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Discussion Starter #1
So after reading some threads I am going to attempt the "Turkey Baster" approach to doing an exchange of my power steering fluid on my '04. I have narrowed it down to 2 fluids that I would like to fill it back up with but wanted to see which you all thought would be better. I am either going to use Valvoline Synthetic or Royal Purple. Which would you all advise based off of experience or usage? Also, where can I find the Valvoline Synthetic Power Steering Fluid if I go that route? Thanks
 

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Good old ATF+4.
 

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Discussion Starter #4
Why? Do you have reason to doubt the vehicle manufacturer's specification?
No doubt, just have read that a lot of people seem to use the Valvoline Synthetic when they flush out their power steering fluid. I have also heard that Royal Purple is a great company for fluids as well. Yes, I would still use the ATF+4 so I wouldn't go against that specification.
 

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Timberline said:
No doubt, just have read that a lot of people seem to use the Valvoline Synthetic when they flush out their power steering fluid. I have also heard that Royal Purple is a great company for fluids as well. Yes, I would still use the ATF+4 so I wouldn't go against that specification.
ATF+4 has a pretty specific additive package. I cannot imagine there would be a benefit of using one rather than another. I say go for the.cheapest one.
 

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Discussion Starter #6
^^ yea, I feel like I take my Jeep a little too serious when I actually start questioning which power steering fluid to use....LOL
 

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No doubt, just have read that a lot of people seem to use the Valvoline Synthetic when they flush out their power steering fluid. I have also heard that Royal Purple is a great company for fluids as well. Yes, I would still use the ATF+4 so I wouldn't go against that specification.
Those with 2002 and older Jeeps often use Valvoline Syntheticd Power Steering fluid... but those with 2003 and newer which switched to the Mercedes steering system must use ATF+4. You can use Valvoline ATF+4 which is a synthetic. Any major brand ATF+4 is fine, most are synthetics.
 

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Discussion Starter #8
Those with 2002 and older Jeeps often use Valvoline Syntheticd Power Steering fluid... but those with 2003 and newer which switched to the Mercedes steering system must use ATF+4. You can use Valvoline ATF+4 which is a synthetic. Any major brand ATF+4 is fine, most are synthetics.

Rolf / Jerry - I've never done my power steering exhange myself before and I am curious on how it seems that using ATF instead of a specific "Power Steering Fluid" is okay to do?? I have seen your numerous posts on the site stating that 2003 and on are able to use ATF because of the new steering system but I just want to make sure before I go out and purchase some. Feels strange buying ATF for my power steering fluid but if it is of no harm than I will follow suit. A little cautious I suppose...lol Thanks
 

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I am not up on the later models but on older power steering systems on most brands of vehicles,when your power steering would start not working properly many times it would correct it by going to ATF because it was a little thicker and then when it started having problems again,switch to industrial/agricultural hydraulic fluid because it was yet a little thicker
 

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Rolf / Jerry - I've never done my power steering exhange myself before and I am curious on how it seems that using ATF instead of a specific "Power Steering Fluid" is okay to do?? I have seen your numerous posts on the site stating that 2003 and on are able to use ATF because of the new steering system but I just want to make sure before I go out and purchase some. Feels strange buying ATF for my power steering fluid but if it is of no harm than I will follow suit. A little cautious I suppose...lol Thanks
Have you read the placard on your power steering reservoir cap?

Give that a shot and let us know what it says.
 

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Discussion Starter #11
I am not up on the later models but on older power steering systems on most brands of vehicles,when your power steering would start not working properly many times it would correct it by going to ATF because it was a little thicker and then when it started having problems again,switch to industrial/agricultural hydraulic fluid because it was yet a little thicker
Funny you mention that because I have read that same exact thing on how when the power steering system was starting to go out on certain vehicles or just old in age, people would fill it with ATF to make it last a little longer.

Yea, I'll check my cap and see what it states but I'm leaning on taking Jerry's word for using ATF+4 since he has mentioned it over and over again to people with a 2003 + Wrangler...LOL
 

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Yea, I'll check my cap and see what it states but I'm leaning on taking Jerry's word for using ATF+4 since he has mentioned it over and over again to people with a 2003 + Wrangler...LOL
Don't just take my word for it, your owners manual clearly describes all the fluids your '04 requires... go see what it says to use in the power steering system.
 
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