I just replaced the PCV Valve/Valve cover I will re check to mack sure no leakse but I used the proper torque spec and sequence.Also check under the plastic cover. There are some cases that oil leaks from the PCV valve that is located on the cover.
A good point but I cant seems to find what that part number is. I will look harder or try calling a GM parts department.Photos 1 and 2 indicate a coolant leak at the plastic connector above the thermostat.
You may be looking at residual coolant mixed with all the accumulated dirt.
Address that first before looking too hard.......and then clean/degrease the whole thing so you can determine if there is a secondary leak source......currently I don't think it is oil.
You'll have to call the dealer...the part has been updated with a new #......comes with the hose.I just replaced the PCV Valve/Valve cover I will re check to mack sure no leakse but I used the proper torque spec and sequence.
A good point but I cant seems to find what that part number is. I will look harder or try calling a GM parts department.
Gus?I thought the throttle body leaks were related to the PCV system and failure of the check valve in the intake. The check valve in not serviced by GM parts except as an intake assembly that comes with a throttle body, intake manifold, and injectors. It's fairly inexpensive for what you get. I believe it's about $300.
Then it is possible that the gasket of the Valve cover didn't sit right. I had the same issue. Oil leak after replacing the valve cover on the back of the engine, above the induction manifold.I just replaced the PCV Valve/Valve cover I will re check to mack sure no leakse but I used the proper torque spec and sequence.
That's not oil it's coolant that splashed in there it was clean when I pulled the cold air pipe.I see that there is oil inside your throttle body indicating a stuck or gone PCV valve in your intake manifold. Also you might wanna check your innercooler where the charge pipe connects to it. Oil will backflow into your charge pipe and down to your intercooler.
Did you wipe up your TB before taking those pics? I had oil leaking at the charge pipe and TB connection. With clamp as tight as it could be it would still leak out onto my transmission. I bet youve had that leak for a long time.