Join Date: Nov 1999
Location: Central California, USA
Re: No power in my power steering...
Original PS pumps in first gen Camaros had a pressure setting of around 900 psi and that's pretty low. Something around 1200 psi would be better, GM pickups use 1400 psi which is about the highest used.
I'd carefully check that the belt is not slipping when you lose boost, if you hear the belt chirping, it's loose or slipping, may be contaminated with oil. Applying the brakes when turning the wheels puts a lot more load on the steering too. If the pulley is turning, it's probably low pressure.
Your pump is rebuilt, but where did the pressure relief valve come from? Many rebuilt pumps come without pressure valve or outlet fitting and require you to transfer the old relief valve from the old pump to the new one.
The pressure valve has spacer washers that allow adjustment for max pressure. You can remove one of the washers to raise it.
Check my web page for First Gen Camaro suspension info:
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67 RS 327 original owner. 1965 Lola T-70