Timing chain cover bolt failure and oil leaks
ENGINE
5 NHTSA complaints · 2020-12 → 2026-07
“My 2017 Porsche Macan has a Timing Chain Cover Bolt Failure which has caused leaking oil and may lead to total loss of oil and engine failure. This is a known documented design and manufacturing defect affecting the 3.0L and 3.6L engines”
“Porsche is making use of aluminum fasteners for important engine components. These fasteners are substandard for the service”
“On April 26 2021 performed routine oil change and noticed oil leaking from valve cover gasket onto side of engine”