mario_82_ZXT Posted August 7, 2006 Share Posted August 7, 2006 Ok... I've been reading and reading posts and I get that simply looping the heater core inlet and outlet lines is very bad. I read more and I found that you should just cap them. Then I read more and Tony D says you must have a recirculation line of some sort... so does that mean I can't just cap them??? The "vacuum capsule" on my 78 280z keeps leaking after I took it completely apart, cleaned the mating surfaces, and put sealent on the outer o ring (the one I thought was causing the leak. Is this part replaceable? It's a vacuum activated valve for heater core flow. I found a similarly shaped one for GM vehicles that is practically the same except it is missing the mounting bracket. Ideas? Mario Quote Link to comment Share on other sites More sharing options...
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