I blew my head gaskets last week on my 92 Legend. I used blue Devils pour-n-go sealant til I get my head gaskets replaced. The sealant helped my situation for the time being.

Asked by Jan 16, 2015 at 04:43 AM about the 1992 Acura Legend Sedan FWD

Question type: Maintenance & Repair

There's no more white smoke
coming from my exhaust but now I'm
overheating and losing coolant. What
could be making me lose coolant?
Also my heater doesn't blow out any
hot air, or any air at all. I had the
heater hose replaced back in
octobyand it was working fine. Then
one day it started blowing cold air
and just stopped blowing anything all
together. One I try to turn on my
heater, I hear a noise as if it wants to
come on but it doesn't. Could my
heater core be plugged? Is it safe to
flush the radiator on this type of car?

2 Answers


The sealant you used has not only temporarily fixed the head gasket but permanently plugged up the engine cooling system. Penny wise. Pound foolish.


Mark is right, you just created more damage, you can try flushing but I doubt it will work, once that stuff gets in there you can't get out. Your heater core could also be plugged, but if you don't hear the fan running you could have a blower circuit problem. Is your heating system electronic or manual?

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