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Joined: Nov 2004
Posts: 216
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Nov 2004
Posts: 216 |
Do you have to put any sealer around the edges of freeze plugs before you press them in?
1939 Chevy 1 1/2 ton dually rear wheel pickup
1940 Chevy 1 1/2 ton single rear wheel pickup
1946 Chevy 2 ton cab and chassis
1977 Chevy 3/4 ton camper special 4x4
Obsessed 16yr old Chevy truck nut
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
It is a good idea but normally not necessary. With our older engines any corrosion or irregularity in the seat area for the "Welch plug" (yes they are really Welch plugs and NOT freeze plugs) could result in a leak. Best to add sealer to be sure that everything is A-OK.
How Sweet the roar of a Chevy four!
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Joined: Nov 2004
Posts: 216
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Nov 2004
Posts: 216 |
Ok thanks. I just punded them in and used a bead of high temp sealer.
1939 Chevy 1 1/2 ton dually rear wheel pickup
1940 Chevy 1 1/2 ton single rear wheel pickup
1946 Chevy 2 ton cab and chassis
1977 Chevy 3/4 ton camper special 4x4
Obsessed 16yr old Chevy truck nut
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Joined: Dec 2001
Posts: 279
Backyard Mechanic
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Backyard Mechanic
Joined: Dec 2001
Posts: 279 |
Bob,
I would recommend a sealant such as Permatex #2.
I would not use a silicone sealant (which I think you are using based on your comment of "bead".)
The silicone type will not seal well in this application.
Oliver J. Giorgi
Technical Advisor
1958 Passenger Car
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Joined: Nov 2004
Posts: 216
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Nov 2004
Posts: 216 |
I did not use a silicone sealer, I just meant that I coated the edge of the plug.
1939 Chevy 1 1/2 ton dually rear wheel pickup
1940 Chevy 1 1/2 ton single rear wheel pickup
1946 Chevy 2 ton cab and chassis
1977 Chevy 3/4 ton camper special 4x4
Obsessed 16yr old Chevy truck nut
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
The universal sealer: "SNOT". Just dip the "welch" plugs in old faithful and install. If you coat the steel plugs in the magic formula it will also delay them from rusting. 
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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ChatMaster - 3,000
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