rack and pinion Ques. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-01-2005, 07:05 PM   #1
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Default rack and pinion Ques.

I just installed and got my new rack and pinion installed and the dealship aligned it, there is only one prob, when im at a stand still or moving very slow, and turn the wheel it seams that the power steering pump is boging down the engine.

Back round info. i orderd the rack and pionon from auto zone, i ordered the heavy duty R&P...........

i gues my real question is......does the heavy duty rack and pinion need the heavy duty pump.....or are they the same,
thanks

nicky
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Old 04-01-2005, 08:08 PM   #2
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The power steering system when in use (ie, when you turn the wheel), puts a load on the engine to keep pumping fluid, much in the same way as your ac compressor, when its on. When you turn the wheel when standing still or barely moving it is normal to notice the rpms drop a little, but they should pick up quickly as the engine speeds up to maintain idle speed. Is that what happens with you, or does your engine idle significantly lower when the wheel is being turned? I'm not sure what the difference is between a heavy duty and regular steering rack, but I assume its just better rack and pinion gears.
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Old 04-01-2005, 08:55 PM   #3
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Check the fluid level after the change. Might be low.
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Old 04-01-2005, 10:57 PM   #4
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yeah the symptoms are, that it returens to normal idle after the wheel is turning, i will check the fluid level tommarow, and wait for any other posts that may inform me of the diffrence between standard and heavy duty rack and pinion.

thanks guys

nciky
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