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Old 09-17-2010, 01:30 PM
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Power Steering Pressure Hose replacement

Hey Everyone,
Have a '03 WJ Overland and was wondering if replacing the power steering pressure hose was more difficult than it seems. It seems like I should be able to unscrew the nuts holding either end on and remove. The garage's around me want to charge 1.5 hrs labor, so I want to make sure this is as straight forward as it seems. Thanks!
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Old 09-17-2010, 02:51 PM
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Re: Power Steering Pressure Hose replacement

I have never looked at the hose itself, so can't tell you much about it. But looking into the manual it can't be that difficult to do.
When you change the hose, its also a good time to drain all fluid and put some new in. I don't know if your Jeep has the hydraulic fan feature, but when yes, you can activate the fan to full speed by removing the cooling liquid temp sensor connector (in between the airco compressor and generator) to quickly bleed the system of all air.
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Old 09-17-2010, 03:03 PM
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Re: Power Steering Pressure Hose replacement

Great, thanks! I have an '03 Overland, so yes it does have the hydraulic fan; good tip to know. I just wanted to make sure I wasn't missing something since the shop wanted 1.5 hrs for labor. I thought it should have been a 30 min job at most (2 nuts and a system refil...)
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Old 09-17-2010, 04:52 PM
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Re: Power Steering Pressure Hose replacement

It's prety easy. Just make sure you get the newest one. It has been re-designed 3 times. It worked best for me doing the bottom fitting 1st too. I tried it with the top connector and is was MUCH harder. Just due to the way the hose is bent.
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Old 09-17-2010, 04:54 PM
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Re: Power Steering Pressure Hose replacement

its not hard, let me guess your high presser hose has a leak at the fitting on the pump, its common.

this is the new updated version and a good price http://www.justforjeeps.com/01grch4hypos.html
also have to get fluid form the dealer since a PS pumps need a special fluid called MS5931 if they try to sell you ATF+4 dont buy it and ask for MS5931 PS fluid. a quart should do but picking up extra will not hurt. also its not cheap and can be $10+ a quart

1- get a turkey baster and get all the fluid out of the pump and remoev teh little metal brackets on each end of the hose it pops right off
2- put a pan under the jeep since it will drip
3- undo the lower fitting that is by the radiator, will be on tight so hit it with PB blaster and you need some strength and it will drip out so use your pan
- its a tight space and i used a adjustable wrench or can get a crows foot if you want to spend the money
4 - undo the top part at the pump, i found removing the hose to radiator hose helps
5 - theirs a bag with a fitting that connect to the lower part. do not pop it on to the hoses. just screw it on to the lower part and tighten it.
6- then attach the hose to the pump and tighten it
7 - now pop the lower part of the hose to the fitting you put on before.
8- fill up PS pump with the right fluid, will hear a loud screech its OK.
9 - you will have to add some more fluid since it going into the hose, so check the stick till you see it good.
9- if you can not pop the hose to its old bracket just tie wrap it and done

if you been mixing other PS fluid in its a good idea to remove the old fluid and replace it all with the right. so do get 2 quarts
-after you get all the fluid out of the pump in step 1, remove the 2 return lines and let all the fluid drain out to your pan or bottle.
-cover the return line opening so fluid dose not come out that way
- after you install the new hose leave the retun line in the pan or bottle and keep adding fluid to you see the same color fluid you put in come out.
- the pump will make a screeching sound so can do this in one shot with the sound, fill the pump up and start the jeep for a moment then shut it off, or have a friend turn the wheel side to side while you add fluid and wait for the right color to come out the return lines
- then put the return lines back and fill the pump to the right lever

this si what the PS pump looks like
jeep PS pump.JPG

hope it helps and if something sounds odd let me know and will help
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Old 09-29-2010, 04:18 AM
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Re: Power Steering Pressure Hose replacement

It's just a simple DIY job It's just minor so why spend your money to mechanic, they will just rip you off.
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Old 09-29-2010, 09:07 PM
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Re: Power Steering Pressure Hose replacement



Here's a video presentation might be a different kind of vehicle but may help you guide though the specific parts of your vehicle.
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