Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of all engine components, including cylinder head, block, pistons, crankshaft, camshafts, valves, timing belt/chain, etc.
Lubrication System:
Oil pump, oil filter, oil passages, oil pressure testing, oil pan removal/installation.
Cooling System:
Radiator, thermostat, water pump, coolant hoses, cooling fan operation and diagnosis, flushing and refilling procedures.
Fuel And Emission Control:
Fuel injection system (MPI), fuel pump, injectors, fuel pressure testing, throttle body, EGR system, catalytic converter, evaporative emission control (EVAP), oxygen sensors, troubleshooting emission-related codes.
Engine Electrical System:
Ignition system (coil-on-plug or distributor, spark plugs, wires), starter motor, alternator, battery testing and replacement, wiring diagrams, component testing and diagnosis.
Clutch:
Clutch disc, pressure plate, release bearing, clutch hydraulics (master and slave cylinders), adjustment and replacement procedures.
Manual Transaxle:
Gearbox disassembly, inspection, repair, shift mechanism, clutch release system, fluid type and capacity.
Automatic Transaxle:
Transmission overhaul, valve body diagnosis, torque converter, transmission control unit (if applicable), fluid type and capacity, pressure testing.
Front And Rear Axles:
CV joints, axle shafts, wheel bearings, differential service (if applicable).
Steering System:
Power steering pump, rack and pinion, steering column, alignment procedures, tie rod ends.
Braking System:
Front and rear disc/drum brakes, brake calipers, rotors, pads, shoes, master cylinder, brake lines, ABS system diagnosis (if equipped), bleeding procedures.
Wheels And Tires:
Tire pressure recommendations, rotation, balancing, wheel replacement, lug nut torque specifications.
Suspension:
Front struts, rear shock absorbers, control arms, ball joints, bushings, sway bars, alignment specifications.
Body:
Body panel repair, doors, hinges, latches, glass replacement, interior trim removal, bumper systems.
Body Electrical System:
Lighting systems (headlights, taillights, interior lights), power windows, power locks, mirrors, wipers, horn, fuses, relays, wiring diagrams.
Heater And Air Conditioning:
HVAC system components, blower motor, evaporator, condenser, refrigerant service (R134a), climate control system diagnosis.
Maintenance:
Oil changes, filter replacements, fluid checks and changes, tune-ups, brake inspections, tire rotations.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, code interpretation (OBD-I or early OBD-II if applicable), component testing procedures.
Repair:
Step-by-step instructions for virtually all repair tasks, from minor adjustments to major component overhauls.
Technical Specifications:
Torque specifications, alignment angles, fluid capacities, electrical resistance values, diagnostic parameters.
Depth:
Comprehensive, covering everything from basic maintenance to in-depth internal component repair and diagnostic procedures, suitable for professional mechanics and advanced DIY enthusiasts.
Oil Change Interval:
Every 5,000 miles or 6 months (typical recommendation, consult manual for specifics).
Engine Oil Filter Replacement:
Replace with every oil change.
Air Filter Replacement:
Every 15,000-30,000 miles or as needed, depending on driving conditions.
Spark Plug Replacement:
Every 30,000-60,000 miles (depending on spark plug type).
Timing Belt Replacement:
Typically around 60,000-90,000 miles for interference engines (critical to check and replace).
Engine Oil:
API SG or higher, SAE 5W-30 or 10W-30 (check manual for exact viscosity based on temperature).
Coolant:
Ethylene Glycol based, 50/50 mixture with distilled water.
Transmission Fluid Manual:
API GL-4 SAE 75W-90 Gear Oil.
Transmission Fluid Automatic:
Dexron-II or equivalent ATF.
Common Protege Issues:
Rear wheel bearing failure, minor oil leaks (valve cover gasket, oil pan gasket), suspension component wear (bushings, ball joints), occasional electrical glitches (power windows, door locks), exhaust system rust.