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DRM500RUBYZR-1 · 12-19-2024

Purchase a coolant pressure tester and bring it up to 14 or 15 pounds no higher as you do not want to stress the old heater core and observe how it holds up for awhile.
Sounds like a minor leak as previous poster stated.
Keep us posted.

Marty

12-19-2024	#3
DRM500RUBYZR-1 Join Date: Sep 2008 Location: Mullica Hill, NJ Posts: 2,650	Re: Coolant tank emitting faint smell? Purchase a coolant pressure tester and bring it up to 14 or 15 pounds no higher as you do not want to stress the old heater core and observe how it holds up for awhile. Sounds like a minor leak as previous poster stated. Keep us posted. Marty