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Cute little trick to diagnose blocked CCV system...

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I just came across this interesting little trick for diagnosing blocked CCV in the Volvo forum:

With the oil cap sealed, engine on, stick a balloon over the dipstick tube and see if it inflates. If it inflates you need to service the PCV system.

...Lee


I think he meant with the dipstick removed, so the balloon goes over the dipstick housing.

No balloon, no problem, get an old dish washing glove, cut a "finger" off and tie it with rubber band.

http://www.matthewsvolvosite.com/forums/viewtopic.php?f=1&t=28322
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What if the O-ring is bad on the oil dipstick what is still make the glove blow up

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