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#1
08-12-2007, 08:36 PM
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Power Steering went out!
I have a 97 Chevy 1500 Z71
So a few days ago I was driving and suddenly I had a heck of a time trying to turn the wheel. So I went and took it into the shop and they said it was the power steering pump. Well I have friends in town this weekend so I just wanted to get it done so I gave it to the shop to work on. Well I drove off the lot and maybe about a 1/2 mile down the road the steering went out again. Then after I turn off the car again then back on it works for a short period then goes back out. So I am completely confused. Anyone have any suggestions? 
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#2
08-12-2007, 09:31 PM
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Re: Power Steering went out!
Some have a sensor that reduces the steering assist on the highway, it's supposed to make it feel tighter or something. If yours has that, it's probably an issue with electronics.
Of course that's assuming you checked the P/S fluid after it gave out the second time and that the belt's still on there
__________________
'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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#4
08-13-2007, 04:05 PM
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Re: Power Steering went out!
Quote:
__________________
'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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#5
08-13-2007, 04:44 PM
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Re: Power Steering went out!
Okay I just put a new EVO sensor on my car. Started it back up and when I got to about 20-30 mph it did the same thing! It started to become extremely difficult to turn.
So I just finally decide to try to drive without the sensor plugged in. Well it drives fine without it plugged in. What could this be!!!!! Last edited by wilhite38; 08-13-2007 at 05:53 PM.
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#6
08-15-2007, 05:03 PM
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Re: Power Steering went out!
Quote:
The components in the system are 1. VCM (sends the signal from the VSS (vehicle speed) to the EVO module) 2. Steering wheel speed sensor (commonly refered to as the EVO sensor) sends a signal to the EVO module. 3. The steering assist control solenoid located on the back of the pump. This is an eletronically controlled variable orfice (EVO) that controls the amount of pressure from the pump to the steering box as determined by the EVO/PASSLOCK module from the inputs from #'s 1 & 2 above. 4. EVO/PASSLOCK module. (the computer for the system). You might start by replacing the #21 fuse (mentioned above) as it is dedicated to this system. Beyond that, since this sytem is all electronic, you'll need to get it scanned for DTC's to be able to really pin point where the problem is. There are about 9-10 DTC's in this system all starting with "C" (Cxxxx).
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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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