Engine:
Full engine service, repair, diagnostics, and overhaul (including specific engine variants offered across model years).
Transmission:
Complete coverage of transmission service, repair, diagnostics, and fluid specifications (automatic transmission details).
Drivetrain:
Front-wheel drive system service, including transaxle, CV joints, and related components.
Suspension:
Front and rear suspension systems, including shock absorbers, struts, control arms, bushings, and alignment procedures.
Steering:
Power steering system service, including pump, rack and pinion, hoses, and steering linkage.
Brakes:
Hydraulic brake system service, including disc brakes (front and rear), ABS system, brake fluid, master cylinder, calipers, and rotors.
Electrical:
Comprehensive electrical system coverage, including battery, charging system, ignition system, starting system, lighting, instruments, and accessories.
Climate Control:
Air conditioning (AC) and heating system service, diagnosis, and refrigerant handling.
Body And Chassis:
Body panel repair, frame diagnosis, door mechanisms, convertible top system, glass replacement, and trim components.
Fuel System:
Fuel delivery system, including fuel pump, fuel filter, fuel injectors, fuel lines, and emissions control systems.
Exhaust System:
Exhaust system components, including manifold, catalytic converter, mufflers, and piping.
Cooling System:
Radiator, coolant, water pump, thermostat, hoses, and fan service.
Interior:
Seat removal, interior trim panel service, dashboard components, and accessory installation.
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, and lubrication.
Troubleshooting:
Diagnostic procedures, fault code interpretation, and systematic troubleshooting guides for all major systems.
Repair:
Step-by-step repair instructions for virtually all components and systems.
Rebuilds:
Detailed procedures for engine and transmission rebuilds.
Diagnostics:
Component testing, electrical circuit diagnosis, and system performance checks.
Technical Data Charts:
Torque specifications, fluid capacities, wiring diagrams, vacuum diagrams, and component identification.
Specifications:
Detailed specifications for all mechanical and electrical components.
Adjustments:
Adjustments for engine timing, idle speed, brakes, and other vehicle systems.
Installation:
Procedures for installing and removing various components and accessories.
Depth:
Comprehensive from basic maintenance to complete engine/transmission overhauls and advanced electrical diagnostics.
Oil Change:
Refer to manual; typically every 3,000-5,000 miles or 6 months, depending on driving conditions.
Transmission Fluid Change:
Refer to manual; typically every 30,000-60,000 miles.
Engine Oil:
Refer to manual; likely 5W-30 or 10W-30 API SG, SH, or SJ rated (e.g., for HT-4100).
Coolant:
Ethylene glycol-based coolant (Dex-Cool compatible might be acceptable for later models, but verify).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Ht 4100 Engine:
Early HT-4100 engines were known for being somewhat underpowered and prone to head gasket issues and internal sealing problems if not maintained rigorously. Also, intake manifold gasket leaks.
Convertible Top:
Hydraulic and electrical systems for the convertible top can require service and repair over time.
Electronics:
As with many cars of this era, electronic components and sensors can be a source of issues.
Oil Filter 4.1L:
GM Part Numbers or equivalent filter brands (e.g., AC Delco PF25, Wix 51049, Fram PH8A - **verify exact fitment**).
Air Filter:
GM Part Numbers or equivalent filter brands (e.g., AC Delco A214C for 4.1L, A323C for 4.6L - **verify exact fitment**).
