2026-10-08 · 5 min read
Mitsubishi Galant Fortis Rocker Cover Gasket Malaysia
Rocker cover gasket seeps are among the most common oil leak complaints on high-mileage Galant Fortis units. The rubber gasket hardens and shrinks with age and heat, leading to oil seeping at the top of the engine. A telltale sign is an oily film or dried oil residue around the valve cover. If left unattended, oil can drip onto hot exhaust components. The 4B11 rocker cover gasket is an accessible repair — parts are reasonably priced and the job does not require major disassembly.
Galant Fortis Valve Cover Gasket
- High-mileage Galant Fortis: valve cover (rocker) gasket seepage is common — inspect at every major service
- MIVEC cam cover has additional VVT solenoid ports — ensure all port seals are intact when replacing gasket
- Replace the gasket as a set including cam seal and VVT solenoid O-rings for comprehensive leak prevention