sudden coolant release when spark plug removed
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Joined: Mar 2005
Posts: 85
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From: Pittsburgh PA
sudden coolant release when spark plug removed
Working my 1993. I just finished pulling the water pump and Opti due to coolant leaking from the water pump. While putting on the new water pump I diceided to do new wires and plugs (wires are original, I did the plugs 12 years ago). I still have the drain open and have not yet put the water pump on or hoses back together. I replaced plugs 2 and 4 and then moved on to 6 and 8. When I pulled 8 i heard a decent amount of coolant flow to the drain pan under the car. I didn't find any coolant when removing any of the plugs so far...but hearing that made me nervous. Did I just release pressure or do I have a bigger issue on my hands?
Drifting
Joined: Nov 2018
Posts: 1,759
Likes: 647
From: USA
Working my 1993. I just finished pulling the water pump and Opti due to coolant leaking from the water pump. While putting on the new water pump I diceided to do new wires and plugs (wires are original, I did the plugs 12 years ago). I still have the drain open and have not yet put the water pump on or hoses back together. I replaced plugs 2 and 4 and then moved on to 6 and 8. When I pulled 8 i heard a decent amount of coolant flow to the drain pan under the car. I didn't find any coolant when removing any of the plugs so far...but hearing that made me nervous. Did I just release pressure or do I have a bigger issue on my hands?
Melting Slicks
Joined: May 2014
Posts: 2,894
Likes: 592
From: New Port Richey FL
I know how you're mind is working, you're thinking I just pulled the plug and now it's allowing air into coolant jacket allowing flow. But let's be calm now, finish up the Opti install and wire routing leave the plugs out. Put the coolant system back together enough to and fill it pressure test coolant system see if that cylinder has coolant flow. If you pulled the plug and you had coolant flow out of plug hole on to you're hand I would be telling to plan a head removal.
Trufully I think it was just coincidences that a bit of air got behind a coolant pocket while fighting with a plug
Trufully I think it was just coincidences that a bit of air got behind a coolant pocket while fighting with a plug
Last edited by s carter; Jan 9, 2022 at 02:45 PM.
