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Sudden oil leak 200 1987

posted by  someone claiming to be Manolo on  Mon Jan 3 02:28 CST 2005 [RELATED]

The other posts forgot to mention why your rear cam cap may have blown out.

The cause of 'leakage' around your oil fill cap and blown rear cam seal caps is usually a plugged flame arrestor. The tubing and oil droplet separator below the flame arrestor can also become plugged up.

You could also have more serious problems that caused an increase in blowby and a corresponding increase in crankcase air pressure.

It's hard to get that hole clean and dry enough so that the cap won't immediately blow out again. There are a couple of small threaded holes on the back of the head. You can make a small retainer bar and bolt it over the cap, or the volvo parts online stores will sell you a fabricated retainer and bolts as a kit.

You can also try securing the cap with some oil-resistant sealant, preferably O2 sensor safe sealant.






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