|04-13-2014, 02:31 PM||#1|
Join Date: Nov 2008
2003 VUE 3.0L
intermittent engine oil leak
2003 Vue 6 cyl. 3.0 -
I have an oil leak, about the size of a quarter, for 2-3 days in a row.
Then it stops for a few days. Then starts again.
It drips off from front of engine, slightly toward passenger side of center.
I see some wetness around the valve cover gasket, but this should be a constant leak.
I have replaced the oil pressure switch; no leaks. No leaks from oil filter housing.
My guess is that the v.c. gasket leaks down into a small collection area, where it 'stores up' for a while. When the pool fills, and/or fast/bumpy driving, the pool drains down to garage floor.
Thanks for any suggestions!
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|04-13-2014, 05:38 PM||#2|
Join Date: Oct 2008
Location: Cedar Rapids, IA
2005 VUE 3.5L
2007 VUE 3.5L
Re: intermittent engine oil leak
Problem would be worse during very cold weather (PCV hose freezes) or when you do a lot of low RPM driving.
There's at least one hose (and possibly two) leading from throttle body to the crankcase breather - located on transmission end of engine - cylinder bank nearest windshield.
One way (according to FSM) to verify system is operating normally is to remove oil dipstick - rev engine above 1500 RPM and check for vacuum at dipstick hole.
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