Possible oil leak sources on the front could be front crank seal, timing cover gasket or front of oil pan gasket. Not sure what GM uses for a gasket. Could be gasket in a tube or metal/beaded rubber gasket assemblies. Crank seal would be easiest to replace .
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.