Oil cap sludge. | Abarth 500 | The FIAT Forum
Brown sludge in oil cap | BimmerFest BMW Forum
Gray gunk in oil pan and under main cap bolts? - CorvetteForum - Chevrolet Corvette Forum Discussion
Audizine Forums
Brown sludge in oil cap | BimmerFest BMW Forum
what is this on the oil cap? : r/AskMechanics
Found white sludge under engine oil cap | IH8MUD Forum
Gummy Oil Buildup on Oil Cap (pics) - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
White sludge on radiator cap. 2010 pathfinder 4.0L V6. Was doing an oil change and inspection. Im a 1st year mechanic, been in the field for 1 year now. What causes this?
what is this on the oil cap? : r/AskMechanics
Can someone tell me why this is what the inside of my oil fill cap looks like? : r/MechanicAdvice
Sludge on oil cap | Cummins Diesel Forum
Causes of sludge in engine oil
Slurry in my oil cap is this ok? | VW California Owners Club
What I found under my valve cover... | E46 Fanatics Forum
Oil Cap residue - MBWorld.org Forums
Five Ways to Prevent Engine Sludge Buildup in Your Honda | Honda of Seattle Blog
Oil Cap residue - MBWorld.org Forums
Black sludge under oil filler cap,advice needed! | VW Golf R32 Forum
What are the symptoms of an engine sludge? - Quora
Granville | What your Oil is Trying to Tell you About the Health of your Engine
What is this sludge on my oil cap? - 6SpeedOnline - Porsche Forum and Luxury Car Resource
