🏷️ Basic Information

Make:

GMC

Model:

Yukon

Year:

1995

Platform:

GMT400

👋 Introduction

Market Position:

The 1995 GMC Yukon was positioned as a full-size, upscale SUV, targeting families and individuals seeking ruggedness, towing capability, and passenger comfort. It competed with vehicles like the Chevrolet Tahoe (its platform sibling), Ford Explorer (though the Yukon was larger), Jeep Grand Cherokee, and domestic luxury SUVs.

Competitive Analysis:

In its segment, the 1995 Yukon offered a robust V8 engine option (the 5.7L LT1), a comfortable ride thanks to its independent front suspension, and substantial towing capacity, distinguishing it from smaller, car-based SUVs. Its GMT400 platform provided a truck-like feel and durability.

Key Features:

Available 5.7L LT1 V8 engine, 4WD capability, spacious interior, comfortable ride, towing capacity, optional third-row seating (though less common in 1995 models compared to later generations), premium interior appointments for its era.

📋 Manual Details

Coverage Areas:

Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical Systems, HVAC, Body & Interior, Maintenance, Troubleshooting, Diagnostics, Wiring Diagrams.

Page Count:

Not specified (digital access)

Manual Type:

Service and Repair Manual Software (Digital)

Language:

English

Format:

Online/Web-based Access (PC, Laptop, Smartphone, Tablet Compatible)

📖 Manual Coverage

Systems Covered:

2.5L 4-Cylinder Engine (L43), 4.3L V6 Engine (L35), 5.7L V8 Engine (LT1), 6.5L V8 Turbo Diesel Engine (LL8), 4L60-E 4-Speed Automatic Transmission, NP241C Transfer Case, Front Independent Suspension (IFS), Rear Solid Axle, Hydraulic Disc Brakes (Front), Rear Drum Brakes, Power Steering, Cooling System, Fuel System, Ignition System, Exhaust System, Charging System, Starting System, Lighting, Instrumentation, Power Accessories, Climate Control (HVAC), Body Control Modules, Anti-lock Braking System (ABS), Airbags, Chassis Electrical, Body Electrical, Interior Systems, Exterior Bodywork.

Procedures Included:

Routine Maintenance, Scheduled Service Intervals, Engine Diagnosis and Repair, Fuel System Servicing, Ignition System Tuning, Emission Control Systems, Cooling System Overhaul, Lubrication, Transmission Removal and Installation, Drivetrain Component Servicing, Brake System Inspection and Repair, Suspension and Steering Alignment, Wheel Bearing Service, Tire Rotation, Electrical System Troubleshooting, Wiring Harness Repair, HVAC System Servicing, Interior Trim Removal and Installation, Exterior Panel Repair, Diagnostic Trouble Code (DTC) Interpretation and Resolution, Component Replacement, Technical Service Bulletins (TSBs) Integration (implied by OE data).

Technical Depth:

Comprehensive; covers from basic fluid changes and inspections to detailed component disassembly, repair, and reassembly, including torque specifications, diagnostic procedures, and wiring diagrams.

Wiring Diagrams:

Includes detailed wiring schematics for all major electrical systems, vital for troubleshooting electrical faults.

Troubleshooting:

Provides step-by-step diagnostic procedures for identifying and resolving common and complex problems across all vehicle systems.

Diagnostic Tools:

Information relevant to using on-board diagnostics (OBD-I for early models, transitioning to OBD-II), scan tools, and specialized GM diagnostic equipment of the era.

Body And Interior:

Covers removal and installation of interior trim panels, seats, dashboard components, exterior body panels, doors, windows, and bumpers.

Cooling System:

Detailed information on radiator, water pump, thermostat, cooling fans, and heater core service.

Fuel System:

Covers fuel pump, fuel filter, fuel injectors, pressure regulator, and evaporative emission control system.

Ignition System:

Details on distributor, ignition coils, spark plug wires, and ignition control modules (if applicable).

Brake System:

Front disc brake caliper and rotor service, rear drum brake shoe and wheel cylinder service, master cylinder, brake lines, and ABS component troubleshooting.

Suspension And Steering:

Front upper and lower control arms, ball joints, tie rod ends, steering gear, power steering pump, and rear axle components.

Drivetrain:

Front and rear driveshafts, universal joints, CV joints (if applicable), wheel bearings, and differential service.

HVAC System:

Covers HVAC blower motor, evaporator core, heater core, refrigerant system, and control panel diagnostics.

Torque Specifications:

Provides precise torque values for critical fasteners throughout the vehicle, essential for proper assembly and safety.

Diagnostic Trouble Codes:

Lists and explains Diagnostic Trouble Codes (DTCs) to aid in identifying system malfunctions.

Specifications Tables:

Includes extensive tables of technical specifications, fluid capacities, and component data.

Oem Data Source:

Derived from official GM (General Motors) OE (Original Equipment) materials, ensuring accuracy and completeness.

Accessibility:

Designed for ease of use by DIY mechanics, with clear instructions and logical organization.

Service Bulletins:

Likely includes or references Technical Service Bulletins (TSBs) issued by GM to address known issues and product improvements.

Maintenance Schedule:

Provides a detailed schedule of recommended maintenance tasks based on mileage and time intervals.

Component Identification:

Helps in identifying and locating various components and their associated parts.

Rebuild Procedures:

Detailed procedures for rebuilding major components such as engines and transmissions.

📊 Manual Specifications

File Format:

Web-based application; not a downloadable PDF, but accessible via browser.

Print Quality:

N/A (digital access)

Binding Type:

N/A (digital access)

Paper Type:

N/A (digital access)

⚙️ Engine Specifications

Primary Engine:

5.7L V8 (LT1)

Engine Options:

4.3L V6 (L35), 5.7L V8 (LT1), 6.5L V8 Turbo Diesel (LL8). The 2.5L 4-cylinder (L43) was available on base S10 trucks and Blazers, but highly unlikely for the Yukon. The 4.3L V6 was the standard engine for many Yukon models.

