Hemi power steering fluid flush - JeepForum.com
 
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post #1 of 7 Old 09-14-2019, 01:11 AM Thread Starter
DLStryker
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Join Date: Oct 2009
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Hemi power steering fluid flush

How do I go about flushing the power steering fluid with the Hemi motor and hydraulic fan?

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post #2 of 7 Old 09-14-2019, 09:53 AM
nvrdone1
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since im not a fan of any kind of flushes - they can dislodge particles & cause leaks - I took my suction pump & sucked out about 1 qt of fluid & replaced it with fresh fluid. I do that once a year & it seems to be fine.
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post #3 of 7 Old 09-14-2019, 11:46 AM
LouC
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Agreed I don't know why you'd do that unless a failed pump put wear particles in the system. I've never changed the PS fluid in any vehicle I've had except the '98 ZJ when I replaced the pump about 5 years ago.

2017 JK Unlimited Sport 6 spd
2007 WK Limited Hemi QDII
1998 ZJ Laredo 4.0 Selectrac
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post #4 of 7 Old 09-14-2019, 11:41 PM Thread Starter
DLStryker
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Agreed. I didn't actually mean "flush". I'm wanting to drain the system of much fluid as I can and replace. With the radiator fan being $900, I'm wanting to do all of the preventative maintenance that I can.

Would you just remove the low pressure line at the pump like you do a traditional (non hydraulic fan) system? Not sure how to get all of the fluid our of the cooling fad drive.

Quote:
Originally Posted by nvrdone1 View Post
since im not a fan of any kind of flushes - they can dislodge particles & cause leaks - I took my suction pump & sucked out about 1 qt of fluid & replaced it with fresh fluid. I do that once a year & it seems to be fine.
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post #5 of 7 Old 09-15-2019, 08:39 AM
acabtp
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if you aren't having problems, i would just suck out the res and refill. with the hydraulic fan, if you take out more than what's in the reservoir you'll need to vacuum bleed the system to remove trapped air.

'05 WK Limited 5.7 Hemi
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post #6 of 7 Old 09-16-2019, 10:44 AM
Raffish
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Jack up the front.

Disco the fan to reservoir return line and put into a bucket.

Rotate wheels from lock to lock about 20-30 times.

**Make sure you keep the reservoir topped up with fresh fluid throught the process.**

05 WK Limited 5.7, QDII, OME HD, 265/70/17 1.25" Spydertrax, CC, MBRP SS, 250xxxkms
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post #7 of 7 Old 09-16-2019, 11:22 AM
caulk04
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Quote:
Originally Posted by LouC View Post
Agreed I don't know why you'd do that unless a failed pump put wear particles in the system. I've never changed the PS fluid in any vehicle I've had except the '98 ZJ when I replaced the pump about 5 years ago.
Most people don't. I prefer to keep my fluid clean. You'd be amazed at how nasty it gets. It's an expensive system...

I had a post showing what my fluid looked like at 40k, but when I looked it up just now the pictures were gone (photobucket).

08 Limited Hemi - wheels, tires, springs...ya know, stuff
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