Quote:
Originally Posted by Stevemo
It had red oil in it instead of the clear Mopar hydraulic oil. Nobody makes a substitute for this oil so it must have been some random fluid that they had in their test rig. Using ATF in this system is perilous as it is really aggressive in a 20 year old vehicle. I tried it once and within a week the ATF had turned grey despite it replacing clear fluid.
The problem I ran into with the steering gear was that it seemed to have a solid output shaft free of deflection but it deflected a lot when hooked up with the pitman arm. The end result was I still had over a quarter of a turn of lash at the steering wheel as the shaft moved side to side. The entire front end of the van was new so there was no question on the cause of the lash and I couldn't see the seal lasting a long time either.
At the time I had two Roadtreks and couldn't guarantee that I'd be able to make the van any better than it already was so it was decided to cut the value of the van by $500 and abandon dealing with Redhead. The good thing in the whole situation was that the 1992 that the buyer was scrapping had an excellent driveline and steering gear. He contacted me some time after buying the van and let me know that his part unit the van.
As a side note, they make a lot of fuss about returning the old steering gear without bleeding fluid all over the place during shipping. When I picked up mine from the UPS store the box was torn to pieces and packing peanuts trailing behind me. I didn't realize what was happening until I got to my vehicle so I spent 10 minutes cleaning up the parking lot and store...
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I think there is a specific oil number for at least some of the power steering setups, others used ATF and had for decades. In the early manual gears they even used ATF in the them. Generally, ATF isn't an issue for power steering and often an improvement. I use Dex 4 Amsoil in our Chevy Roadtrek for instance and it improved to performance of the steering and hydroboost brakes.
The loose shaft is very common in the Dodges but I think you can adjust it out like on other gears by adjusting the pinion bearings. Many have had good results by adding the external shaft support they sell for many of the years.
Redhead probably tests the gears with ATF or one of the power steering fluids that are red. I am surprised it came with oil in it at all but that should mean it was on the test bench and should have been good.