Rear Freeze/Core Plug - Nissan : Datsun ZCar forum :Nissan Z Forum: 240Z to 370Z
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post #1 of 3 (permalink) Old 03-30-2019, 05:11 PM Thread Starter
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Rear Freeze/Core Plug

Hi there... I’ve been trying to remove the freeze plug from the rear of the engine (without removing the head). I’ve been having a really hard time removing it because there’s not much room between the back of the head and the firewall and it seems like the plug is rusted in there. I also tried heating it up with a blow torch but that didn’t work/help.

Does anyone have any ideas for how I can get the rear plug out without having to remove the head? Any solution that I can buy to “free” it up at all or a tool that may make it easier? I have to imagine someone out there has been able to remove the rear plug before without removing the head.

Thanks in advance!
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post #2 of 3 (permalink) Old 04-05-2019, 08:01 PM
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You did not say what year the z is.

North East Kentucky
1972 240z
70000 miles
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post #3 of 3 (permalink) Old 04-06-2019, 02:11 AM
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After removal, do you think you have enough room to get the new plug "pressed" into the hole? Or are you going to have to go with a rubber/bolt/washer plug? Just sayin'.

zippityzda
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