Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2012LANCER EVOLUTION GSRREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE MECHANICAL - LANCER EVOLUTION
2012 Mitsubishi Lancer Evolution GSR
Engine Mechanical - Lancer Evolution
2012 Mitsubishi Lancer Evolution GSRSECTION Engine Mechanical - Lancer Evolution
- General Information
- Engine Diagnosis
- Service Specifications
- Sealants And Adhesive
- Special Tools
- On-Vehicle Service
- Crankshaft Pulley
- Camshaft
- Removal And Installation
- Notes
- Removal Service Points
- <<A>> Rocker Cover Assembly Removal
- <<B>> Cylinder No. 1 Compression Top Dead Center Setting
- <<C>> Camshaft And Camshaft Sprocket Assembly (Exhaust Side) Removal Preparatory Operation
- <<D>> Front Camshaft Bearing Cap Assembly Removal
- <<E>> Oil Feeding Camshaft Bearing Cap/Camshaft Bearing Cap/Thrust Camshaft Bearing Cap Removal
- <<F>> Camshaft And Camshaft Sprocket Assembly (Exhaust Side) Removal
- <<G>> Camshaft Sprocket/Camshaft Removal
- <<H>> Power Steering Oil Pump Assembly Removal
- <<I>> Oil Feeder Control Valve Removal
- Installation Service Points
- >>A<< O-Ring/Oil Feeder Control Valve Installation
- >>B<< Camshaft/Camshaft Sprocket Installation
- >>C<< Camshaft And Camshaft Sprocket Assembly (Intake Side) Installation
- >>D<< Thrust Camshaft Bearing Cap/Camshaft Bearing Cap/Oil Feeding Camshaft Bearing Cap/Camshaft Bearing Installation
- >>E<< Camshaft Bearing/Camshaft And Camshaft Sprocket Assembly (Exhaust Side) Installation
- >>F<< Front Camshaft Bearing Cap Assembly Installation
- >>G<< Rocker Cover Assembly Installation
- Removal And Installation
- Valve Stem Seal
- Removal And Installation
- Notes
- Removal Service Points
- Installation Service Points
- >>A<< Valve Stem Seal Installation
- >>B<< Valve Spring Installation
- >>C<< Valve Spring Retainer Lock Installation
- >>D<< Valve Tappet Installation
- >>E<< Thrust Camshaft Bearing Cap/Camshaft Bearing Cap/Oil Feeding Camshaft Bearing Cap Installation
- >>F<< Camshaft Bearing/Camshaft And Camshaft Sprocket Assembly (Exhaust Side) Installation
- >>G<< Front Camshaft Bearing Cap Assembly Installation
- Removal And Installation
- Oil Pan
- Crankshaft Oil Seal
- Cylinder Head Gasket
- Removal And Installation
- Notes
- Removal Service Points
- <<A>> Radiator Upper Hose/Radiator Lower Hose Disconnection
- <<B>> Fuel High-Pressure Hose Disconnection
- <<C>> Front Camshaft Bearing Cap Assembly Removal
- <<D>> Oil Feeding Camshaft Bearing Cap/Camshaft Bearing Cap/Thrust Camshaft Bearing Cap Removal
- <<E>> Cylinder Head Bolt/Cylinder Head Bolt Washer/Cylinder Head Bolt And Washer Assembly Removal
- Installation Service Points
- >>A<< Cylinder Head Gasket/Cylinder Head Assembly Installation
- >>B<< Cylinder Head Bolt And Washer Assembly/Cylinder Head Bolt Washer/Cylinder Head Bolt Installation
- >>C<< Camshaft Bearing/Camshaft And Camshaft Sprocket Assembly Installation
- >>D<< Thrust Camshaft Bearing Cap/Camshaft Bearing Cap/Oil Feeding Camshaft Bearing Cap Installation
- >>E<< Front Camshaft Bearing Cap Assembly Installation
- >>F<< O-Ring Installation
- >>G<< Fuel High-Pressure Hose Connection
- >>H<< Radiator Lower Hose/Radiator Upper Hose Connection
- Removal And Installation
- Timing Chain
- Engine Assembly
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.