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

jlampka · 03-14-2021, 12:26 PM

I have a 1972 GMC pickup with AC and was wondering how to remove the pulley wheel from the pump. I removed the outside nut but was wondering do I need a wheel puller to remove the second nut that looks pressed into the wheel?

**Getter-Done** · 03-14-2021, 12:37 PM

It makes it easier if you have a puller something like this.

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fb111ewo · 03-14-2021, 12:41 PM

Go to an auto parts store (Advance Auto, O'reilly's, etc) and borrow one of their loaner pully remover kits. Easy to do.

jlampka · 03-14-2021, 01:24 PM

Thanks guys!

franken · 03-14-2021, 09:48 PM

It looks like a press on pulley on a tapered shaft pump. There's no nut on the press on pulley pumps. Des the pulley wobble when you spin it?

**kwmech** · 03-15-2021, 12:24 AM

No taper, but the early pumps had a key way. Not all of them are pressed, but still may require a puller because of age and rust

RustyPile · 03-15-2021, 08:48 PM

I don't remember any GM pumps of this era having tapered shafts either.. If it has a nut on the end of the shaft, the pully is a slip fit and it, along with the shaft, has a keyway for a half moon key.. The shaft may be a bit stuck due to age and an accumulation of rust.. A proper puller should pull it off easily...

jlampka · 03-17-2021, 01:33 PM

Yes it has a keyway and there is no taper. By the way I did get a loaner tool from NAPA and it came off quite easily. Thanks to everyone! Happy St. Paddy's Day!

**kwmech** · 03-17-2021, 01:44 PM

Quote:

Originally Posted by jlampka

Yes it has a keyway and there is no taper. By the way I did get a loaner tool from NAPA and it came off quite easily. Thanks to everyone! Happy St. Paddy's Day!

If you clean it up it should slide back on without an installer.

03-14-2021, 12:26 PM	#1
jlampka Registered User Join Date: Sep 2013 Location: North Tonawanda, NY Posts: 236	Power Steering Pump Pulley Removal I have a 1972 GMC pickup with AC and was wondering how to remove the pulley wheel from the pump. I removed the outside nut but was wondering do I need a wheel puller to remove the second nut that looks pressed into the wheel? Attached Images

03-14-2021, 12:37 PM	#2
Getter-Done Senior Member Join Date: Dec 2009 Location: TN. Posts: 7,944	Re: Power Steering Pump Pulley Removal It makes it easier if you have a puller something like this. . __________________ ________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build

03-14-2021, 12:41 PM	#3
fb111ewo Registered User Join Date: Jun 2014 Location: Murfreesboro TN - originally from Missouri Posts: 140	Re: Power Steering Pump Pulley Removal Go to an auto parts store (Advance Auto, O'reilly's, etc) and borrow one of their loaner pully remover kits. Easy to do.

03-14-2021, 01:24 PM	#4
jlampka Registered User Join Date: Sep 2013 Location: North Tonawanda, NY Posts: 236	Re: Power Steering Pump Pulley Removal Thanks guys!

03-14-2021, 09:48 PM	#5
franken Registered User Join Date: Jun 2013 Location: Somewhere Posts: 3,068	Re: Power Steering Pump Pulley Removal It looks like a press on pulley on a tapered shaft pump. There's no nut on the press on pulley pumps. Des the pulley wobble when you spin it?

03-15-2021, 12:24 AM	#6
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,480	Re: Power Steering Pump Pulley Removal No taper, but the early pumps had a key way. Not all of them are pressed, but still may require a puller because of age and rust

03-15-2021, 08:48 PM	#7
RustyPile Registered User Join Date: Dec 2017 Location: Elkhart, Texas Posts: 1,622	Re: Power Steering Pump Pulley Removal I don't remember any GM pumps of this era having tapered shafts either.. If it has a nut on the end of the shaft, the pully is a slip fit and it, along with the shaft, has a keyway for a half moon key.. The shaft may be a bit stuck due to age and an accumulation of rust.. A proper puller should pull it off easily...

03-17-2021, 01:33 PM	#8
jlampka Registered User Join Date: Sep 2013 Location: North Tonawanda, NY Posts: 236	Re: Power Steering Pump Pulley Removal Yes it has a keyway and there is no taper. By the way I did get a loaner tool from NAPA and it came off quite easily. Thanks to everyone! Happy St. Paddy's Day!



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