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12-27-2017, 12:30 AM
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#1
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Name: smokin247
Title: Too Much Time
Status: Not Here
Join Date: Aug 2010
Member`s Gallery
Posts: 374
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Rear freeze plug coolant leak solutions
Well after over a year of dealing with airdog I finally have a working fuel pump so I can actually get the engine running currectly but my billet EatSoot rear freeze plug leaks constantly. Plugging in the block heater makes it leak a stream just from the thermal expansion. I've tried new o-rings I contacted EatSoot and got told I was out of luck for any help from them. Has anyone made their own plate? I was thinking of machining a new one that uses a gasket to the block instead if an oring. It sucks that I bought all the best parts and had problems from every single company backing their parts. Lost all faith in this industry.
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97 nv4500 4x4. 63/68/.83, 5x.014, 025dv, airdog 4g 165, Hellman sump, steedspeed T4, bored .020 over, Mahle pistons, balanced crank, o-rings, valve job, Hamilton 188/220, Hamilton HD pushrods, SDX beehive springs & retainers, valair DD, and every bolt ARP makes.
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12-27-2017, 03:23 AM
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#2
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Name: Cflanery88
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Shelby, MI 49455
Member`s Gallery
Posts: 536
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I’m running the fleece bypass kit with no issues. Cummins actually had a rear coolant outlet that replaced the rear freeze plug ising an o-ring that seats on the outside of the block not in the freeze plug bore and the housing bolted in the same place as the rear billet freeze plug. I have one in the garage I should check it out to see if it’d work for you. I can’t remember if the one I have uses a gasket or O-ring.
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06 Dodge Ram 2500 6.4L, Wagler +.080 rods, Hobbit tuned, Exergy150% injectors,Polished s475/87 1:0 A/R Engineered Turbo Billet Wheel,arp625s,14mm main studs,PPE dual fuelers,Hamilton 188/220,extreme pushrods,Fleece bypass/drains/distribution block,110#springs.
Last edited by Cflanery88; 12-27-2017 at 03:28 AM.
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12-27-2017, 03:32 AM
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#3
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Name: Cflanery88
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Shelby, MI 49455
Member`s Gallery
Posts: 536
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Looks like this. But looks like it might be a square cut seal like the water pump.
Sent from my iPhone using Tapatalk
__________________
06 Dodge Ram 2500 6.4L, Wagler +.080 rods, Hobbit tuned, Exergy150% injectors,Polished s475/87 1:0 A/R Engineered Turbo Billet Wheel,arp625s,14mm main studs,PPE dual fuelers,Hamilton 188/220,extreme pushrods,Fleece bypass/drains/distribution block,110#springs.
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01-02-2018, 09:20 AM
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#4
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Name: GOT-Torque
Title: is
Status: Not Here
Join Date: Jul 2007
Location: Falls City, NE
Member`s Gallery
Posts: 5,284
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smokin247, I don't recall the phone conversation however I would gladly offer a refund for your purchase (shoot me a PM). Given your situation, I would suggest a plate like the one shown above that seals to the back of the block instead of the ID of the hole. That would ensure a good seal even if the ID of the hole is oversized.
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"Enjoy the little things in life, because one day you will look back, and realize they were the big things"
EATSOOT.com
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01-02-2018, 10:02 AM
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#5
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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Here's the Cummins diagram. Looks like it was used for some different coolant plumbing applications such as Air Compressor Plumbing, Cabin Heater Plumbing, Exhaust Manifold Plumbing, etc.
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Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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01-02-2018, 10:31 AM
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#6
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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The main piece is available from Cummins. Probably run @ $65-$75.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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01-02-2018, 11:02 AM
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#7
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
Member`s Gallery
Posts: 4,715
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Most motor homes had those plates.
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01-02-2018, 11:34 AM
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#8
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Name: 9724VF350
Title: Tractor Guy
Status: Not Here
Join Date: Mar 2010
Location: Northeast Ohio
Member`s Gallery
Posts: 2,784
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Over a period of time, o-ring style plugs and heaters can leak due to expansion and contraction moving the o-ring back and forth and wearing it out.
Your problem could just be a pitted freeze plug bore, I've seen blocks so ugly that a OEM freeze plug wouldn't even fit snug in the bore.
The OEM water manifold is a pretty good solution since it's o-ring seals on the rear face of the block, rather than in the bore.
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97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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