leak

2007 BUICK LA CROSSE
296,098 MILES • 3.8L • 6 CYL • FWD • AUTOMATIC
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MARQUIS MARZETTE
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  • 1 POST
Leaking antifreeze...... if I use any kind of sealant will that mess up my engine
Feb 4, 2016 at 10:56 AM
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HMAC300
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  • 48,601 POSTS
a lot of them don't work and some will plug the heater core. try the head gasket type of sealant. but be aware of what may happen best to have system pressure checked to see if it's a small external leak but probably a head/intake gasket
Feb 4, 2016 at 12:07 PM