TwinTurbo.NET: Nissan 300ZX forum - vacuum bleeding coolant system
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Subject vacuum bleeding coolant system
     
Posted by inf on September 02, 2016 at 10:23 PM
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Message has anyone had an issue trying to use a vacuum bleeder on any vehicle? I'm using one on a 06 X5 3l. For some reason mine isn't pulling full vacuum and kinda tweaking out at 15 hg and I heard air leaking underneath the intake manifold near the engine. If I use a pressure tester it'll hold though. I'm curious if the head gasket or something is busted where pressure holds, but vacuum doesn't.

     
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