Will stop leak temporarily help with a blown heater core
3 Answers
KenF answered 2 years ago
No reason why it shouldn't. You could also cap off the heater lines and adjust coolant level until you get a new heater core.
Bob answered 2 years ago
It might, but it may or may not cause problems elsewhere. The best fix is replacing the bad heater core. I would never use the stop leak products in my own vehicle, but many people have good luck with them.
Your Answer:
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