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 under oil cap | 2016+ Honda Civic Forum (10th Gen) - Type R Forum, Si Forum - CivicX.com
Black sludge under oil filler cap,advice needed! | VW Golf R32 Forum
1998 ES300 first oil change! (Found sludge under oil fill cap?) - ClubLexus - Lexus Forum Discussion
Yellow sludge inside oil fill cap normal? | Tacoma World
What Is the White Stuff Under Your Oil Cap? | The Drive
Sludge on oil cap | Cummins Diesel Forum
White sludge under oil cap | 2016+ Honda Civic Forum (10th Gen) - Type R Forum, Si Forum - CivicX.com
Engine Sludge Causing Smoking on Starting - Can it Be Fixed? - Maintenance/Repairs - Car Talk Community
Oil Fill Pics - Crud Buildup - ClubLexus - Lexus Forum Discussion
Brown Sludge on oil filler cap and dipstick
Black sludge in oil cap?! Does anyone know if this is normal?? : r/G35
Brown Sludge on oil filler cap and dipstick
Freaking out right now - A good amount of sludge under cap - BMW 3-Series (E90 E92) Forum
Oil Cap residue - MBWorld.org Forums
Yellow sludge on oil cap and fill tube - Ford Truck Enthusiasts Forums
Noticed a rusty orange color inside oil cap and down filler tube. | Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum
Gunk under my oil cap | GMC Terrain, Equinox, and SRX Forum
Audizine Forums
If I look under the engine oil cap and see a sludgy mess instead of regular oil, do I need an oil change? - Quora
Milky, Frothy Engine Oil: Should I Worry? :: YummyMummyClub.ca
slight water condensation / slight amount of spooge inside oil filler cap? | Cadillac Owners Forum
Tested engines】 Used engine checkpoints ～ engine sludge ～ – Used Engines/Used Auto Parts from Japan!
