Radiator Hose Pierced by Steering Arm? - JeepForum.com
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Unread 06-25-2013, 12:35 PM   #1
adman02
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1979 CJ7 
 
Join Date: Jul 2008
Location: Durham, NC
Posts: 294
Radiator Hose Pierced by Steering Arm?

Quick background:

I've been slowly resto/modding my 79. I finally got around to body work and paint. Here's the old and new color.

Old


New


Took her for a test drive today and I when I returned home, hot water was spraying out under the jeep. Apparently the steering arm clamp had poked a hole in the lower radiator hose. Also noticed that these two pieces are so close they're touching.



I know they shouldn't be this close, but (1) I'm not sure how they got that way, and (2) I don't know what to do to put some distance between the two. I tried raising the radiator and it ain't budging.

I also took a picture of the steering box brace on the other side.



Any thoughts on a remedy? BTW, there was a 4-in lift on the jeep when I bought it. I lowered it to 2.5, but haven't changed out the drop Pitman arm yet. Could that be related the to problem?

Lastly, my steering box is leaking. Is it possible to rebuild it? Or is it easier just to replace it?

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Unread 06-25-2013, 12:51 PM   #2
LumpyGrits
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1985 CJ7 
 
Join Date: Jul 2010
Location: The Mojave Desert Palmdale Ca. U.S.A.
Posts: 5,092
Remove the rad and re-drill the mounting holes 1/2-5/8" below what you have now.
Also check the body mount under the grill to see if it's still there.
Lucas power steering stop leaks works well. It takes about 200 miles.
LG
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Unread 06-25-2013, 01:40 PM   #3
wblackm
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1985 CJ7 
 
Join Date: Mar 2007
Location: South Carolina
Posts: 272
In addition to what LG said, I had a similar issue when I bought my cj. The PO had put radiator hoses on that was too long(Just because it is the hose for the CJ7 doesn't necessarily mean its a perfect fit). This caused the hose to bulge down and rub on the steering shaft. I caught this during one of my vehicle checks, order a new hose, and cut it to a proper length and have not had the problem since.

You could also look into a flex radiator hose, it might allow you some flexibility in routing it to the water pump...

One more thing I noticed-My radiator outlet was angle up at 45 degrees. It appears that yours might not be...

Also, a drop pitman are will not change this condition in any way, the lift, should not have affected this condition. Most lifts maintain the relationship between the steering shaft at the frame(the steering detriment from lifts comes from messed up geometry between the box and tierods, axle rotation etc.), the exception is a body lift, but that should move the steering box further away, not closer. Now if the Jeep had a body lift on it, and was rebuilt with the BL on, and you took the body lift out, you might could have some issues if the PO lowered the radiator from its original location...but I'd say that's a reach...
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Unread 06-25-2013, 08:11 PM   #4
adman02
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1979 CJ7 
 
Join Date: Jul 2008
Location: Durham, NC
Posts: 294
As part of the resto/mod I replaced the grill from a donor CJ. I guess the mounting holes are lower on the new-to-me one? I would have expected some sort of consistency in manufacturing...oh wait, this is AMC. Ha!
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Unread 06-25-2013, 08:19 PM   #5
skizriz
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1978 CJ7 
 
Join Date: Jun 2011
Location: , Pa
Posts: 3,644
I had the same problem when I removed my body lift. The steering felt "notchy" to me. Found that it was rubbing right where your was.
I just put a thick 1/2" washer under the grill mount to shim it up a hair.
__________________
78 CJ7 258 TH400/Dana18 SOA/stock YJ springs 35" General Grabbers.
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Unread 06-27-2013, 02:09 PM   #6
adman02
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1979 CJ7 
 
Join Date: Jul 2008
Location: Durham, NC
Posts: 294
Quote:
Originally Posted by LumpyGrits View Post
Remove the rad and re-drill the mounting holes 1/2-5/8" below what you have now.
Also check the body mount under the grill to see if it's still there.
Lucas power steering stop leaks works well. It takes about 200 miles.
LG
Worked like a charm. Thanks.

Also, I did have to trim the lower hose considerably, but now the steering is free and clear.
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Unread 06-27-2013, 02:28 PM   #7
LumpyGrits
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1985 CJ7 
 
Join Date: Jul 2010
Location: The Mojave Desert Palmdale Ca. U.S.A.
Posts: 5,092
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