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Weird issue with brake pedal feel and PS pump

Posted

Today I happen to notice this larger puddle of oil under the truck.  Looking underneath it was coming from the PS pump and dripping at a rate of a drop every 30 seconds or so.  But why...?  The engine had been off for a day and no one was ever in the truck at any time doing anything like trying to turn the steering wheel or touching the brakes.  Thinking a hose let go, I eventually came to the conclusion that for whatever reason the PS fluid level raised up high enough to spill out the top and make a mess...with the engine off no less. :think:  Yes, the fluid level was very high.

 

Then an hour later when I was parking the 5th wheel back in its spot I felt this weird bump in the brake pedal when pushing on the brakes quickly.  Not every time but every couple times I pressed the pedal it would that weird feedback bump and the other times would be smooth pedal action.  The only way I can describe how it felt was if the pedal was slightly hanging up on something giving this slight initial bump in the pedals movement.

 

Could both of these be related?  The strange phenomenon of PS fluid deciding to climb up and out of the reservoir while the trucks sitting parked, and a brake pedal hiccup.

 

And just to clarify, the brakes work great and the steering feels fine with no noise...

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  • Mopar1973Man
    Mopar1973Man

    Basically, you want to unhook the steering box return line. Now cap the pump nipple to keep fluid in the reservoir. Now route the return line to a waste container. Now jack up the front axle. Now with

  • IBMobile
    IBMobile

    You could add a transmission filter in the power steering return line.  This would help keep contaminants from reaching the hydroboost and steering box.      

  • KATOOM
    KATOOM

    Moparman in a 20 years.....?  

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  On 9/20/2018 at 4:49 PM, Dieselfuture said:

Does that filter come apart and you can change filter elements? 

I wouldn't rinse anything unless it's SS mesh.

 

Yes, that's it in the picture all apart. There is no number on the filter, so there probably is no way to identify it. I went ahead and installed the new one and changed out the fluid to Red Line synthetic.

 

 

0920180956.jpg

  • Author

Thats the same PS fluid I use too.  Seems to be good stuff...

  On 9/20/2018 at 7:22 PM, KATOOM said:

Thats the same PS fluid I use too.  Seems to be good stuff...

 

Thanks, that's good to know. I will report back after I get some seat time.

  • Owner

Super Tech Power Steering Fluid, 32 oz Image result for napa power steering fluid

Since the first flush. If it wasn't for the external rusting of the input shaft on my OEM steering box I'd still have it today. Still working with my OEM power steering pump. Zero wear was inside the steering gearbox and very clean with zero sludge. 

    • Like 1
      On 9/20/2018 at 7:29 PM, NIsaacs said:

     

    Thanks, that's good to know. I will report back after I get some seat time.

     

     

    Hauled a load of cinder block today, I think I am going to like this new fluid. The truck even seems to drive a little better once I get up to speed. Seems to come off center easier, it used to be really tight. At slow speed it seems about the same, probably the 285 tires.

     

    I was surprised at how thin the fluid was, about like 0 weight. It should work well this winter and flow through the cooler and filter better.

    • Like 1
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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.