Thread: 2005 Power Steering Pump Seems Thrashed

the PS steering pump is held on by 2 12mm bolts(if memory serves me correctly). you have to go through the PS pulley with a socket in order to get to them.

first thing is first.

1. disconnect battery for safety

2. take serpentine belts off

3. take off alternator (ease of getting pump out)

4. Jack up front of car, and support it with jackstands

5. take off passenger side tire
take cap off of PS pump resivoir(back of engine under where alternator used to be)

6. disconnect PS lines(best to have a few rags and perhaps a bucket under car to help aid in capture of excess fluid) take your time, try not to round fittings.

7. NOW, there are only 2 bolts holding it on. one on the bottom can be taken out from the lower wheel well, while the top...can be a bit of a pita. you can either go in through the top of the engine, or try through the wheel well. you have to spin the pulley around to manuver the socket through the holes to reach each bolt.

8. once you have removed pump, it is oppsite of removal for installation. only when installing the new pump...have both bolts already in bolt holes on pump I had found it better to start the lower bolt first. that way you are able to swing the top around, and thread them in with your fingers using the socket with extension. then go back in and tighten them both down with sockets/wrench..that way you wont have a chance of crossthreading.

9. hook PS lines back up(make sure fitting does not crossthread), with cap off of PS pump. fill it with propper PS fluid, until cap says full. then with key in ignition(do NOT start car) turn wheel in full rotations to the left and right...15times....this should get air bubbles out of the system recheck fluid level. it doesnt take a lot of fluid

10. put everything else back on(including PS cap)....start vehicle...turn wheel left and right 5 more times, turn off vehicle. recheck fluid level. recheck PS lines for leaks. if no leaks are found, great job, now put the old pump back in the box, and return it for a core charge. and grab a bear and sit down. like to add, if you have small hands....this job should not be a problem...

11. a Haynes manual is most helpful!!! great bed time reading.... Hope this helps you out. it is really simple!

I will have pics of this soon as I had to change mine out 2 days ago.....nothing like -5* ouside!!!

This is a good writeup and I probably don't have much to add on the process. But the two hardest things I found were getting the old pump out of the engine bay. I had to turn it every which way and try to squeeze it out every little hole. But I removed the dogbones and pulled the engine forward, like some do to change plugs, and that helped to get it out the top. Oh, I had to take off my coolant resivor and STB too. But this was on my L67, so not sure if that changes anything. The second thing was lining up the bolts in the PS pump. This was the first time I had it off and it was a PITA. Now, I can get them just fine. But the first time sucked. As with anything car related, it just takes time and patience.

Overall, not a hard job. Took me about 2 hours to do totally. But I also replaced the PS lines at the same time.

Originally Posted by Zef_66

Overall, not a hard job. Took me about 2 hours to do totally. But I also replaced the PS lines at the same time.

Did you replace the lines with the normal hard lines or did you use some stainless steel braided lines. I have been wanting to go get some made for the Power Steering, I just dont know how well it would work out.

Also, where did you get the lines from if they were the OEM ones?

thanks, not sure what he did for lines, but I had to replace mine....cost me 20bucks from Morad for all new lines. Broke mine while puling out engine the first time

I got my lines from Ed Morad (email him at GTPED@msn.com). I had a leak somewhere and couldn't tell where it was coming from for a long time. It was just a slow leak. And my PS pump started going out and so I just replaced everything. Now it doesn't leak and works great!

might have been the hard line hitting the DP. happens every once in a while...

Originally Posted by UR LOSN

and grab a bear and sit down.

I can't seem to find a bear. Can I do without it?

hmm, at first you dont see the bear. so grab some more beer until you see the bear. then all will be well

Originally Posted by thermanlee

Will a pump from a Series II engine fit on the series III?

It should. But Ed would be the one to tell you for sure....

Or, goto Autozone, look up PS pump for both cars and see if they are the same part number. I would bet they are.

Originally Posted by Myoldmopar

I checked out autopartswarehouse.com for the power steering pump part numbers, and they are different. They show one for 2002-2003 and one for 2004-2005 (or something like that).

You may be right...but this is what I just found.

On Auto Parts Fast at RockAuto

1997 Pontiac Grand Prix GTP - PS Pump w/ Reservoir - AC Delco #36516303 (#26085815) - $99.79


2000 Pontiac Grand Prix GT - PS Pump w/ Reservoir - AC Delco #36516303 (#26085815) - $99.79


2000 Pontiac Grand Prix GTP - PS Pump w/ Reservoir - AC Delco #36516303 (#26085815) - $99.79


2005 Pontiac Grand Prix GTP - PS Pump w/ Reservoir - AC Delco #36516303 (#26085815) - $99.79

So they appear to be all the same. I would say looking at Rock Auto...they are all the same and should be interchangeable.