Power Steering fluid in '01 GC? - JeepForum.com
 
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post #1 of 11 Old 10-22-2006, 10:28 AM Thread Starter
shortlid
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Power Steering fluid in '01 GC?

Doe sthe Power Steering use the same thing as the T-case and the AT? ATF+4 in a 2001 GC??

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post #2 of 11 Old 10-22-2006, 10:33 AM Thread Starter
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I am in the middle of the job can someone please help me with this stupid question I have?
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post #3 of 11 Old 10-22-2006, 11:17 AM
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ATF is supposed to be used, but apparently after using it people develop small leaks in thier system. I have always used an offbrand of PS fluid, like Advanced Auto parts Power Steering Fluid, never had any problems there.

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post #4 of 11 Old 10-22-2006, 12:26 PM
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Do you trust wjjeeps.com? If so, here is your answer:
Quote:
Mopar®P/N 04883077 Hydraulic fluid / Power steering fluid (MS5931)
MS5931 IS THE ONLY FLUID THAT CAN BE USED FOR THE POWER STEERING SYSTEM. NO EXCEPTIONS!

Important note:
The factory fill power steering fluid for all 1999-2004 Grand Cherokees is a unique fluid, MS5931. ATF+4 (MS9602) should not be mixed or used as a “topping off” fluid on the Grand Cherokee WJ. All WJ models should be serviced using ONLY the special MS5931 fluid. ATF+4 is NOT an approved Power Steering Fluid and should never be used under any circumstances. Note that all fluids will darken in color with usage and fluid color is no longer an indication of fluid condition
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post #5 of 11 Old 10-22-2006, 06:28 PM Thread Starter
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So, any P/S fluid should work

Ok, ATF bad for the system so I should get some regular Power steering fluid to suck-out and replace?
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post #6 of 11 Old 10-22-2006, 07:03 PM
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Now we to come to place where it helps when you tell the model year and engine size.

If it is an '01 or later with the 4.7 engine, then it has a hydraulic cooling fan using power steering fluid with pressure supplied by the PS pump. In that case, you definitely should get the Mopar fluid. For the case of a non-hydraulic fan, regular PS fluid should be OK. In either case, since I trust wjjeeps on this, I would try to get rid of most of the AFT+4.
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post #7 of 11 Old 10-22-2006, 09:03 PM Thread Starter
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Quote:
Originally Posted by rm2001wj
Now we to come to place where it helps when you tell the model year and engine size.

If it is an '01 or later with the 4.7 engine, then it has a hydraulic cooling fan using power steering fluid with pressure supplied by the PS pump. In that case, you definitely should get the Mopar fluid. For the case of a non-hydraulic fan, regular PS fluid should be OK. In either case, since I trust wjjeeps on this, I would try to get rid of most of the AFT+4.

It is the2001 with the inline 6 cylinder, 4X4 with automatic.
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post #8 of 11 Old 11-17-2006, 06:53 PM Thread Starter
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Quote:
Originally Posted by shortlid
It is 2001 with the inline 6 cylinder, 4X4 with automatic.
Should a '01 with the 4.0 inline six and automatic have the fan driven off teh P/S fluid?? How can I tell?

My brother has a '96 GC Larado, 4WD, 4.0 with 120k bought for $200, with the cooked 42RE. Replaced the tranny, and taking it to 300k!
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post #9 of 11 Old 11-17-2006, 09:21 PM
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Sorry about not getting back to your question. An I6 equipped WJ does not use a hydraulically driven radiator fan. Most use an electric fan. The electric fan has a motor with wires connected to it. The hydraulic fan is more complicated in appearance with hoses from the power steering pump connected to it.
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post #10 of 11 Old 11-18-2006, 06:28 AM Thread Starter
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Ok, so regular P/S fluid you can buy at Wally world will work in it.

My brother has a '96 GC Larado, 4WD, 4.0 with 120k bought for $200, with the cooked 42RE. Replaced the tranny, and taking it to 300k!
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post #11 of 11 Old 11-18-2006, 09:25 AM
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There are no guarantees when you don't use the factory recommended fluid. However, any good after market PS fluid would probably work with no problems.
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