Positioning:
The definitive resource for Hummer H1 owners and technicians seeking comprehensive, accurate, and vehicle-specific repair information for the early 1992 models.
Advantage:
Directly sourced from factory service documentation, providing unparalleled detail and accuracy compared to generic aftermarket manuals.
Feature List:
Vehicle-specific, A-Z repair coverage, step-by-step instructions, diagrams, illustrations, wiring schematics, detailed specifications, digital format for ease of use and portability.
Benefit:
Empowers owners to perform maintenance and repairs confidently, saving time and money by reducing reliance on external mechanics for all but the most complex tasks.
Primary Coverage:
All Hummer H1 models for the 1992 model year
Secondary Coverage:
Vehicle-specific repair, maintenance, diagnosis, and troubleshooting
Estimated Page Count:
Extensive (Exact number not specified, but implied to be comprehensive for A-Z repairs)
Type:
Factory Service and Repair Manual
Digital Delivery:
Downloadable
Powertrain:
Engine mechanical, fuel system, lubrication, cooling, ignition, starting, charging, exhaust, emissions control, automatic transmission, manual transmission, transfer case, propeller shaft, drive shafts, differentials, axles
Chassis:
Suspension, steering column, power steering, wheels, tires, brakes (control, parking)
Electrical:
Wiring schematics, instrument panel, lighting, meters, audio/visual systems, horn, multiplex/CAN communication (early implementation), electrical components
Body And Interior:
Air conditioning, supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, wipers and washers, door locks, windshield/glass/mirrors, instrument panel, seats, engine hood/doors, exterior and interior trim, body panels
Maintenance:
Scheduled maintenance, fluid checks and changes, filter replacements, inspections
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (if applicable for the era)
Repair:
Component removal and installation, system overhauls, component repair, adjustments, calibration
Technical Data:
Specifications, tolerances, torque values, fluid capacities, wiring diagrams, diagnostic flowcharts
Depth:
Factory-level detail covering all repairs from basic maintenance to complete component rebuilds. Equivalent to dealership technician manual.
Searchability:
Likely searchable text due to PDF format
Print Capability:
Fully printable, allowing users to print specific pages or sections
Image Enhancement:
Ability to blow up images for enlarged viewing and printing
Digital Binding:
N/A (Digital format)
Digital Paper Type:
N/A (Digital format)
Reader:
Adobe PDF Reader (Free)
Compression:
Winzip (or equivalent unzipping utility)
Operating Systems:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS
Engine Type:
Likely GM 6.2L naturally aspirated V8 Diesel (Naturally Aspirated)
Displacement:
6.2 Liters (379 cu in)
Horsepower:
Approx. 130-150 hp (Varies slightly by specific configuration)
Torque:
Approx. 230-250 lb-ft (Varies slightly by specific configuration)
Injection System:
Bosch Rotary Injection Pump (VE-type)
Coolant Type:
GM Type II Extended Life Coolant (or equivalent Dex-Cool compatible)
Oil Type:
API CD or CE rated diesel engine oil (e.g., 15W-40)
Oil Capacity:
Approx. 9 quarts (with filter)
Type:
GM 4L80-E 4-speed Automatic Transmission
Type:
Not typically specified for civilian H1s in this era; military variants might have variations.
Automatic Features:
Electronic controls, lock-up torque converter
Automatic Transmission Fluid:
Dexron III (or compatible)
Type:
Torque-biasing center differential (2-speed transfer case)
Overall Length:
Approx. 184.5 inches (4686 mm)
Overall Width:
Approx. 86.5 inches (2197 mm)
Overall Height:
Approx. 74.5 inches (1892 mm)
Wheelbase:
Approx. 130 inches (3302 mm)
Curb Weight:
Approx. 6,000 - 7,000 lbs (depending on configuration)
Gross Vehicle Weight Rating:
Approx. 9,500 lbs
Ground Clearance:
Approx. 16 inches (406 mm)
Crash Test Rating:
Not subject to typical passenger car crash testing due to its design and intended use; military specifications are primary.
Braking System:
Front and rear disc brakes, hydraulic system with dual circuits
Seatbelts:
Standard seat belts (3-point front, 2-point rear where applicable)
Supplemental Restraint System:
Not standard on 1992 models; airbags were not a common feature.
Oil Change:
Every 3,000 - 5,000 miles or 6 months, whichever comes first (for diesel).
Fuel Filter:
Replace every 15,000 - 30,000 miles (refer to manual for specific interval and type).
Air Filter:
Inspect every 15,000 miles, replace as needed or every 30,000 miles.
Transmission Fluid Change:
Every 30,000 - 60,000 miles (depending on usage).
Power Steering Fluid:
Dexron III (or compatible)
Brake Fluid:
DOT 3 (or DOT 4 compatible)
Common Concerns:
Steering wander (due to large tires and suspension geometry), potential for water intrusion in electrical components if submerged, early diesel engine noise and emissions, robust but heavy drivetrain components requiring regular inspection.
Manufacturer Origin:
AM General, a subsidiary of American Motors Corporation (AMC) initially, later independent.
Predecessor:
Developed from the High Mobility Multipurpose Wheeled Vehicle (HMMWV) or Humvee.
Civilian Introduction:
Introduced to the civilian market in 1992, largely due to public interest generated by its military role.
Manufacturing Location:
Mishawaka, Indiana, USA
