1988 itasca phasar

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1988 itasca phasar

Unread postby bruss777 » Tue Mar 13, 2018 11:27 am

I was told by a mechanic that I'm getting a little engine blowback and he recommended I add some Engine Restore. Anyone done this?

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Re: 1988 itasca phasar

Unread postby ziggyandlynn » Tue Mar 13, 2018 6:01 pm

Hello bruss777 (Do you have a name)?

A small amount of blow-by is normal. The PCV (positive crankcase ventilation) system directs those blow-by fumes to the air intake system and they are burned by the engine. If your PCV system is plugged, or if the hose is cracked, leaking, or disconnected, the system will not consume the blow-by fumes. Check the system including the fixed orifice (which is located inside the PCV hose) for proper operation.

If the PCV system is working properly and you still have excessive blow-by coming out of your oil filler cap, that indicates that you have piston rings not sealing properly. They could be seized, broken, or worn out.
Some chemical cleaners "MAY" help free up seized or sticking rings. They will not help if the rings are not working properly due to being broken or worn out.

Make sure the PCV system is working properly first.


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