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-   -   C4 1984 coolant drain plug on motor (https://www.corvetteforum.com/forums/c4-tech-performance/4829290-c4-1984-coolant-drain-plug-on-motor.html)

ssro 05-05-2024 02:34 PM

C4 1984 coolant drain plug on motor
 
I got a 1984 corvette and i had a head gasket blown up, and so i removed the heads, i sent them to get shaved, but now my dilema is that i dont find the drainplug for my coolant. I did open the oil drainplug and removed the oil/coolant, and removed oil filter, did not open the oil pan, just drained the car in a angle so it has nothing l3ft in it. I will wash the engine with diesel by puting it through oil chanel on top of the head, but i still did not find the coolant drain plug. Please help me.

ssro 05-05-2024 04:25 PM

So i found the 2 drain plugs on the block, one on each side with sensors on it, but im still missing the rad drain plug, maybe there is none but on pro demand it says theres one so im lost

s carter 05-05-2024 04:28 PM

Pull the knock sensor and there should be a similar port on the other side, you can also pull freeze out plugs but that get Laborious.
If you're also looking for a drain on radiator that is on the back face of the tank.

ssro 05-05-2024 07:21 PM


Originally Posted by s carter (Post 1607780850)
Pull the knock sensor and there should be a similar port on the other side, you can also pull freeze out plugs but that get Laborious.
If you're also looking for a drain on radiator that is on the back face of the tank.

wow thanks man, is it on the driver side or passenger side, the rad plug?

Whaleman 05-05-2024 08:29 PM

My 96 is on the passenger side. Dan

s carter 05-05-2024 10:10 PM


Originally Posted by ssro (Post 1607781334)
wow thanks man, is it on the driver side or passenger side, the rad plug?

I believe its on the passenger, it's hard to find it's reassed under the cooler lines

mike1111 05-06-2024 12:21 PM


Originally Posted by ssro (Post 1607780550)
I got a 1984 corvette and i had a head gasket blown up, and so i removed the heads, i sent them to get shaved, but now my dilema is that i dont find the drainplug for my coolant. I did open the oil drainplug and removed the oil/coolant, and removed oil filter, did not open the oil pan, just drained the car in a angle so it has nothing l3ft in it. I will wash the engine with diesel by puting it through oil chanel on top of the head, but i still did not find the coolant drain plug. Please help me.

my 84 has plug on side of block, but I couldn't get it lose

Whaleman 05-06-2024 04:26 PM

The drain on the radiator (at least on my 96) is not hard to find. Dan


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