Oil leak???
Asked by Christopher Oct 05, 2018 at 09:43 PM about the 2008 Buick Lucerne CXL FWD
Question type: Maintenance & Repair
Ok I have an oil leak in my 08 Buick lucerne CXL V6
3.8l. my question is this.... How to fix it and to
determine the right part I need??? My head gaskets
are new, no leak from my oil pan. When I look at it
everything is covered with oil. See pictures.
10 Answers
Hornet_2497 answered 6 years ago
That is a pretty big leak so make sure you are maintaining the engine oil level until you figure it out. If you are sure it's motor oil, look around the valve covers, the oil filter, the PCV valve(s), the crankshaft main bearing seal...passenger side of engine, and dipstick tube. Make sure engine is not overfilled. Good Luck
Christopher answered 6 years ago
Been trying to. I put oil in and half way down the road oil light comes on. I will look at them in the morning. To dark to see anything. F_O_R Not trying to be an a$$ but yeah pretty sure it's oil
Check the valve cover gaskets.
Christopher answered 6 years ago
Checked those too. Those look brand new. It has to be lower
I would clean the engine and then look for the leak. Hard to tell when everything is covered. If the oil filter is on that side check it !
Christopher answered 6 years ago
Yeah true. I need to get some degreaser spray or something along those lines. The oil filter is on that side too. I may jack up the car tomorrow, take off the wheel and look.
Once it is clean you could run the engine and look for the leak. Put cardboard or newspaper down so you can see where the oil drips. Look up!
Christopher answered 6 years ago
Cool will do. I'll post under here what I find.
Christopher answered 6 years ago
Ok Update. Found where the leak was coming from. It was from my oil pressure sensor. One of my family members came by with so oil and we decided to look at it together. (2 head are better then 1) I put 2 1/2 quarts in and started the car. My family member looked under the car and saw the leak but they couldnt get down far enough to see where. So we switched. As they turned on the car. Oil sprayed out of the sensor like a fountain. So took it off and hit the AutoZone and pick up a new one. Comparing the 2 the old one had two holes in it while the new had the same holes but plugged up. Installed it about 3 o'clock and so far so good. Oil pressure good and it's holding oil. Thanks everyone for your help.