Engine Mechanical:
Engine assembly, cylinder heads, crankshaft, connecting rods, pistons, timing systems, oil pump, lubrication system.
Engine Management:
Fuel injection system, ignition system, emissions control, engine sensors, ECU diagnostics and programming.
Transmission Manual:
Clutch, gearbox internal components, shifter mechanisms, transmission fluid.
Transmission Automatic:
Torque converter, valve body, planetary gear sets, transmission control module (TCM), transmission fluid and cooling.
Drivetrain:
Front-wheel drive components, driveshafts, CV joints, differentials, rear-wheel drive components (if applicable to specific Calais variants).
Suspension:
Front and rear suspension systems, shock absorbers, struts, springs, control arms, bushings, steering knuckle, sway bars.
Steering:
Power steering system (hydraulic or electric), steering column, steering rack, tie rods, power steering fluid.
Brakes:
Brake system components (discs, pads, calipers, master cylinder, brake lines), ABS system, parking brake, brake fluid.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting (headlights, taillights, interior), wiring diagrams, fuses, relays.
Body And Chassis:
Body panels, doors, hood, trunk, glass, interior trim, chassis components, corrosion protection.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, refrigerant, blower motor, climate control module.
Infotainment And Electronics:
Audio system, navigation, climate control interfaces, instrument cluster, body control module (BCM).
Scheduled Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections and replacement.
Troubleshooting:
Diagnostic procedures for common faults, symptom-based troubleshooting guides, error code interpretations.
Repair And Rebuild:
Detailed step-by-step instructions for component removal, installation, and overhaul (e.g., engine rebuild, transmission overhaul).
Component Replacement:
Replacement of individual parts such as alternators, starters, fuel pumps, radiators, brake components, suspension parts.
Diagnostics:
On-board diagnostics (OBD-II) system operation, reading trouble codes, using diagnostic scan tools.
Wiring Diagrams:
Comprehensive electrical wiring schematics for all vehicle systems.
Engine Diagnostics:
Includes detailed procedures for diagnosing engine performance issues, fuel system faults, emission control problems, and electrical system malfunctions.
Transmission Diagnostics:
Covers troubleshooting of automatic transmission shifting problems, electronic control issues, and general performance diagnostics.
Brake Diagnostics:
Detailed guides for ABS system faults, brake hydraulic system diagnosis, and parking brake adjustments.
Electrical Troubleshooting:
Extensive use of wiring diagrams and diagnostic trees for diagnosing electrical faults across all vehicle systems.
Depth:
Comprehensive; covers basic maintenance to complex engine and transmission overhauls, including detailed diagnostic procedures and component specifications.
Oil And Filter:
Typically every 15,000 km or 12 months, whichever comes first (consult specific owner's manual for exact intervals).
Transmission Fluid:
Check at 15,000 km intervals. Replacement interval varies, often around 60,000 - 120,000 km depending on driving conditions and fluid type (e.g., Dexron VI for automatics).
Coolant:
Initial change at 5 years or 160,000 km, then every 3 years or 80,000 km thereafter for extended life coolant.
Engine Oil:
SAE 5W-30 or 10W-30, meeting GM dexos1 specification (check manual for exact API/ILSAC rating and viscosity for specific engine).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Refer to owner's manual; often a specific GM fluid or Dexron type for hydraulic systems.
Common Wear Items:
Suspension components (bushings, ball joints), catalytic converters, ignition coils, water pumps (especially on early models).
Engine Specific:
Some early 3.6L V6 SIDI engines experienced timing chain tensioner issues; check for service bulletins. 6.0L V8 can experience AFM/DOD lifter issues if not maintained properly.
