my 88 gl-10 full time 4wd a/t , 123,000mi , had a bad noise from it sounded like from the power steering pump area, new belt, new alt, and is tight , motor was cold , and wheels were straight , fluid was full , , a few months ago i drained the reserve tank because i had no power steering, by doing this i had power steering again , my question is my power steering going out ? i have a spare one

I'd swap it out if you have a spare. Doesn't take more then a half hour to do it, just make sure you bleed it good. I would try and bleed the pump installed first before swapping, just to rule it out. Here's a quick way to bleed a power steering system...

With vehicle off, pull powersteering cap and make sure fluid is proper color and at proper level.

With the cap still off, start car and let it warm up to operating temp.

After reaching desired temp and with the engine still running at idle, crank the wheels back and forth, holding them against the locks for about 2 seconds.

Do this about 10-15 times. This will eliminate any air in the system.

 

If it keeps making noise, then yes, replace the pump if you have a spare. After replacing it, make sure to bleed the system again.

ok thanks