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Bad main bearing? Billman please chime in

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Old 04-11-2014, 05:30 PM
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Do you have excessive crankcase pressure to blow up the seals?

Did you check vtec solenoid / screen?
Old 04-12-2014, 03:54 PM
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Originally Posted by starchland
Do you have excessive crankcase pressure to blow up the seals?

Did you check vtec solenoid / screen?

Yea the seals were blown up causing the oil to leak into the spark plugs.
Old 04-12-2014, 03:55 PM
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Originally Posted by JFUSION
bad main bearings sound different than bad rod bearings. With bad main bearings the motor takes on a different sound and has some increased vibrations. Oil light on at idle is consistent with bad main bearings. Bad rod bearings have a very distinctive knock.

I would definitely drop the oil pan, I am pretty sure you will find the answer in there. I'm surprised you didn't find any metal shavings in the vtec solenoid screen ?, they can end up there sometimes.

This is what bad main bearings look like:

I'm going to drop the pan tomorrow and see what I find . I have been putting if off because I'm scared of what I am going to find . I will keep you guys updated . Thank you for you're input guys
Old 04-12-2014, 04:58 PM
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Originally Posted by 305AP1
Originally Posted by starchland' timestamp='1397266209' post='23108722
Do you have excessive crankcase pressure to blow up the seals?

Did you check vtec solenoid / screen?

Yea the seals were blown up causing the oil to leak into the spark plugs.
Maybe from scuffed cylinders.
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