John Deere 425 Oil fill cap pops off

13 years ago

Building too much crankcase pressure, I guess. Is there a PCV valve I should clean or replace? Where is it located?

It has 850 hours and has received regular maintainence including replacement of the cam. Other than blowing the fill cap off it runs just fine and makes good power.

Thanks,

Ed

Comments (3)

rustyj14
13 years ago
Better check the crank-case breather system. It might be plugged by something. Maybe sludge, oil residue, or a wasp egg! I'm not familiar with that particular engine, but a plugged breather would cause the problem.
daft_punk
13 years ago
Could also be a failing head gasket letting in too much combustion gases.
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jasolution_gmail_com
12 years ago
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John Deere 425 Oil fill cap pops off

Comments (3)

rustyj14

daft_punk

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