Power Steering Groaning Noise - Success Story

f1racer328

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Had my disco out in Moab last month, and about 2 days into the trip my power steering pump started to groan a little bit. It wasn't too bad, and eventually got better, but had me concerned so I decided against doing some harder trails.

At around 1100 rpm, in gear or in neutral, the steering wheel would vibrate slightly, and if I manipulated the steering wheel I could hear and feel the noise getting worse. Had a fear that my power steering pump was on its way out.

Yesterday I ended up buying 2 liters of Pentosin CHF202.

I didn't do the full fluid flush procedure that the manual specifies, and just pumped out the reservoir, added new fluid, cap on, started car, full lock left and right a few times, shut off and rinsed and repeated until I went through 1 liter.

The noise is now completely gone. $25 later my issue is fixed. Went on a short off road trip and didn't hear a single noise.

I probably will end up flushing out the other liter of fluid I have eventually, but glad that this fixed my problem.
 

Honcho

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Getting ready to do mine as well but wasn’t sure if we are clear to use Pentosin 202. Seen a few back and forth post about using this and that. o_O
 

f1racer328

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Getting ready to do mine as well but wasn’t sure if we are clear to use Pentosin 202. Seen a few back and forth post about using this and that. o_O
I was pretty undecided on fluid.

Workshop manual says Texaco Cold Climate Fluid 14315
Owners manual says the Land Rover Cold Climate fluid I believe.

The Pentosin 202 seems good though, it isn't cheap though.
 

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