Target Audience:
DIY Mechanics, Independent Repair Shops, Fleet Maintenance
Advantage:
Licensed OE Information, Digital Convenience, Cost-Effective
Feature 1:
Instant Access to Licensed Factory Data
Feature 2:
Cross-Platform Compatibility (PC, Laptop, Smartphone, Tablet)
Feature 3:
Extensive Coverage of All Major Vehicle Systems
Engine:
Complete Engine Service, Diagnosis, and Overhaul
Drivetrain:
Transmission (Automatic), Transfer Case, Axles, Driveshafts
Suspension:
Front and Rear Suspension, Steering Components
Brakes:
Hydraulic Brake System, ABS (if equipped), Parking Brake
Electrical:
Wiring Diagrams, Lighting, Ignition, Charging System, Starting System, Accessories
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) System
Body:
Body and Chassis Repair, Exterior Trim, Interior Components
Fuel:
Fuel System, Fuel Injection (TBI/MPI)
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements
Troubleshooting:
Diagnostic Procedures, Symptom-Based Troubleshooting Guides
Repair:
Step-by-Step Repair Instructions for All Major Systems
Diagnostics:
On-Board Diagnostics (OBD-I), Sensor Testing, Component Testing
Depth:
Factory-Level Diagnostic and Repair Procedures
Detail Level:
Torque Specifications, Component Removal/Installation, Reassembly
Length:
Approximately 220 inches (5588 mm)
Width:
Approximately 79.4 inches (2017 mm)
Height:
Approximately 77.1 inches (1958 mm)
Wheelbase:
130 inches (3302 mm)
Curb Weight Estimate:
4,800 - 5,500 lbs (2177 - 2495 kg) depending on configuration
NHTSA Rating Notes:
NHTSA crash test data from this era is limited and often not directly comparable to modern standards. The manual would contain diagnostic and repair procedures for safety systems.
ABS:
Optional Anti-lock Braking System (ABS) on rear wheels or all wheels.
Airbags:
Driver-side airbag standard for 1993 model year.
Seatbelts:
Three-point front seat belts with shoulder belts.
Oil Change Interval:
Every 3,000 miles or 3 months (typical recommendation without synthetic oil)
Engine Oil Type:
API SG/SH Service Classification, SAE 5W-30 or 10W-30 (check owner's manual for specific temperature ranges)
Engine Oil Capacity 5.7L:
5 Quarts (4.7 Liters) with filter
Engine Oil Capacity 7.4L:
7 Quarts (6.6 Liters) with filter
Fluid Specifications Coolant
Coolant Type:
Conventional Green Ethylene Glycol (50/50 mix with distilled water)
Fluid Specifications Transmission
Automatic Transmission Fluid:
Dexron-III (or equivalent)
Issue 1:
Fuel pump failure (common on TBI models).
Issue 2:
Cracked exhaust manifolds (especially the 454 and 5.7L).
Issue 3:
Water pump leaks and bearing failure.
Issue 4:
Variable Steering Assist (VSA) pump or sensor issues.
Issue 5:
Corrosion on brake lines and chassis components.
Filter Part Numbers Example
Oil Filter 5.7L:
AC Delco PF1218 (example, verify with specific VIN)
Air Filter 5.7L:
AC Delco A1033C (example, verify with specific VIN)
Brand Focus:
GMC is General Motors' division focused on trucks and commercial vehicles.
Generation Start:
The C/K GMT400 platform was introduced in 1988 for trucks and 1992 for the redesigned Suburban.
Suburban Positioning:
The Suburban is a full-size, extended-length SUV, renowned for its passenger and cargo capacity.
Manufacturing Location:
Janesville, Wisconsin, USA
