Koyo Radiator Drain Plug Bad?
Thread Starter
Joined: Feb 2001
Posts: 5,015
Likes: 68
From: San Diego, CA
Koyo Radiator Drain Plug Bad?
Just installed a brand new koyo in my fd and when I shut it off there is a small leak coming from the drain plug. 
I've visually checked the upper, lower and small hose that goes from the ast to the radiator and there are no wet spots. Has anyone experienced this problem before? The stock drain plug on the factory radiator should screw right in correct? Also, does the koyo plug have the plastic gasket like the stock one does? I never unscrewed mine but I guess I'll find that out later when I swap plugs. Thanks in advance.
I've visually checked the upper, lower and small hose that goes from the ast to the radiator and there are no wet spots. Has anyone experienced this problem before? The stock drain plug on the factory radiator should screw right in correct? Also, does the koyo plug have the plastic gasket like the stock one does? I never unscrewed mine but I guess I'll find that out later when I swap plugs. Thanks in advance.
1JZ powered
Joined: Jul 2001
Posts: 4,423
Likes: 0
From: Where there's only two seasons, hot and wet! I love Okinawa
Re: Koyo Radiator Drain Plug Bad?
Originally posted by RX7 RAGE
Just installed a brand new koyo in my fd and when I shut it off there is a small leak coming from the drain plug. I've visually checked the upper, lower and small hose that goes from the ast to the radiator and there are no wet spots. Has anyone experienced this problem before? The stock drain plug on the factory radiator should screw right in correct? Also, does the koyo plug have the plastic gasket like the stock one does? I never unscrewed mine but I guess I'll find that out later when I swap plugs. Thanks in advance.
Just installed a brand new koyo in my fd and when I shut it off there is a small leak coming from the drain plug.
I've visually checked the upper, lower and small hose that goes from the ast to the radiator and there are no wet spots. Has anyone experienced this problem before? The stock drain plug on the factory radiator should screw right in correct? Also, does the koyo plug have the plastic gasket like the stock one does? I never unscrewed mine but I guess I'll find that out later when I swap plugs. Thanks in advance.
26.55 psi T04Z Monster
Joined: Jul 2001
Posts: 832
Likes: 1
From: Denver
For anyone reading this I had the same problem with my Fluidyne. For some reason the plant seams to forget one important rule wiht metal----EXPANSION. The plugs are brass and the radiator is aluminum teflon tape is a must.
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