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Can't use cap/jiggle test on B230; here's an alternative test that's actually more sensitive (good for older engines, too) .... 200

posted by  Ken C on  Wed Dec 20 04:26 CST 2006
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last visit: Fri Oct 24 11:39 CST 2014
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You may not have the high pressure you think. The "cap/jiggle" test doesn't work on the B230s because the cap is different.

Instead, take a piece of cellophane or plastic food wrap, and lay it over the oil fill hole with the engine running (hold it gently in place with your fingers). If the plastic bends out (swells up), you've got positive pressure; if the plastic membrane bends inward (is drawn down), you've got negative pressure.

Good luck.





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New crankcase pressure still high [200]
posted by  volvosfive subscriber  on Wed Dec 20 01:15 CST 2006 >


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