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Re: Power steering rack, Head Gasket; 100,000 mile check-in! Posted by Justin VanAbrahams [Email] (#32) [Profile/Gallery] (more from Justin VanAbrahams) on Wed, 6 Dec 2017 19:30:24 In Reply to: Re: Power steering rack, Head Gasket; 100,000 mile check-in!, Landjet [Profile/Gallery] , Wed, 6 Dec 2017 16:05:06 Members do not see ads below this line. - Help Keep This Site Online - Signup |
For whatever it's worth, their additive was very helpful on my P30 motorhome. That idiot machine has hydroboost brakes as well as a hydraulic UNparking brake (default = ON, hydraulic pressure takes it off) that all runs off the same pickup truck sized power steering pump and has NO cooler. It *murders* power steering fluid through heavy braking, especially in combination with steering - like one might do powering through the Sierra Nevadas. The RP additive was the key ingredient for consistent performance.
I eventually replaced the pump and installed an automatic transmission cooler in the power steering circuit and that has kept it happy using only high-quality (randomly half Redline & half Royal Purple) power steering fluid. But, without the cooler regular power steering fluid was not heat-tolerant enough without the RP additive.
posted by 12.195.130...
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