Power Steering Pump Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Sinister · 11-27-2009, 02:50 PM

Was replacing my power steering pump and the new pump was leaking out of the backside lower mounting bolt. Put some teflon tape on it and it seemed to stop it. Is this normal?

Tx Firefighter · 11-27-2009, 07:16 PM

Not normal.

Did you get just the pump and install your old reservoir onto it ?

There is a square cut o-ring seal between the pump and reservoir on the inside to seal it from leaking there. Sounds like yours is missing.

I dont have an exact picture, but here is one I did awhile back. Notice in the package of seals the two on the lowest right of the baggie, that's them.

Sinister · 11-27-2009, 07:48 PM

Pump and reservoir were one piece remanufactured unit from Kragen. It's leaking out of the mounting hole on the lower back. I would assume it's supposed to be a blind hole, might have been drilled to far at the factory. Pump works good other then that. Teflon tape seemed to fix it. Edit: Reread your post. So I'd have to take the pump apart to put that seal in? I think I'll just leave it be for now.

Conroe trucker · 11-27-2009, 08:49 PM

The pump has at least two mounting holes on the back that studs with a flange go into for mounting.

Seal these with gasket sealer and put in a bolt if you do not need a mounting stud in that position.

If you need a stud, but do not have one, use a bolt and washer with lots of sealant.

The bolt only has to be 1/2" deep unless it is being used with a mounting bracket.

Sinister · 11-27-2009, 09:18 PM

I'll check it in the morning. If it's seeping at all, I''ll hit the bolt with some RTV. Thanks guys.

11-27-2009, 02:50 PM	#1
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Power Steering Pump Question Was replacing my power steering pump and the new pump was leaking out of the backside lower mounting bolt. Put some teflon tape on it and it seemed to stop it. Is this normal? __________________ Beat it to fit, Paint it to match... Last edited by Sinister; 11-27-2009 at 03:15 PM.

11-27-2009, 07:16 PM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Power Steering Pump Question Not normal. Did you get just the pump and install your old reservoir onto it ? There is a square cut o-ring seal between the pump and reservoir on the inside to seal it from leaking there. Sounds like yours is missing. I dont have an exact picture, but here is one I did awhile back. Notice in the package of seals the two on the lowest right of the baggie, that's them. __________________ I'm on the Instagram- @Gearhead_Kevin

11-27-2009, 07:48 PM	#3
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: Power Steering Pump Question Pump and reservoir were one piece remanufactured unit from Kragen. It's leaking out of the mounting hole on the lower back. I would assume it's supposed to be a blind hole, might have been drilled to far at the factory. Pump works good other then that. Teflon tape seemed to fix it. Edit: Reread your post. So I'd have to take the pump apart to put that seal in? I think I'll just leave it be for now. __________________ Beat it to fit, Paint it to match... Last edited by Sinister; 11-27-2009 at 08:27 PM.

11-27-2009, 08:49 PM	#4
Conroe trucker SWBs: 67 2x4, 67 4x4, 70 4x4 Join Date: Nov 2007 Location: Conroe, TX Posts: 483	Re: Power Steering Pump Question The pump has at least two mounting holes on the back that studs with a flange go into for mounting. Seal these with gasket sealer and put in a bolt if you do not need a mounting stud in that position. If you need a stud, but do not have one, use a bolt and washer with lots of sealant. The bolt only has to be 1/2" deep unless it is being used with a mounting bracket. __________________ FINISHED Project thread: 67 SWB 4x4 FINISHED Project thread: 67 SWB 6 cyl cruiser Project thread: Road Toad 70 SWB Step, 4x4, 292, 3OT 01 C5 convertable 08 Z06

11-27-2009, 09:18 PM	#5
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: Power Steering Pump Question I'll check it in the morning. If it's seeping at all, I''ll hit the bolt with some RTV. Thanks guys. __________________ Beat it to fit, Paint it to match...

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