Engine Mechanical:
Engine assembly, disassembly, overhaul, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, valve train.
Engine Management:
Fuel injection systems (MPI/GDI), ignition systems, emission control systems (catalytic converter, EGR, O2 sensors), ECU diagnosis and troubleshooting.
Transmission:
Manual transmission (clutch, gearbox, drivetrain), Automatic transmission (torque converter, planetary gears, valve body, fluid hydraulics).
Brakes:
Front and rear brake systems (discs/drums), ABS (if equipped), parking brake, hydraulic system, bleeding procedures.
Suspension Steering:
Front and rear suspension components (struts, shocks, control arms, bushings), power steering system, steering rack, alignment specifications.
Electrical Systems:
12V battery system, charging system (alternator), starting system (starter motor), lighting systems, interior and exterior electronics, wiring diagrams, fuse/relay locations.
HVAC:
Heating, Ventilation, and Air Conditioning (AC) system components, refrigerant, diagnosis, and repair.
Body Chassis:
Body panels, doors, hood, trunk, interior trim, chassis components, exhaust system, fuel tank, cooling system.
Fuel System:
Fuel pump, fuel filter, fuel lines, injectors, fuel tank, evaporative emission control (EVAP).
Cooling System:
Radiator, fan, water pump, thermostat, hoses, heater core, coolant passages, pressure testing.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, pipes, hangers, emissions control components (EGR).
Maintenance:
Scheduled maintenance items, fluid changes (oil, coolant, brake fluid), filter replacements, spark plug service, timing belt replacement (critical for interference engines).
Troubleshooting:
Diagnostic procedures for common problems, symptom-based troubleshooting guides, error code interpretation (where applicable).
Repair:
Step-by-step instructions for component removal, installation, and repair for all major vehicle systems.
Specifications:
Torque specifications, clearances, timing settings, fluid capacities, electrical resistance values, diagnostic parameters.
Engine Diagnostics:
Compression testing, cylinder leak-down testing, ignition timing checks, fuel pressure tests, sensor readings and testing.
Transmission Repair:
Clutch adjustment/replacement, synchronizer replacement, bearing replacement, seal replacement for manual transmissions. Hydraulic system diagnosis, clutch pack replacement, valve body repair for automatics.
Brake Repair:
Brake pad/shoe replacement, rotor/drum resurfacing/replacement, caliper/wheel cylinder overhaul, master cylinder replacement, brake line repair/replacement, ABS component diagnosis.
Suspension Steering Repair:
Ball joint replacement, tie rod end replacement, shock absorber/strut replacement, bushing replacement, power steering pump and rack repair/replacement.
Electrical Diagnostics:
Wiring harness testing, component testing (starters, alternators, sensors), troubleshooting using wiring diagrams, fuse and relay diagnostics.
Emissions Systems:
Diagnosis and repair of EGR systems, PCV systems, EVAP systems, and catalytic converter function.
Body Repair:
Procedures for removing and installing body panels, doors, fenders, bumpers, and interior trim pieces.
Diagnostics Codes:
Troubleshooting guides based on diagnostic trouble codes (DTCs) if the vehicle is OBD-I or early OBD-II compliant.
Depth:
Comprehensive: Covers everything from basic preventative maintenance to complete engine and transmission overhauls, including detailed electrical diagnostics and body repair.
Electrical Schematics:
Detailed wiring diagrams for all electrical systems, including component locations and wire colors.
Special Tools:
Identification and usage guidelines for specialized tools required for specific repair procedures (e.g., timing belt tensioner tools, injector pullers).
Body And Paint:
Basic body repair guidance, panel alignment, trim removal, possibly paint code information.
Engine Rebuild:
Detailed instructions for engine disassembly, cleaning, inspection, measurement, and reassembly, including bearing clearances, piston ring gaps, and valve guide specifications.
Electrical Component Testing:
Methodology for testing various electrical components such as sensors (crankshaft position, camshaft position, throttle position), actuators, relays, and switches.
Oil Change Interval:
Typically 5,000 miles (8,000 km) or 6 months, whichever comes first. Refer to specific manual for exact recommendation based on oil type used.
Timing Belt Interval:
Crucial: 60,000 miles (96,000 km) or 4 years for most 4G9x and 4G1x engines. Failure to replace can lead to catastrophic engine damage (interference engine).
Engine Oil Specification:
API SG/SH or higher. Viscosity typically SAE 10W-30 or 5W-30, depending on climate. Refer to owner's manual or specific manual section.
Coolant Specification:
Mitsubishi DiaQueen Super Long Life Coolant (SLLC) or equivalent ethylene glycol-based antifreeze. Typically a 50/50 mix with distilled water.
Transmission Fluid Manual:
Manual Transmission: SAE 75W-90 GL-4 gear oil. Capacity varies by transmission type (e.g., approx. 2.0-2.5 liters).
Transmission Fluid Automatic:
Automatic Transmission: Mitsubishi DiaQueen SP-III ATF or equivalent. Capacity approx. 3.0-4.0 liters for drain and fill.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
ATF Dexron II/III or specific power steering fluid as per manual recommendation.
Differential Fluid Manual AWD:
Front differential: SAE 75W-90 GL-5. Rear differential (if AWD): SAE 75W-90 GL-5.
Common Problems:
Timing belt failure (if not replaced on schedule), idle air control valve issues (leading to rough idle), CV joint wear, minor oil leaks from valve cover or oil pan gaskets, oxygen sensor failure affecting emissions and fuel economy.