🏷️ Basic Information Identification Make: Chevrolet Model: Corvette Year: 1975 Engine Code: L48 (350ci V8) Codes Platform: C3 (Third Generation) 👋 Introduction Market Position Positioning: The quintessential American sports car, the 1975 Corvette was a statement of performance and style. Competitive Analysis Competitors: Competed with European sports cars but offered distinct American muscle car appeal. Key Features Defining Characteristics: Removable T-tops, fiberglass body, powerful V8 engine, and independent rear suspension. 📋 Manual Details Coverage Areas All Models Trims Engines Transmissions: True Page Count Estimated Pages: Approximately 1000+ Manual Type Type: Workshop Repair & Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Comprehensive: Diagnosis, disassembly, inspection, repair, and reassembly of engine components. Fuel System: Detailed: Carburetor (Quadrajet), fuel pump, lines, and tank service. Ignition System: In-depth: Distributor, coil, spark plugs, wiring, and timing adjustments. Cooling System: Thorough: Radiator, fan, water pump, thermostat, and coolant specifications. Exhaust System: Coverage: Manifolds, pipes, catalytic converter (if applicable for emissions), and mufflers. Transmission Manual: Complete: Clutch, shifter, gearbox disassembly, repair, and adjustment for M20 and M21 4-speed manuals. Transmission Automatic: Comprehensive: Turbo Hydramatic 350 (THM350) disassembly, repair, and adjustments. Drivetrain: Detailed: Driveshaft, U-joints, rear axle assembly, and differential service. Suspension Front: Extensive: Ball joints, control arms, tie rods, springs, shocks, and alignment procedures. Suspension Rear: In-depth: Multi-link independent rear suspension, shock absorbers, and alignment. Steering System: Thorough: Power steering pump, gearbox, steering column, and linkage service. Brake System: Complete: Disc brakes (front and rear), power assist, hydraulic lines, master cylinder, and bleeding procedures. Electrical System Charging: Detailed: Alternator, voltage regulator, battery, and wiring. Electrical System Starting: In-depth: Starter motor, solenoid, and ignition switch service. Lighting System: Coverage: Headlights, taillights, interior lights, and switch operation. Instrumentation: Thorough: Gauges, warning lights, and their associated sensors and wiring. HVAC System: Complete: Heater core, blower motor, A/C system (if equipped), and controls. Body And Frame: Extensive: Chassis repair, fiberglass body panel repair, doors, windows, and convertible top service. Interior Trim: Detailed: Seat removal and repair, carpet, dashboard, and console. Emissions Control: Specific: Catalytic converter operation, EGR system, and air injection (California models). Procedures Included Routine Maintenance: Comprehensive: Oil changes, filter replacements, tune-ups, fluid checks, and lubrication. Troubleshooting: In-depth: Symptom-based diagnostics, wiring diagrams, and component testing. Component Repair: Detailed: Step-by-step instructions for rebuilding or replacing major components. Specifications And Tolerances: Essential: Torque values, clearances, and measurement guides. Wiring Diagrams: Critical: Complete electrical schematics for all systems. Diagnostic Charts: Helpful: Fault-finding guides and flowcharts. Technical Depth Depth: Expert-level: Covers everything from basic tune-ups to complete engine and transmission overhauls. 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable text, printable pages. Print Quality Print Readability: Excellent, designed for clarity on screen and in print. Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Quality: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Model: Chevrolet 350 CID (5.7L) V8 Engine Code: L48 Configuration: V8, Overhead Valve (OHV) Bore X Stroke: 4.00 in x 3.48 in (101.6 mm x 88.4 mm) Compression Ratio: 8.0:1 (for California models: 7.0:1) Performance Horsepower Net: 165 hp @ 4000 rpm (Federal), 155 hp @ 4000 rpm (California) Torque Net: 250 lb-ft @ 2400 rpm (Federal), 235 lb-ft @ 2400 rpm (California) Fuel System Carburetor: Rochester Quadrajet 4-barrel (4MV) Fuel Type: Unleaded gasoline Fluid Specifications Oil Type Capacity: API SE, SAE 10W-30 (5 US quarts / 4.7 liters with filter) 🔧 Transmission Standard Transmission Type: 4-Speed Manual (Muncie M20 or M21) Optional Transmission Type: 3-Speed Automatic (Turbo Hydramatic 350 - THM350) Features Manual Gear Ratios: M20: 2.52, 1.86, 1.45, 1.00 (approx.); M21: 2.20, 1.66, 1.31, 1.00 (approx.) Automatic Features: Torque converter lock-up (select models), shift points. Fluid Specifications Manual Transmission Fluid: Dexron II Automatic Transmission Fluid (ATF) or equivalent Automatic Transmission Fluid: Dexron II Automatic Transmission Fluid (ATF) or equivalent (Capacity: 9 US pints / 4.3 liters) 📐 Dimensions Exterior Wheelbase: 98.0 inches (2489 mm) Length: 182.5 inches (4636 mm) Width: 70.8 inches (1798 mm) Height: 45.8 inches (1163 mm) Weights Curb Weight: Approximately 3,400 - 3,550 lbs (1542 - 1610 kg) Gross Vehicle Weight Rating: Not typically specified in detail for sports cars, but estimated around 4,000 lbs. Cargo Trunk Volume: Approximately 15.2 cubic feet (rear storage compartment) 🛡️ Safety Features Ratings Crash Test Data: No standardized NHTSA crash test data available for this era of vehicle. Active Features Braking System: Power-assisted front and rear disc brakes. Steering Safety: Collapsible steering column. Passive Features Seat Belts: Three-point lap and shoulder belts. Rollover Protection: Internal roll bar structure within the windshield frame. 💡 Technology Features Infotainment Radio Options: AM/FM mono or stereo radio, optional 8-track player. Driver Assistance Cruise Control: Optional Connectivity Connectivity Features: None by modern standards; analog gauges and controls. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 6 months, whichever comes...
Dexron II Automatic Transmission Fluid (ATF) or equivalent
Automatic Transmission Fluid:
Dexron II Automatic Transmission Fluid (ATF) or equivalent (Capacity: 9 US pints / 4.3 liters)
📐 Dimensions
Exterior
Wheelbase:
98.0 inches (2489 mm)
Length:
182.5 inches (4636 mm)
Width:
70.8 inches (1798 mm)
Height:
45.8 inches (1163 mm)
Weights
Curb Weight:
Approximately 3,400 - 3,550 lbs (1542 - 1610 kg)
Gross Vehicle Weight Rating:
Not typically specified in detail for sports cars, but estimated around 4,000 lbs.
Cargo
Trunk Volume:
Approximately 15.2 cubic feet (rear storage compartment)
🛡️ Safety Features
Ratings
Crash Test Data:
No standardized NHTSA crash test data available for this era of vehicle.
Active Features
Braking System:
Power-assisted front and rear disc brakes.
Steering Safety:
Collapsible steering column.
Passive Features
Seat Belts:
Three-point lap and shoulder belts.
Rollover Protection:
Internal roll bar structure within the windshield frame.
💡 Technology Features
Infotainment
Radio Options:
AM/FM mono or stereo radio, optional 8-track player.
Driver Assistance
Cruise Control:
Optional
Connectivity
Connectivity Features:
None by modern standards; analog gauges and controls.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000 miles or 6 months, whichever comes first.
Tune Up Interval:
Every 12,000 miles or 12 months (includes spark plugs, points, condenser, distributor cap/rotor).
Transmission Fluid Change:
Every 24,000 miles or 24 months.
Coolant Flush:
Every 24,000 miles or 24 months.
Fluid Specifications
Brake Fluid Type:
DOT 3 or DOT 4 (Glycol-based)
Power Steering Fluid:
Dexron II ATF or equivalent
Coolant Type:
Ethylene Glycol based permanent antifreeze (50/50 mix with distilled water)
Known Issues
Common Problems 1975 Corvette:
Carburetor tuning, vacuum leaks, exhaust system rust, fiberglass body cracks/crazing, electrical component degradation, suspension bushing wear.
Filters
Oil Filter Part Number:
Examples: AC PF2, Fram PH8A, Wix 51515 (verify application)
Air Filter Part Number:
Examples: AC A529C, Fram CA2650 (verify application)
📚 Vehicle History
Brand Heritage
Chevrolet Legacy:
Chevrolet's enduring commitment to performance and accessible sports cars.
Model Evolution
C3 Generation Overview:
The C3 Corvette (1968-1982) represented a significant shift in styling and technology, with the 1975 model year marking a transition towards improved fuel efficiency and emissions control.
Production
Production Years:
1968-1982 (C3 Generation)
1975 Production Numbers:
Approximately 38,460 units produced.
Manufacturing Location:
Bowling Green, Kentucky, USA
🏆 Awards & Recognition
Recognitions
Automotive Awards:
The Corvette line has historically received numerous accolades, though specific 'awards' for the '75 model are less common than general positive reviews for its performance and styling in the era.