post #1 of Old 02-21-2008, 11:23 PM Thread Starter
dragracer1199
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pitman arm nut size

what is the size of the pitman arm nut on a 78 cj5? looks like 1 1/2 or 1 1/4.

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post #2 of Old 02-22-2008, 06:44 AM
M79
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Not sure of the size. But when I pulled mine, I just used an oversized crescent wrench.
Then beat the handle of the wrench with a hammer... came right off.

maybe someone else knows the exact size? (bump.)
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post #3 of Old 02-22-2008, 07:16 AM
cj71983
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my 83 CJ7 is 1 1/8"
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post #4 of Old 02-22-2008, 07:25 AM
John N
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Every one I've done is 1 5/16",

'81 Scrambler w/ FI 360 AMC, 33x12.50 BFG M/T's, 5" of lift, ARB'd Dana 44's F & R, Dana 300 clocked & twin sticked w/4:1, Warn XD9000i, etc...
2002 Grand Cherokee Limited, 2008 Overland Grand Cherokee, a 1976 CJ-7 in pieces and 3 more off-brand 4x4s...............
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post #5 of Old 02-22-2008, 09:29 AM
Bard
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Quote:
Originally Posted by John N View Post
Every one I've done is 1 5/16",
x's 2 here.

85' CJ7 Laredo, 383 GM, Turbo 350, NP 203. SOA, 2" frame lift, 34" TSL swampers, Dana 30 open, AMC 20 w/ detroit locker, 4:10's, 1 Piece Mosers, 35" boggers to abuse when needed.
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post #6 of Old 02-22-2008, 03:06 PM
Patriot6
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Quote:
Originally Posted by John N View Post
Every one I've done is 1 5/16",
Just replaced the gear box last weekend on my '82 CJ-5, the bolt was 1 5/16" as the others have stated above..

1982 Jeep CJ-5 Renegade
Stock 258 (148k miles), T-176, D300 w/4:1 low
2.5" spring lift, 1" body lift, 33"x12.50" BFG MT's
D30 with Powr-Lok, AMC-20 with Lock-Rite and 1 piece axles, 4.10 gears
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post #7 of Old 02-25-2008, 10:46 PM Thread Starter
dragracer1199
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thanks, 1 5/16 it was.
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post #8 of Old 02-25-2008, 10:49 PM
John N
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Quote:
Originally Posted by dragracer1199 View Post
thanks, 1 5/16 it was.
So, what did I win?

'81 Scrambler w/ FI 360 AMC, 33x12.50 BFG M/T's, 5" of lift, ARB'd Dana 44's F & R, Dana 300 clocked & twin sticked w/4:1, Warn XD9000i, etc...
2002 Grand Cherokee Limited, 2008 Overland Grand Cherokee, a 1976 CJ-7 in pieces and 3 more off-brand 4x4s...............
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post #9 of Old 10-31-2013, 02:59 PM
hagan39
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Bump... does anyone know of a good source to actually replace the pitman nut???

Mine is toasted and needs replaced.
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post #10 of Old 10-31-2013, 06:33 PM
WSS
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Quote:
Originally Posted by hagan39 View Post
Bump... does anyone know of a good source to actually replace the pitman nut???

Mine is toasted and needs replaced.
It is probably a 7/8-14 jam nut, try fastenal
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post #11 of Old 11-01-2013, 09:49 AM
CSP
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Quote:
Originally Posted by WSS View Post
It is probably a 7/8-14 jam nut, try fastenal
That's a good place to look.

Just as an FYI, all the sizes mentioned above - 1-1/4", 1-5/16", etc are the sizes for the wrench/socket used to remove the nut. They are not the size to use when looking for a new nut.
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post #12 of Old 11-03-2013, 01:32 PM
jumper182
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Okay, dumb question, but could a new steering gear box have a different size than a 7/8-14?

I got a re-manufactured Cardone 27-6534 gear box, and new 7/8-14 nut will not go on it. I went back to the local auto store where I bought it, asked them, they pulled one from the shelf, tried a 7/8-14 and it would not work.

Ive looked online, no luck.

The threads look good, all thought I may have rolled the first thread trying to get the nut on, no more than 1/2 a turn.

The diameter of the shaft is .860, which leads me to think its a M22.
Thread count is 14 per inch.

Any suggestions?

Thanks
Mike
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post #13 of Old 11-03-2013, 02:02 PM
Spieg8
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Don't now for sure, but Saginaw did change to metric threads for the hose fittings in 1980, so you may be right about the M22 size on the pitman nut.
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post #14 of Old 11-28-2013, 12:52 PM
jumper182
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I was able to get it fixed....by filing off the first thread to get to clean straight ones.


I also got this information from the Tech email for Cardone

Here are the specs I have available..............


27-6534 power steering pump for 1980 jeep cj7

*** TYPE: SAGINAW

A): ID MARKS: EF

B): CASTING NUMBER: 5691676

*********** MOUNTING HOLES ************

C): NUMBER OF MOUNTING HOLES: 4

D): MOUNTING HOLE SIZE: 7/16X14

************ PRESSURE PORT ************

E): PRESSURE PORT THREAD SIZE: M18X1.5

F): PORT TYPE(SEAT/O'RING): O-RING

G): CHECK VALVE(YES/NO): YES

************* RETURN PORT *************

H): RETURN PORT THREAD SIZE: M16X1.5

I): PORT TYPE(SEAT/O'RING): O-RING

J): CHECK VALVE(YES/NO): NO

************* INPUT SHAFT **************

K): INPUT SHAFT OD: 0.875 (7/8)

INPUT SHAFT SPLINE OD: 0.800

L): NUMBER OF SPLINES: 31

M): ROTATION:STANDARD

N): NOTCH IN SHAFT(YES/NO): YES

O): GROOVE AROUND SHAFT(YES/NO):NO

P): POSITION OF FLAT @ CENTER: 9 O'CLOCK

Q): NUMBER OF TURNS: 4 1/8 (+/-1/8)

************ PITMAN SHAFT **************

R): THREAD SIZE: 7/8X14

S): NUMBER OF SPLINES: 32+4 BLANK

T): PITMAN SHAFT OD: 1.250

****************************************
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post #15 of Old 11-30-2013, 11:59 PM
WSS
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Good info, thanks for posting!

The buggered threads can sometimes be chased with a thread file. I carry one on the trails for all those 40yr old bolts we mess with. LOL

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