny, which is an SR4. I've been shopping around and I'm having one heck of a time finding one. Any suggestions?
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post #9 of 15 Old 07-05-2011, 08:04 PM
80cj
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Wonder if one from a T-5 would fit. As I understand, the T-4 is a T-5 without 5th gear.
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post #10 of 15 Old 07-05-2011, 08:07 PM
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I just looked at Krage's and they list the bearing retainer for the T-4 which is also the same part for a T-5 8134013.

http://www.jeepdoc.com/catalog/zproducts.asp?id=209
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post #11 of 15 Old 07-06-2011, 07:34 AM
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SR4 is a different beast from T4.

Did you try Quadratec?
http://www.quadratec.com/jeep-replac...ission/SR4.php
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post #12 of 15 Old 07-06-2011, 10:15 AM
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Oops, my bad. I guess I missread the post. Hmmm time for new glasses!
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post #13 of 15 Old 07-06-2011, 12:46 PM Thread Starter
1981policecj7
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Yeah I had seen the part listed at quadratec, unfortunately I called them and they didn't have the part. Some of these parts can be a pain to find. But I talked to a guy here in Fuquay who is gonna machine that part as well as the piece that connects the shifter inside the tranny housing. Should be up and running again by next Wednesday. I appreciate all the help guys. I had to laugh when my boss started rippin me for buying a 30 year old jeep that hasn't been running. Some people just don't get it I guess.
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post #14 of 15 Old 07-07-2011, 04:42 AM
rbunch4468
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another idea would be to do a quick search of your local Craigslist postings for 'SR4'...Sometimes you can find a tranny with broken parts for the right price, and harvest the parts you need and scrap the rest or part it back out.

Good luck...
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post #15 of 15 Old 07-07-2011, 05:45 AM
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You could try here also...

http://www.jeep4x4center.com/jeep-tr...warner-sr4.htm

85' CJ7, 258 I6, "Team Rush" Weber 38/MSD 6A, T-176 4-speed, twin-stick Dana 300, DANA 30 fore - AMC 20 aft with stock 2.73 gears, 31" tires, 8k winch, "Dirtworx" rear bumper/tire carrier. My Daily Drive, JustEmptyEveryPocket
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