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Unread 10-23-2008, 10:28 AM   #1
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1978 CJ5 
Join Date: Mar 2007
Location: Slatington Pa
Posts: 55
power steering box leak.

I know this has probably been covered already but Im pressed for time at work and dont have time for a good search. My power steering box is leaking from the back end by the steering shaft. Can you just replace the seal? Does it need pressed in? Ive seen rebuild kits for them but not just that seal. Mine works fine just leaks. Im already getting new hoses due to some dry rot. Thanx


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Unread 10-23-2008, 11:39 AM   #2
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1964 CJ5 
Join Date: Oct 2007
Location: Spring City, Pa.
Posts: 343
As far as I know, I think you can just replace the seal.
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Unread 10-23-2008, 12:27 PM   #3
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1978 CJ5 
Join Date: Mar 2007
Location: , Cowhampsha
Posts: 455
Figure out exactly where it is leaking from first. If it is around the the adjuster ring it's the adjuster plug o-ring seal. If it is around the stub shaft (splined shaft) it is the dust and stub shaft seals. If it is between the stub shaft and the torsion bar,(protruding nipple) It is the rotary valve assembly and that will need to be replaced which means rebuild. Rotary valve assembly:

You can replace the adjuster plug o-ring and stub shaft seal separately.
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Unread 01-11-2009, 09:20 PM   #4
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1982 CJ7 
Join Date: Sep 2007
Location: raleigh, nc
Posts: 147
I'm having the same problem- fluid leaking from the stub shaft end of the box. Several times above its mentioned that you can just replace the seal- anyone know where to get them? Don't see any in the normal catalogs.
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Unread 01-12-2009, 05:24 AM   #5
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1998 TJ Wrangler 
Join Date: Oct 2008
Location: New Bloomfield, PA
Posts: 420
My '85 had a bad leak that started shortly after I began running 33"x12.5" tires. At the advice of other forum members, I bought some Lucas Power Steering Stop-Leak. It cost a couple bucks and stopped it immediately, which saves me from having to keep dumping in more power-steering fluid, until I can replace the box.

Forum members also suggested buying a PSC box ($200-$300, atleast) because replacing the seals is a pain and usually doesnt last. Also, my box is really worn and I have about 1"-2" of play in my steering wheel. I look at it as an anti-theft system...someone steals it, they're gonna wreck about 500 ft. later!!
'98 Sport, 5 Speed. Green Emerald Metallic. Bestop soft top.
BDS 2" lift, AR steel wheels, 31"x10.5" Goodyears. Stock axles, stock 3.07 gears.

Immigrant from the CJ world...be patient...I can be taught
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Unread 05-17-2011, 09:55 AM   #6
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1973 CJ5 
Join Date: Dec 2010
Location: Phoenix, Az
Posts: 102
Old thread here but that play in your steering wheel, is more likely to be your steering shaft joints with the play. buying a new shaft would fix that problem. good luck all.
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