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Power steering high pressure hose


This is a discussion on Power steering high pressure hose within the How To forums, part of the Jeep Liberty - KJ (02 to 07) category!
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Old 01-03-2011, 05:52 PM   #1 (permalink)
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Default Power steering high pressure hose


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I have a 2005 Jeep liberty 3.7L. I took it to a shop because i'm leaking power steering fluid, the mechanic just called and said its my high pressure hose and return hose that's leaking, and he wants $400 to fix it. Does anyone one know how hard it would be to do this myself? Any special tools required? Thanks,
-Scott

Last edited by sjtilney; 01-03-2011 at 06:13 PM.
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Old 01-06-2011, 05:45 PM   #2 (permalink)
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I have a 2005 KJ Limited and I'm in the middle of this exact job myself, and I've hit a problem that I'll be asking about on the main part of the forum. But what I can say so far is this...

This is the first major car mechanical job I've tried to do myself EVER. I only decided to try it myself because I read the description in the FSM and it seemed pretty straightforward. Unfortunately, the FSM assumes that you'll already have all the tools you'll need, and there are a few crucial things it doesn't tell you in advance

Stripping down the engine to get to the point where you can remove the hoses is actually pretty simple. Remove the front grille panel, remove the hood latch, remove the radiator crossmember (this involves drilling out rivets) and then remove the fan. I have the heavy-duty cooling package so I have both an electric fan and a mechanical one, and you need a fan clutch spanner and a 36mm wrench to get the mechanical fan off the water pump pulley - if you have standard cooling you just have the electric fan, which is faster and easier to remove. Then you just remove the serpentine belt and you're ready to remove the power steering hoses.

To remove the high-pressure hose at the pump you just need a standard wrench (I think 16mm but don't quote me on that) but to remove it at the steering gear you need either a 19mm stubby wrench or a crowsfoot socket. And just to complicate things, if you want to use a stubby wrench you will have to remove the oil filter (which means draining the oil completely first), otherwise there is no room to actually turn the wrench.

Once you've disconnected both ends of the high pressure hose, you've got to remove the hose mounting bracket. This is secured by two bolts in a very inaccessible place right underneath the driver's side headlamp. You can just about get to the bolts through a small gap under the headlamp at the front of the car, but it took me the best part of 30 minutes to loosen them enough to get the bracket out - I had to finagle one small wrench onto the bolts, and then use another wrench on the box end of the first one to actually push it and make it turn the bolts. There is so little space to work that the wrenches kept falling off.

Once you've released the bracket you can remove the high-pressure hose assembly, and then swap the bracket onto the new hose (this involves bending the clamps open and then closed again, which requires a fair bit of brute force).

Where I've got stuck is with the low-pressure hose. It was the same 19mm stubby wrench to remove it from the steering gear, but I've found it impossible to remove the other end from the oil cooler. There is a pinch-clamp on that end, and it's almost completely inaccessible, in a tiny space between the headlamp surround and the radiator. All I need is to remove that end of the hose and I can put everything back together again...

The FSM is useless, it just says "Remove the hose from the cooler". As far as I can see, unless there is some miracle trick that I just don't know about, the only solution would be to remove the grille reinforcement. This would get the complete headlamp mounting assembly (which is part of the reinforcement) out of the way, and so you'd get clear access to both the pinch-clamp AND the bolts for the hose mounting bracket (you can remove the actual headlamp on its own, but this doesn't help, because it's the headlamp mount that's causing the obstruction).

The FSM says nothing about needing to remove the grille reinforcement to change the hoses, but as I say, it seems to be the only logical way to get enough access. Removing the reinforcement seems straightforward according to the FSM (ha!), but it does involve having to drill out and replace six plastic rivets, and I'm waiting for Amazon to deliver a plastic hand riveter.

Sorry about the long rambling post, but this is where I've got to - and I thought I'd have the whole job done in a day...
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Old 01-07-2011, 02:42 AM   #3 (permalink)
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i replaced this part last year. right now its leaking again. i checked the end that is leaking and found out that the o ring is busted. replaced it but its still leaking. is there part that i need to change? actually it only leaks when i turn the steering wheel. does it have something to do with the pump or the power steering fluid reservoir where this hose is attached? my kj is stuck in the garage for almost 3 weeks now and i miss it so much. any other help is really appreciated.
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Old 01-19-2011, 01:22 AM   #4 (permalink)
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is it normal for the power steering fluid to boil?!
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Old 01-19-2011, 02:50 PM   #5 (permalink)
 
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Originally Posted by odhinn View Post
is it normal for the power steering fluid to boil?!
I'm gonna go with a no on that one.
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Old 01-19-2011, 06:59 PM   #6 (permalink)
 
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I'd have to agree.
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Old 01-20-2011, 02:56 PM   #7 (permalink)
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hey guys, on this subject

about 3 weeks ago I had my high pressure power steering leak fixed at a mechanic... paid over 550 to get it done.

Just today I get in my car to find out my power steering fluid is completely empty again.

advice?


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Old 01-21-2011, 12:58 PM   #8 (permalink)
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Originally Posted by paulpfiction View Post
Just today I get in my car to find out my power steering fluid is completely empty again.

advice?
Did you just have the high-pressure hose changed? Even though the HP is the most likely to leak, I've read various recommendations that you should have the low-pressure hose changed at the same time.

Or you might have a leak from the cooler, the reservoir, or from the steering gear itself. Or maybe the mechanic didn't tighten the nuts on the HP hose enough? There are various possibilities unfortunately.
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Old 01-21-2011, 11:08 PM   #9 (permalink)
 
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AVR, I posted a request for an update on your power steering hose removal issue, did you ever get that resolved?
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Old 01-22-2011, 05:15 AM   #10 (permalink)
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It's not resolved yet, but it hopefully will be within the next week. I'm going to remove the front bumper and grille reinforcement so I can get full access to the pinch-clamp on the return hose. I've been waiting for a tool to arrive - the plastic rivet setter that I'll need to replace the rivets that attach the bumper to the wheelwell.
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