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12-31-2004, 10:23 AM
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#1
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Rivet Master
Currently Looking...
Seattle
, WA
Join Date: May 2003
Posts: 620
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Hydro-boost needs rebuild
The mechanics at the Chevy dealership said they couldn't get the rod out of the middle of this thing, and are sending it to a rebuild place. They say that if it can't be rebuilt, they haven't found a replacement yet. Any ideas where we can find one?
__________________
2000 Ford E-350 Super Duty 418ci/6.8L Triton V10 21’ Chinook Concourse XL
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12-31-2004, 12:08 PM
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#2
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Rivet Master
1959 22' Caravanner
Atlanta
, Georgia
Join Date: Feb 2003
Posts: 2,197
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Quote:
Originally Posted by Astrodokk
The mechanics at the Chevy dealership said they couldn't get the rod out of the middle of this thing, and are sending it to a rebuild place. They say that if it can't be rebuilt, they haven't found a replacement yet. Any ideas where we can find one?
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Thats not an uncommon part. There are plenty of places to get that. This guy and I had some debates about the need for Hydroboost on some vehicles. Tell him "Grim Reaper" sent you. He will get a laugh out of it. He makes custom set ups from stock GM parts and should be able to set you up with what you need.
http://www.hydroboost.com/index.html
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1959 22' Caravanner
1988 R20 454 Suburban.
Atlanta, GA
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12-31-2004, 03:12 PM
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#3
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Rivet Master
Currently Looking...
Seattle
, WA
Join Date: May 2003
Posts: 620
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Quote:
Originally Posted by 59toaster
Thats not an uncommon part. There are plenty of places to get that. This guy and I had some debates about the need for Hydroboost on some vehicles. Tell him "Grim Reaper" sent you. He will get a laugh out of it. He makes custom set ups from stock GM parts and should be able to set you up with what you need.
http://www.hydroboost.com/index.html
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Thanks. I sent them an email.
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2000 Ford E-350 Super Duty 418ci/6.8L Triton V10 21’ Chinook Concourse XL
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12-31-2004, 03:23 PM
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#4
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2 Rivet Member
1992 35' Airstream 350
Huntington Beach
, California
Join Date: Jun 2003
Posts: 36
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hydro-booster
When my hydro-booster went out i replaced it with a new one from Workhorse Chasis. Good Luck ...
http://www.workhorse.com/
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12-31-2004, 04:29 PM
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#5
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RivetAddict
1986 34.5' Airstream 345
Louisville
, Kentucky
Join Date: Feb 2003
Posts: 1,861
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You will want to double check the part number on this but I found them on www.rockauto.com for the P30 MH Chassis for both 2 wheel and 4 wheel disc brake systems. Rebuilts for around $200 less a $40 core).
Again check the p/n but I've ordered parts from these guys before and have had no problems at all.
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Steven Webster
1986 Airstream 345 Classic Motorhome
AIR 1760
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03-03-2005, 07:39 AM
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#6
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3 Rivet Member
Join Date: Jun 2003
Posts: 212
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I'm replacing the Hydro-Boost power brake unit in my '74 Argosy. This thing was a real bear to remove, but it's finally out. Now, I can't figure how to remove the pushrod from the front end. There appears to be some sort of retaining ring down deep in the bore, but I really don't want to force anything.
Can anyone who's been there offer guidance?
Bob
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03-03-2005, 02:24 PM
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#7
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Rivet Master
Currently Looking...
Seattle
, WA
Join Date: May 2003
Posts: 620
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Since I hired the dealer to do the job, I have no first hand knowledge of the difficulty of removing the rod, but i was told by them that it was a bear and actually, the rod came out in the hydroboost and they couldn't remove it from the housing...it had to be sent to a shop 100 miles away to get done and rebuilt. Good luck.
__________________
2000 Ford E-350 Super Duty 418ci/6.8L Triton V10 21’ Chinook Concourse XL
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03-03-2005, 07:54 PM
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#8
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3 Rivet Member
Join Date: Jun 2003
Posts: 212
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Got the pushrod out. Turns out the retaining collar is actually a hard rubber or flexible plastic material. The installed collar has to be destroyed to get the pushrod out. The replacement unit I bought from Rock Auto included a new retaining collar.
There's apparently a factory tool that will do the job easily. My solution, though less elegant, was effective (see pic). I attached the spider from the 3-jaw puller for my slide hammer to the pushrod. After chucking the Hydro-Boost in the vise, a few whacks sheared the retaining collar and freed the pushrod. The picture shows how I attached the pushrod to the slide hammer. Note that this is a big slide hammer, about 5 lbs.
In the photo, I've already installed the new collar on the pushrod. The pushrod should install with a few gentle taps. Now, to wrestle the whole assembly back into place!
Note: I assembled the pushrod to the slide hammer for photo purposes - it's not needed for reassembly. A much smaller dead-blow hammer should work.
Bob
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03-03-2005, 08:42 PM
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#9
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Aluminut
2004 25' Safari
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, Illinois
Join Date: Feb 2003
Posts: 10,477
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Just a question....are we talking about the same hydroboost found in my 2004 Suburban or is this the commercial heavy, heavy duty version?
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