July 27, 201213 yr 03 legacy Head gaskets replaced 2 years ago. Cap has been popping off here lately and causing coolant to spill. What could cause this? Not my car, just going by what my buddy tells me.
July 27, 201213 yr Author Will advise. New one to me. Never heard of that cap wearing out. He did text me back later and said he had been hearing air in the system at startup. Yeah...:-\
July 27, 201213 yr Replace the radiator cap. If coolant is pushing out of the reservoir it is either boiling, over-pressured, or over-filled. 2 of those can be caused by a bad radiator cap.
July 27, 201213 yr Author Replace the radiator cap. If coolant is pushing out of the reservoir it is either boiling, over-pressured, or over-filled. 2 of those can be caused by a bad radiator cap. Suggested that last night to him. I have had some weird issues when it comes to radiator caps failing. Thanks guys.
July 27, 201213 yr I think a Subaru cap is only like $10 or $12. Parts store cap is what... $8? Might as well get the real thing. Knowing Subaru cooling systems and their penchant for pickiness...
July 27, 201213 yr or its the dreaded headgaskets are bad and pumping exhaust gas into the system overpressurizing it and doing it. i know the pre 99s were NOTORIOUS for that, and the 00-03s were semi prone, but usually leak externally. keep us updated.
Please sign in to comment
You will be able to leave a comment after signing in
Sign In Now