Horsepower 5.7L V8:

Approximately 250 hp @ 4600 rpm

Torque 5.7L V8:

Approximately 330 lb-ft @ 2400 rpm

Fuel System 5.7L V8:

Sequential Electronic Fuel Injection (SEFI)

Fuel Type:

Unleaded Gasoline (for V8 and V6); Diesel Fuel (for 6.5L Turbo Diesel)

Engine Displacement 4.3L V6:

4.3 Liters (262 cu in)

Horsepower 4.3L V6:

Approximately 160-190 hp @ 4000-4400 rpm (depending on exact tune)

Torque 4.3L V6:

Approximately 230-250 lb-ft @ 2400-2800 rpm (depending on exact tune)

Fuel System 4.3L V6:

Sequential Electronic Fuel Injection (SEFI)

Engine Displacement 6.5L Turbo Diesel:

6.5 Liters (395 cu in)

Horsepower 6.5L Turbo Diesel:

Approximately 190 hp @ 3400 rpm

Torque 6.5L Turbo Diesel:

Approximately 380 lb-ft @ 1800 rpm

Fuel System 6.5L Turbo Diesel:

Direct Injection with Stanadyne DB2 Rotary Injection Pump.

🔧 Transmission

Standard Transmission:

4L60-E 4-Speed Automatic

Optional Transmission:

No manual transmission was offered on the 1995 GMC Yukon.

Features:

Electronic control, Overdrive gear, Torque converter lock-up.

Transfer Case:

New Process NP241C (Part-Time 4WD with Manual Hubs or Full-Time 4WD options depending on configuration).

📐 Dimensions

Exterior Length:

Approximately 193.4 inches (4913 mm)

Exterior Width:

Approximately 77.5 inches (1968 mm)

Exterior Height:

Approximately 71.6 inches (1819 mm)

Wheelbase:

Approximately 117.0 inches (2972 mm)

Curb Weight:

Approximately 4,500 - 5,000 lbs (2041 - 2268 kg) depending on configuration and engine.

Cargo Volume:

Approx. 46.5 cu ft behind the second row; 90.0 cu ft with the second row folded.

🛡️ Safety Features

Ratings:

NHTSA frontal impact ratings for 1995 models generally showed good performance for their era, but specific ratings vary by test and year. Side impact protection was less advanced than modern standards.

Active Features:

Optional Anti-lock Braking System (ABS) for front wheels; optional Traction Control System (TCS) on some 4WD models.

Passive Features:

Driver and front passenger airbags, three-point seatbelts for all occupants, reinforced safety cage construction.

💡 Technology Features

Infotainment:

Standard AM/FM stereo with cassette player. Optional CD player. Basic climate controls (manual or optional automatic climate control). Analog gauges and dashboard indicators.

Driver Assistance:

Limited by modern standards. Offered Anti-lock Braking System (ABS) and optional Traction Control. No adaptive cruise control, lane keeping assist, or blind-spot monitoring.

Connectivity:

No integrated Bluetooth, USB ports, or smartphone connectivity. Older models may have had optional cellular phone integration.

🔧 Maintenance

Service Intervals Oil Change:

Typically every 3,000-5,000 miles (4,800-8,000 km) or 3-6 months, depending on driving conditions and oil type used. Consult manual for specific recommendations.

Service Intervals Transmission Fluid:

Recommended at 30,000-60,000 miles (48,000-96,000 km) for the 4L60-E transmission fluid and filter change.

Fluid Specifications Engine Oil:

SAE 5W-30 for V8 engines; SAE 10W-30 or 5W-30 for V6 engines, API service category SG or higher. Consult specific engine for exact viscosity and certification.

Fluid Specifications Transmission:

Dexron III (or Dexron III-H compatible) Automatic Transmission Fluid (ATF).

Fluid Specifications Coolant:

Ethylene Glycol-based coolant, typically a 50/50 mix with distilled water. Check for specific GM color recommendations (often green for this era).

Fluid Specifications Brake Fluid:

DOT 3 Hydraulic Brake Fluid.

Known Issues:

Common issues for this era include: intake manifold gasket leaks, oil pressure sending unit failures, ABS sensor failures, potential for transmission fluid leaks (especially rear seal), rust issues in certain climates, and interior trim wear. The 6.5L Diesel can have issues with injector pump seals and cylinder head gaskets.

Spark Plugs:

For 5.7L LT1 V8: AC Delco 41-990 (Platinum) or equivalent. For 4.3L V6: AC Delco 41-604 (Platinum) or equivalent. Always verify with manual based on VIN.

Filters:

Oil Filter: AC Delco PF1218 or equivalent. Air Filter: AC Delco A2171C or equivalent. Fuel Filter: AC Delco GF654 or equivalent.

📚 Vehicle History

Brand Heritage:

GMC (General Motors Truck Company) has a long history of producing trucks and commercial vehicles, known for durability and capability. This heritage extended to their sport utility vehicles.

Model Evolution:

The 1995 Yukon was part of the first generation of the GMC Yukon, which debuted in 1992 as a successor to the GMC Suburban (which continued as a longer wheelbase vehicle). It shared its GMT400 platform with the Chevrolet Tahoe and Silverado/Sierra pickup trucks.

Production Location:

United States (e.g., Arlington, Texas; Janesville, Wisconsin).

🏆 Awards & Recognition

Recognitions:

While specific awards for the 1995 model are not widely publicized, the GMT400 platform was well-regarded for its robust construction and towing capabilities, contributing to GMC's reputation in the truck and SUV market.