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Old 10-03-2005, 06:41 PM   #1
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Default PS Pump

Good news - What I thought was a failing transmission turned out to be a combination of 2 lesser problems, bad plug wires and bad power steering pump.

Bad news - I have to replace the power steering pump (the wires were an easy fix).

Has anyone replaced a PS pump and if so, how bad was it?

I do not know if this is a job I can tackle, or if I should pay a shop.
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Old 10-04-2005, 12:09 AM   #2
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If you can replace a water pump, then a PS pump will be a piece of cake.

Read up though about how to refill the pump. It can be a little tricky, and messy, unless you run through the exercise in your head first (basically you manually suck out as much old fluid as you can from the pump reservoir, remove the inlet and outlet hoses from the reservoir/pump assembly, remove pump mounting bolts, remove plastic reservoir from the steel pump, reattach the old reservoir to the new pump, replace reservoir/pump assembly as a new unit, essemblying everything in reverse order of removal. As I recall, fill the reservoir about 1/2 full, then have someone start the engine while you hold the spout of the filled spong bulb in the reservoire. As the new pump refills itself (this will not happen as fast as you might think), keep squirting fresh fluid in until the level stabilizes. You can shut off the engine each time you need to refill the bulb. You probably won't need to do this more than 2 or 3 times! That'* it. Don't forget to replace the reservoire fill cap. You may experience some mild foaming for several starts but the GM system will purge itself of that air over a short time, IF you otherwise have an airtight system. I did one on my '92 Bonne, but I see that the 2K Bonne'* have their pumps a little more hidden. Not that much however.

Tools you'll need. Standard sockets and socket wrench, or standard open-end wrenches, a sponge bulb to remove and fill fluid in the reservoire, and a quart of PS fluid (new fluid; NEVER OLD). Maybe some shop rags in case you spill fluid, and you will! If you make a little mess just run her up to the car wash and spray off the engine bay..
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Old 10-04-2005, 09:29 AM   #3
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Thanks for the info. I guess I will give it a try.
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