Quote:
Originally Posted by TA-71
I have only had this car for a few months, it has always made a pump noise, hence why I replaced the pump. I swapped to the CVF racing keyed pulley as a suggestion in another thread. I am running a Gates belt.
With the tires off the ground, turning the wheel from lock to lock o had done initial resistance with large bubbles coming out. I continued to turn the wheel from lock to lock over 200 times, still having bubbles coming out.
Fired up the car with the tires still off the ground, turning the wheel lock to lock. Got a little hesitation and shuddering thru the wheel, it went away with a few turns of the wheel and finally smoothed out.
Topped off the fluid and took it for a drive. It was smooth and quiet at all speeds until I got to about 40mpg and 2400rpm and it started squealing while driving straight.
I have checked the pulley alignment and it is correct.
Not sure what else to try.
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Great information. Thank you. So what I am hearing is the car steers fine now. Power assist is good, smooth and the only issue is the squealing noise at 40 MPH, 2400 RPM. This may sound crazy, but I think the noise is the clutch fan like another poster said. So lets eliminate it. Unbolt it and remove it. Put some bolts in the pulley to hold it and drive the car without the fan. Report back. Bad fan clutch can make all kinds of noise.
BTW, the reason I say it's not the PS pump is because driving straight, regardless of speed, the pump pressure will be very low. Going straight would be the LEAST LIKELY situation for pump noise. Hope you figure it out