View Single Post
Old 04-01-2014, 01:37 AM   #4 (permalink)
2000mc
herp derp Apprentice
 
Join Date: Oct 2008
Location: Lawrence, KS
Posts: 1,049

Saturn-sold - '99 saturn sc1
Team Saturn
90 day: 28.28 mpg (US)

Yukon - '03 GMC Yukon Denali
90 day: 13.74 mpg (US)
Thanks: 43
Thanked 331 Times in 233 Posts
i switched from a pcv valve to an orifice pcv a few years ago, improved my oil mileage by somewhere between 33-50%


Quote:
Originally Posted by Old Mechanic View Post
Possibly a leaking head gasket. The muddy liquid sounds like a mix of coolant and oil. Are you loosing any coolant?

regards
Mech
i've been seeing a pool of nasty looking oil in the intake tube on all the gm 3.6s right by the pcv breather tube. i was guessing aerated oil mixing with humid air. either way, i wouldnt pour it back in
  Reply With Quote