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11-22-2016, 09:35 PM
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#26 |
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Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Well..... shoot
If not mentioned already there is a weap hole in the bottom side of the water pump just forward of the impeller bearings and almost covered up by the water pump pulley, its possible the seal could be going bad, or if sealant was not used on the water pump bolts that go into the water jacket.
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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11-22-2016, 09:58 PM
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#27 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,583
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Re: Well..... shoot
Yep, that was one of the first things I was able to eliminate. Water pump stays bone dry and there's no hint of leakage there, no staining at all. Right now it looks like the radiator itself is the culprit.... just need to get it to the city to have it pressure tested.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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11-22-2016, 10:25 PM
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#28 | |
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Proprietor of Dale's Corner
Join Date: Nov 2012
Location: Vacaville , CA
Posts: 15,977
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Re: Well..... shoot
Quote:
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"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man |
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11-28-2016, 11:50 PM
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#29 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,583
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Re: Well..... shoot
Update, made it to the city today, the radiator is fixed! My research into new ones was for naught, at least for the time being. They found a leak where the outlet tank joined the core, so it was removed and resoldered. Additional leaks were found at the transmission cooler inlet & outlet, and the heater hose nipple. All small but they add up.
Will start installing it tomorrow (no time tonight) and flush the system and give her some fresh Prestone. Wish I hadn't lost that shroud clip, but it stays in place with just one so no worries. 
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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11-29-2016, 08:01 AM
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#30 |
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Proprietor of Dale's Corner
Join Date: Nov 2012
Location: Vacaville , CA
Posts: 15,977
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Re: Well..... shoot
That's good news.
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"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man |
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11-29-2016, 10:29 AM
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#31 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,862
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Re: Well..... shoot
Always a good feeling when a 45 year+ Harrison can be saved. Them's some good radiators right there!
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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11-29-2016, 11:15 AM
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#32 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,583
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Re: Well..... shoot
Well Tim, I wish that was the case.... but the OEM failed 12 years ago and was scrapped. This was its 4-row replacement.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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