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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 29396
Experience:  GM Grand Master Technician 2007. 14 years experience.
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replace power steering pump on 2000 GMC Sierra 1500

Resolved Question:

replace power steering pump on 2000 GMC Sierra 1500
Submitted: 6 years ago.
Category: GM
Expert:  GM Tech (Cam) replied 6 years ago.

Welcome. Is this the 5.3L or the 5.7 old style?

Customer: replied 6 years ago.
this is the smaller V-8 than the 5.3
Expert:  GM Tech (Cam) replied 6 years ago.

Ok, to replace the pump you first need to remove the ran shroud and fan so you have room to work. The tool for the fan and the tool to remove and install the pulley are usually ones that you can rent at the part stores. Then you pull the pulley of the power steering pump off. Behind there are 3 bolts. REmove those bolts and the one behind into the block. Object Number: 346660  Size: SH

Remove the lines and swap the parts you need to the new pump. Install reverse of removal and make sure the shaft of the pump is flush with the face of the pulley hub.


Customer: replied 6 years ago.
how to remove pressure and return lines
Expert:  GM Tech (Cam) replied 6 years ago.

There is a fitting, O-ring Boss style on the back of the pump for the pressure and the return line is a simple hose clamp style.

Customer: replied 6 years ago.
is it necessary to bleed air when filling with new fluid
Expert:  GM Tech (Cam) replied 6 years ago.
Yes, start by lifting the front off the ground so there is no tension on the wheels. Fill the pump and turn the wheels a couple times slowly stop to stop. CHeck the fluid and correct the level. Then start the engine and turn slowly stop to stop several times checking the fluid level a few times. Ideally a vacuum pump is used to bleed it, but this will work. The level will drop as the air leaves the system. When you go for a drive, leave yourself lots of room in the event you find a spot with no assist from air.
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