vacuum pump - replacement or rebuild?
Thread Starter
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Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
vacuum pump - replacement or rebuild?
here's the scenario... i have my truck down while i replace the carpet and headliner. i am replacing my crappy plastic housing power steering pump with the tried and true canned ham (Saginaw) pump and rebuilding my gearbox. while i have all this out and have the room and tools handy i was thinking about servicing the vac pump since it is directly tied into my brakes! i have not had any problems with it thus far but want to do something to it while i have the room and motivation.
i have been searching and cant for the life of me find the info i saw somewhere about rebuilding the pump. i dont mind buying new/refurb but at $163 at my local Napa, thats a little steep for proactive maintenance!
anyone have any info they can share with my along with any opinions?
thanks fella's
-cutts-
i have been searching and cant for the life of me find the info i saw somewhere about rebuilding the pump. i dont mind buying new/refurb but at $163 at my local Napa, thats a little steep for proactive maintenance!
anyone have any info they can share with my along with any opinions?
thanks fella's
-cutts-
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
I have looked into it with numbers from the seals and bearings and came up with nothing. Next time mine goes out I am thinking of replacing it with a fabricated idler pulley and going to an electric vacuum pump. Those things last for ever! Course hyroboost brake would be the way to go at the same time. Time to go parts hunting!
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
Edit: might even work it you kept the vacuum boost too. Not sure.
More Turbo
Joined: Dec 2002
Posts: 664
Likes: 129
From: Columbia, MD
Go with new...
When my vacuum pump failed, the pump casing fractured between the drive cam and the pump diaphragm & chamber. Result was the pulley, bearings, and cam intact and still rotating fine, but the pump head was flopping free in the engine bay, on the end of the vacuum hose, and not generating any vacuum. The fracture looked like metal fatigue, and was across a thin area of the casing.
New moving parts in an old casing doesn't sound like a good deal to me. The old casing may already have an undetected fatigue crack started, resulting in premature failure.
New moving parts in an old casing doesn't sound like a good deal to me. The old casing may already have an undetected fatigue crack started, resulting in premature failure.
Thread Starter
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Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
i would love to do hydroboost, i love it on the bronco! but i dont have the time or money right now and just wanna get her back on the road.
i am looking at buying a pump from rockauto... its a Cardone Select for $98. anyone have an opinion on brands?
-cutts-
i am looking at buying a pump from rockauto... its a Cardone Select for $98. anyone have an opinion on brands?
-cutts-
Trending Topics
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
I don't think it really matters Cutts. Pump is a pump. Any can fail. Had 2 napa's fail both under 12 k on them but have also had the rest of them go the distance.
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Thread Starter
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Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
lol whats up chris? havent seen you on in ages! jenny and i need to get back down there before it gets too hot! maybe ken will bring the maz, lol
i am just gonna pick up a cardone from autozone tom, thanks everyone!
-cutts-
i am just gonna pick up a cardone from autozone tom, thanks everyone!
-cutts-
Its Comin Right for us!
Joined: Feb 2005
Posts: 12,144
Likes: 2,631
From: GA
HE scrapped the maz
YA man yall are welcome to come down any time, I want to come see your place again too
I need to talk to you bout your VW, we have been looking for one for about a month now...looked at a few here and there
YA man yall are welcome to come down any time, I want to come see your place again too
I need to talk to you bout your VW, we have been looking for one for about a month now...looked at a few here and there
Posting Guru
Joined: Apr 2004
Posts: 1,424
Likes: 0
From: AZ
Funny story.....
drove 8 hours to where I needed to be and brakes felt a little hard. whoa thats wierd haha had to stop with emergency brake IN the driveway (talk about lucky). Anyways got a rebuilt one and was swapping out the pully and got it off original and while putting it on new one I tapped TOOOO hard and broke new one.
I was mad for a sec and looked at it for a few minutes knowing its a 2 hour drive to part store. Ended up using new diaphram and old pully (come to think of it that still has delo motor oil in it) haha.
Thats been 2 years ago and no trouble
drove 8 hours to where I needed to be and brakes felt a little hard. whoa thats wierd haha had to stop with emergency brake IN the driveway (talk about lucky). Anyways got a rebuilt one and was swapping out the pully and got it off original and while putting it on new one I tapped TOOOO hard and broke new one.
I was mad for a sec and looked at it for a few minutes knowing its a 2 hour drive to part store. Ended up using new diaphram and old pully (come to think of it that still has delo motor oil in it) haha.
Thats been 2 years ago and no trouble
VT Chapter Ldr
Joined: Apr 2004
Posts: 96,102
Likes: 294
From: Orange, Vermont
I had to replace mine this spring with a parts store one, so far it is working good. A little advice though is you may want to use some silicone or something similar to hold the hat over the intake port. I got luck because mine fell off after I had it on the truck but it stayed on the frame, so I used some silicone to hold it on and so far it has stayed.
Thread Starter
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Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
what do you mean hat? i have installed the pump but didnt see anything that was trying to fall off
are you supposed to oil or grease these things up before using them? i have read you are supposed to but i havent found an official procedure
-cutts-
are you supposed to oil or grease these things up before using them? i have read you are supposed to but i havent found an official procedure
-cutts-
VT Chapter Ldr
Joined: Apr 2004
Posts: 96,102
Likes: 294
From: Orange, Vermont
in the center of the big round part there is a smaller round depression where it sucks the air into it, there is an aluminum cap that goes over it. My original one had it and the new one did also. With the new one, I had to put the cap into that depression, and it looked like it was an interference fit, but it fell off. I was lucky that it stayed on top of the frame, then I took some silicone and put it around the base to help hold it on, so far it has stayed.