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#1
11-10-2007, 09:21 AM
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Lost pwr steering/ brakes 00 2500
Have a 00 2500 6.0L 130206 miles. that the power went out on the brakes and steering. The power steering pump has been replaced. Took it for a drive and the power assist is somewhat there when engine is at a high rpm and moving. At idle and sitting still no power assist. Any ideas
Thanks George 
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#2
11-10-2007, 09:28 AM
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Re: Lost pwr steering/ brakes 00 2500
sounds more like a problem in the hydroboost module. is the system losing fluid anywhere?
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#4
11-10-2007, 10:50 AM
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Re: Lost pwr steering/ brakes 00 2500
Quote:
If lose of both brake and steering check power steering pump pressure. Post back pressure reading.
__________________
Remember proper testing gives us the answer to many problems. MT
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#5
11-10-2007, 08:28 PM
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Re: Lost pwr steering/ brakes 00 2500
I had that happen on the '98 Sub backing out of the shop one wintry morning. Drove it right back in (slowly) and started researching. Checked fluid and it was good. Came in the house and looked at my '98 manual for clues. Found that the pump supplies pressure to the hydro-boost brakes and then to the steering box and returns to the pump. Went back out perplexed. Started it up just to check my mind and it was all good?? Had steering and brakes?? Now what?? Replaced the pump and it's been good for 3 years now.
As "MT" & I said, the pump is the supplier for both brakes and steering on your unit. Air in the system could be a problem from the new pump. This is a short version for pump bleeding from my '98 manual. 1. Front wheels off the ground. 2. Engine OFF. 3. Turn the wheel all the way to the left and fill the pump to the cold line and leave the cap off. 4. Turn the wheel right to left at least 20-40 times while someone monitors the fluid level. If there is air in the system it may push some of the fluid out of the pump reservoir. Keep the fluid level at the cold mark. 5. After this lower the front wheels to the ground and start the engine. Check the fluid level and put the cap back on. Let the motor idle for 2 mins and see what happens. If you still have trouble then as "MT" says you need to check pump output pressure and/or make sure the new pump is correct for your vehicle.
__________________
57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser
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#6
11-11-2007, 01:01 AM
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Re: Lost pwr steering/ brakes 00 2500
I made a device using an old power steering reservoir cap and a handheld vacuum pump(almost any vacuum source can work) and creating a vacuum in the reservoir drew all the air bubbles up and collapsed them, it was a trick I learned when I was a line mechanic about 20 years ago. That and turning lock to lock finished the job faster after working on any power steering job.
__________________
2002 Silverado 3500 extended cab 4x4 dually 8.1 (496cid) Vortec, Allison 5spd w/OD All front lights, fog lamps converted to 5000K HID, all running lights chip LED Modded from LED sign double row red LED sequential T/S, running and brake lights mounted below tailgate. New side and rear modded emblems for visual effects. Escalade instrument cluster and auto dim LED outside mirrors. Front and rear concealed amber Tomar strobe system Modified for Alaska extremes
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#7
11-16-2007, 02:50 PM
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Re: Lost pwr steering/ brakes 00 2500
Quote:
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