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Infiniti

1991 Infiniti G20 Service & Repair Manual Software

1991 Infiniti G20 Service & Repair Manual Software

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$16.99
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Vehicle data plateRef 195726
Brand
Infiniti
Vehicle
Cars
Models covered
G Models, G20
Years
1991
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Infiniti
Model:
G20
Year:
1991
Codes
Chassis Code:
P10
👋 Introduction
Market Position
Vehicle Segment:
Compact executive sedan, positioned as a premium alternative to mainstream Japanese and American sedans of the era.
Competitive Analysis
Key Competitors:
Acura Integra, Honda Civic Si, Toyota Corolla GT-S, Mazda 323 GTX, Ford Escort GT.
Key Features
Vehicle Selling Points:
Sporty handling, refined interior, reliable SR20DE engine, available with manual or automatic transmissions, luxurious appointments for its class.
Manual Value Proposition
Benefit To Owner:
Enables DIY repairs, saving money on labor costs, and providing a deeper understanding of vehicle maintenance and operation.
📋 Manual Details
Coverage Areas
Systems Covered Overview:
Comprehensive coverage of all major mechanical, electrical, and body systems for the 1991 Infiniti G20.
Page Count
Estimated Page Count:
Likely exceeds 1500 pages (typical for OE service manuals of this era).
Manual Type
Manual Format Type:
Official Service and Repair Manual Software
Language
Language:
English
Format
Digital Format:
Online Software/Web-based Access
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Detailed repair procedures for the SR20DE engine, including disassembly, inspection, assembly, timing belt, lubrication system, cooling system, and emissions controls.
Fuel System:
Fuel injection system diagnosis and repair, fuel pump, injectors, pressure regulator, and EVAP system.
Drivetrain:
Front-wheel drive system, including CV axles, differential, and hub bearings.
Transmission:
Coverage for both manual (e.g., RS5F30A) and automatic (e.g., RE4F03A) transmissions, including removal, installation, overhaul, and fluid specifications.
Suspension And Steering:
Front and rear suspension components (struts, control arms, bushings), power steering system diagnosis and repair, steering rack.
Brakes:
Front and rear brake systems, including disc brake component replacement (pads, rotors), hydraulic system diagnostics, ABS (if equipped), parking brake.
Electrical System:
Complete wiring diagrams, lighting systems, starting and charging systems, fuses, relays, and component testing.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system service, including refrigerant handling, compressor, blower motor, and climate controls.
Body And Interior:
Exterior body panel repair, doors, windows, interior trim removal and installation, seat adjustments.
Diagnostic Trouble Codes:
Procedures for reading and interpreting diagnostic trouble codes (DTCs) for engine management and other systems.
Procedures Included
Maintenance Procedures:
Regular maintenance tasks such as oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt adjustments.
Repair Procedures:
Detailed step-by-step repair instructions for virtually all mechanical and electrical components.
Troubleshooting Guides:
Systematic diagnostic procedures for identifying and resolving common and uncommon faults.
Technical Depth
Depth Of Coverage:
Factory-level technical depth, suitable for professional technicians and experienced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission overhauls.
📊 Manual Specifications
File Format
Digital File Type:
Web-based software, accessible via internet browser. Likely utilizes proprietary software from RepairSurge.
Print Quality
Online Content Quality:
High-quality, licensed OE material presentation. Searchable and easily navigable.
Binding Type
Digital Access Type:
Subscription-based access for one year, with options for renewal.
Paper Type
Online Platform Compatibility:
Compatible with PC, laptop, smartphone, and tablet via web browser.
⚙️ Engine Specifications
Primary Engine
Engine Code:
SR20DE
Engine Type:
Inline 4-cylinder, DOHC, 16-valve
Displacement:
1998 cc (2.0 Liters)
Performance
Horsepower:
Approx. 140-145 hp @ 6400 rpm (varies slightly by market/spec)
Torque:
Approx. 130-132 lb-ft @ 4800 rpm
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
🔧 Transmission
Standard
Standard Transmission Type:
5-speed Manual Transmission (e.g., RS5F30A)
Optional
Optional Transmission Type:
4-speed Automatic Transmission (e.g., RE4F03A)
Features
Drive Type:
Front-Wheel Drive (FWD)
📐 Dimensions
Exterior
Length:
Approx. 176.8 inches (4490 mm)
Width:
Approx. 67.7 inches (1720 mm)
Height:
Approx. 54.5 inches (1385 mm)
Wheelbase:
Approx. 104.3 inches (2650 mm)
Weights
Curb Weight:
Approx. 2800-3000 lbs (1270-1360 kg) depending on transmission and trim.
🛡️ Safety Features
Ratings
NHTSA Frontal Impact Rating:
N/A (NHTSA testing protocols differed significantly in 1991; specific ratings may not be directly comparable to modern standards.)
Active Features
ABS:
Anti-lock Braking System (ABS) was often an optional feature on higher trims or specific packages.
Passive Features
Airbags:
Driver-side airbag was standard; passenger airbag was optional or unavailable depending on the market and specific model year update.
Seatbelts:
Three-point seat belts for all outboard seating positions.
💡 Technology Features
Infotainment
Audio System:
Factory cassette player with AM/FM radio, often with premium speaker options. CD player may have been optional on higher trims.
Driver Assistance
Cruise Control:
Standard on most trims, providing consistent highway cruising.
Connectivity
Original Connectivity:
No modern connectivity features like Bluetooth or USB; basic radio and auxiliary input (if equipped).
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles or 3 months (or 7,500 miles/6 months with synthetic oil, consult manual for specifics).
Timing Belt Replacement:
Every 60,000 to 90,000 miles (critical maintenance item for SR20DE to prevent catastrophic engine damage).
Fluid Specifications
Engine Oil Type:
API SG or SH, SAE 5W-30 or 10W-30 (consult manual for temperature-specific recommendations).
Coolant Type:
Nissan Genuine Super Long Life Coolant (or equivalent ethylene glycol-based coolant with de-ionized water, typically a 50/50 mix).
Transmission Fluid Type Auto:
Nissan Genuine Matic D ATF (or Dexron II/III equivalent).
Brake Fluid Type:
DOT 3 Brake Fluid
Known Issues
Common Wear Items:
Front suspension bushings, CV boots, engine mounts, rear brake calipers (sticking), power window regulators, O2 sensor failure.
Engine Specifics:
While the SR20DE is generally robust, carbon buildup on intake valves can occur; timing belt maintenance is crucial.
📚 Vehicle History
Brand Heritage
Infiniti Launch Era:
Infiniti was launched by Nissan in 1989 as its luxury division, aiming to compete with established luxury brands.
Model Evolution
G20 First Generation Start:
The Infiniti G20 (P10 chassis) was introduced for the 1991 model year.
G20 Platform Basis:
Based on the Nissan Primera (P10) platform, known for its sporty chassis and handling dynamics.
Production
Manufacturing Location:
Japan
🏆 Awards & Recognition
Recognitions
Car And Driver Features:
Car and Driver recognized the P10 chassis (which the G20 is based on) for its excellent handling and sporty nature in period reviews.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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