Duramax Diesels Forum Truck of the Week
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Old 08-17-2019, 04:16 PM
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Johnston11106 Johnston11106 is offline
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Default Gear box or P/S pump?

So a couple weeks ago I started noticing a grinding howl coming from the steering. It started just when I turned left and now it's across the entire spectrum. I checked the fluid as a first check and everything was good as a flush was done within 6 months...I haven't really noticed a difference in performance so to speak, it just sounds god awful, especially after the truck has warmed up. Any ideas welcomed. Thanks

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Old 08-17-2019, 06:23 PM
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Power steering pump.
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Old 08-18-2019, 05:00 AM
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Johnston11106 Johnston11106 is offline
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Quote:
Originally Posted by Ne-max View Post
Power steering pump.
How would I know if it were the steering box instead? I've tried listening to the area to narrow it down but I can only come up with these two parts. If I replace the pump, is there one you would recommend? I know XDP has one, not sure if it's all that great or not. Also, would you recommend I change out hydroboost to a LML one? I'm looking for a more solid pedal with less fade. I have the typical leaky p/s lines, which have to be replaced. Thanks for the input.

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2008 LMM LTZ CCSB
EFI Live Tuning(Moonshine) via Tony@RidgeRunner, 4094 STG2 Garrett Turbo, 4" Stainless Magnaflow Exhaust, Magnaflow Downpipe, AirDog II 165 4G, Edge CTS Insight, Profab Bridge/Cold Side, S&B CAI, Husker Diesel Built Trans/Goerend Triple Disc TC, PPE trans pan , PPE ported fuel rail fittings, PCV Reroute, EGR ghosted, Kryptonite Front End, Bilstein 5100's all-around, and ALWAYS running with AMSOIL👍
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