Will stop leak temporarily help with a blown heater core

Asked by Sherri Dec 23, 2016 at 12:38 PM about the 1996 Subaru Legacy LS Wagon AWD

Question type: Maintenance & Repair

Pretty sure it is the heater core am going to replace it I just need to know if stop
leak will help for awhile

103,205

KenF answered 7 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.

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159,075

Bob answered 7 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.

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F_O_R answered 7 years ago

Alumaseal has worked great for me when I have needed it.

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Will stop leak temporarily help with a blown heater core

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Will stop leak temporarily help with a blown heater core

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