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07-04-2016, 02:43 AM
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#1
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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Replaced My 8.1 Vortec Water Pump Problems and Solutions
I learned a lot while changing out my water pump myself I thought I would share this journey.
Total cost $150.00
Used AC Delco 252-783
Took both old and new pumps apart to compare quality
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07-04-2016, 07:51 AM
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#2
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Senior Member
Join Date: Feb 2003
Location: Jarrell, TX 76537
Posts: 4,501
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Nice video Kevin...
__________________
Dale
AKA - Oemy
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07-04-2016, 10:11 AM
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#3
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Senior Member
Join Date: Mar 2015
Location: El Paso Texas
Posts: 146
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Great video! The best I've seen, thank you for taking the time to record it.
Duane
__________________
El Paso Texas, 2008 Adventurer Limited UFO (Rear Gas Engine), Ultrapower, Magnaflow, MSD Coils, Sumo Springs, TruCenter, flat tow CJ7 & 2018 Civic Hatchback
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07-04-2016, 12:11 PM
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#4
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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Thank you for watching.
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07-05-2016, 07:09 AM
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#5
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Senior Member
Join Date: Nov 2013
Posts: 5,782
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Great video.
Were the new water pump gaskets the silicone o-ring type or the older flat paper style?
Did you drain the coolant through the bottom hose or just let it drain from pump removal?
Did the pump come out the bottom or from the top? (Thinking it has to come out the bottom.)
__________________
2015 Tiffin Phaeton 40QBH
2018 Chevrolet Colorado Toad
Roadmaster Tow Setup
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07-05-2016, 10:41 AM
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#6
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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Yes silicone o-ring type just like the factory ones i removed
Bottom hose .. A petcock would have been nice..
Yes removed from the bottom
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07-05-2016, 02:17 PM
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#7
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Senior Member
Tiffin Owners Club Workhorse Chassis Owner
Join Date: Dec 2010
Location: Northern Virginia
Posts: 1,499
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I appreciate you sharing your knowledge - great video.
__________________
Tom and Amy from Northern Virginia.
2000 Allegro 454/Workhorse P32/TST/Crossfire
Life is a DIY project, so own less and live more 
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07-05-2016, 03:44 PM
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#8
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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Thanks for commenting, and watching.
I may have anther video soon.
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07-05-2016, 05:59 PM
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#9
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Senior Member
Workhorse Chassis Owner Rexhall Owners Group
Join Date: Feb 2003
Location: Everywhere,USA
Posts: 1,520
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Keep up the good work. We need more videos like this to encourage people to work on there own Workhorse. It’s really not that hard.
__________________
Full-Timers
in a
2003 Rexhall Aerbus 3550BSL
W22 Workhorse
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07-05-2016, 06:21 PM
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#10
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Senior Member
Newmar Owners Club Fleetwood Owners Club
Join Date: Jul 2013
Location: DFW
Posts: 1,473
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Thanks
__________________
2009 Fleetwood Excursion 40E
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07-05-2016, 08:52 PM
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#11
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Senior Member
Join Date: Mar 2014
Location: Campbellsville Ky
Posts: 510
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Great video What was the wp small hose part # thanks
__________________
2008 American Tradition 42C 2018 JUL Jeep Wrangler
2004 Newmar Dutch Star 4010 Spartan (Sold)
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07-05-2016, 11:43 PM
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#12
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Senior Member
Workhorse Chassis Owner
Join Date: Feb 2005
Location: Anderson, IN
Posts: 476
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Thanks for the great video and the part numbers.
Dave
__________________
2004 37B Adventurer, 8.1 WH, Ultrapower, DIY CAI, Henderson Track Bar, Tru Center, Koni FSD's, Roadmaster Even Brake, Scan Guage II, 180 Thermostat,
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07-06-2016, 05:00 AM
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#13
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Senior Member
Join Date: Nov 2013
Posts: 5,782
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Do you recall if the holes where the pump bolted on were blind holes? Was thinking about that last night and wondering if they weren't how do they seal the bolts. Thinking they were but wasn't sure.
Thanks for all the information, you are definitely blazing trails here for the rest of us. I crawled under last night and used a flashlight, everything looks OK for now but think I may do this prior to our big trips we have planned from east to west coast. It would probably be smart preventative maintenance.
__________________
2015 Tiffin Phaeton 40QBH
2018 Chevrolet Colorado Toad
Roadmaster Tow Setup
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07-06-2016, 05:18 AM
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#14
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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Hose part number:
ACDelco 12558968 GM Original Equipment Thermal Bypass Hose Assembly
Yes I be-leave all 4 mounting bolts had blind holes.
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