🏷️ Basic Information

Make:

GMC

Model:

C2500

Year:

1995

Third Generation Code:

GMT400

Platform:

GMT400

👋 Introduction

Target Audience:

DIY Mechanics, Independent Repair Shops, Fleet Maintenance

Advantage Over Print:

Instant Access, Searchability, Convenience, Potentially Lower Cost of Acquisition than Original Print

Feature 1:

Factory-Derived Information

Feature 2:

Comprehensive System Coverage

Feature 3:

User-Friendly Digital Interface

Feature 4:

Detailed Troubleshooting Procedures

Feature 5:

Up-to-date Information for 1995 Model Year Specifics

📋 Manual Details

Primary Coverage:

Complete Service and Repair

Secondary Coverage:

Maintenance, Diagnostics, Troubleshooting, Component Overhaul

Estimated Page Count:

1500+

Type:

Software Service & Repair Manual

Language:

English

Format:

Online Digital Access (Web Browser Based)

Access Duration:

1 Year Subscription

Compatibility:

PC, Laptop, Smartphone, Tablet (Internet & Browser Required)

📖 Manual Coverage

Powertrain:

Engine, Transmission, Drivetrain, Exhaust

Chassis:

Suspension, Steering, Brakes, Wheels, Tires

Electrical:

Wiring Diagrams, Lighting, Ignition, Starting, Charging, Accessories, Powertrain Control Module (PCM)

HVAC:

Heating, Ventilation, Air Conditioning

Body:

Body Panels, Doors, Windows, Seats, Interior Trim

Maintenance:

Scheduled Maintenance, Fluid Changes, Filter Replacements, Inspections

Repair:

Engine Overhaul, Transmission Repair, Brake Component Replacement, Suspension Bushing Replacement, Electrical Component Diagnosis and Repair

Diagnostics:

Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnostics

Special Tools:

Identification and Usage of Specialized Tools

Depth:

Comprehensive Factory-Level Detail

Diagnostic Capability:

Advanced Electronic Diagnostics and Mechanical Troubleshooting

Rebuild Procedures:

Complete Component Rebuild Specifications

📊 Manual Specifications

Digital Format:

Web-Based Application

Print Option:

Printable Pages Available

Binding:

N/A (Digital)

Paper Type:

N/A (Digital)

Search Capability:

Full Text Search

Licensing Source:

Officially Licensed OE (Original Equipment) Materials

⚙️ Engine Specifications

Engine 1 Code:

LP4

Engine 1 Description:

4.3L V6 (Vortec)

Engine 1 Displacement Liters:

4.3

Engine 1 Displacement Ci:

262

Engine 1 Horsepower:

165 @ 4000 RPM (Approx.)

Engine 1 Torque:

235 lb-ft @ 2400 RPM (Approx.)

Engine 1 Bore X Stroke:

4.00 x 3.48 in (101.6 x 88.4 mm)

Engine 1 Compression Ratio:

9.1:1 (Approx.)

Fuel Delivery:

Sequential Multi-Port Fuel Injection (CSFI)

Fuel Type:

Unleaded Gasoline

Recommended Octane:

87

Ignition Type:

Distributorless Ignition System (DIS) with Coil Packs

ECM Type:

GM P4 ECM (Electronic Control Module)

🔧 Transmission

Type:

4-Speed Automatic (4L60-E)

Type:

5-Speed Manual (NV3500 - Rare on C2500)

Automatic Transmission Features:

Electronic Control, Overdrive

Automatic Transmission Fluid:

Dexron-III (or equivalent)

Automatic Transmission Capacity:

8.5 Quarts (8.0 Liters) (Dry Fill)

📐 Dimensions

Wheelbase Std Cab:

131.5 inches (3339 mm)

Wheelbase Ext Cab:

155.1 inches (3939 mm)

Length Std Cab Short Bed:

219.3 inches (5570 mm)

Length Ext Cab Long Bed:

250.3 inches (6357 mm)

Gvwr:

Varies by configuration (typically 7200 - 8600 lbs)

Curb Weight:

Varies by configuration (typically 4500 - 5500 lbs)

Bed Length Short:

6.5 feet

Bed Length Long:

8.0 feet

🛡️ Safety Features

NHTSA Rollover Resistance:

Not Explicitly Rated for this Vintage, but generally stable design for its class.

ABS:

Standard Rear-Wheel Anti-lock Braking System (RWAL)

Airbags:

Driver-side airbag standard.

Seat Belts:

Three-point front seat belts with shoulder belts.

💡 Technology Features

Audio System:

AM/FM Stereo with Cassette Player; Optional CD Player

Climate Control:

Manual Air Conditioning and Heating Controls

Cruise Control:

Optional Electronic Cruise Control

Connectivity Features:

Limited; primarily focused on vehicle systems. No integrated Bluetooth or USB in this era.

🔧 Maintenance

Oil Change Interval:

Every 3,000 - 7,500 miles (depending on oil type and driving conditions, consult manual for specifics).

Air Filter Replacement:

Every 15,000 - 30,000 miles or as needed based on inspection.

Spark Plug Replacement:

Every 30,000 - 100,000 miles (depending on plug type - standard vs. extended life).

Engine Oil Type:

API Service SG or SH, SAE 5W-30 or 10W-30 (refer to owner's manual for climate-specific recommendations).

Coolant Type:

GM Type II Extended Life Coolant (Pink) or equivalent.

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

GM Power Steering Fluid or Dexron-III (or equivalent)

Common Issue 1:

Vortec engine intake manifold gasket leaks (causing vacuum leaks and rough idle).

Common Issue 2:

4L60-E transmission issues: torque converter clutch (TCC) solenoid failures, delayed engagement, or slipping.

Common Issue 3:

RWAL system faults (ABS light on, intermittent or failed rear-wheel ABS).

Common Issue 4:

Fuel pump failures.

Common Issue 5:

Corrosion on body panels, especially in rust-prone areas.

Included Parts Info:

The manual likely references OE part numbers, but a separate parts catalog would be needed for full cross-referencing.

📚 Vehicle History

Gm Truck Lineage:

GMC has a long history of producing robust and reliable trucks, building on the Chevrolet truck platform with a focus on professional-grade capabilities.

C2500 Third Gen:

The 1995 C2500 is part of the GMT400 platform, introduced in 1988, which brought a more modern, aerodynamic, and integrated design compared to its predecessors. This generation marked significant improvements in ride quality, handling, and interior refinement.

Manufacturing Locations:

United States (Various GM Assembly Plants)

Production Years:

GMT400 platform C/K trucks produced from 1988-2000, with light-duty versions phasing out earlier.

🏆 Awards & Recognition

Truck Of The Year Nominations:

The GMT400 platform received various accolades for its design and capability during its production run.

Consumer Reports Reliability:

Varied by year and specific engine/transmission combination; some years of the 4.3L V6 were generally well-regarded for reliability.