Market Position:
Targeted at DIY enthusiasts and independent repair shops for the 1991 Isuzu Stylus.
Competitive Analysis:
Offers a modern, accessible alternative to outdated and hard-to-find printed manuals, providing licensed OE data.
Key Features:
Licensed OE data, instant online access, compatibility with multiple devices, comprehensive coverage, cost-effective.
Market Segment:
Subcompact/Compact Sporty Hatchback/Coupe
Value Proposition:
Provides significant cost savings compared to dealership repairs and outdated printed manuals by empowering owners with factory-level information.
Manual Type:
Official Service and Repair Manual Software
Manual Provider:
RepairSurge (with licensed OE materials)
Format:
Online Software (accessible via web browser)
Access Duration:
1 Year (with options for extension)
Coverage Areas:
All mechanical and electrical systems of the 1991 Isuzu Stylus. Includes detailed diagrams, specifications, and repair procedures.
User Interface:
Intuitive web-based interface, easy navigation through sections and procedures.
Device Compatibility:
Compatible with PC, laptop, smartphone, and tablet via web browser and internet connection.
Engine:
Complete service, repair, diagnostics, and overhaul
Drivetrain:
Transmission, axles, driveshafts, differentials
Suspension:
Front and rear suspension components, alignment, shock absorbers, springs
Steering:
Steering gear, power steering system, steering linkage
Brakes:
Hydraulic system, calipers, rotors, drums, parking brake, ABS (if equipped)
Electrical System:
Wiring diagrams, lighting, starting and charging systems, ignition system, accessories
Heating And Air Conditioning:
HVAC system components, refrigerant, operation, diagnosis
Fuel System:
Fuel pump, injectors, lines, tank, emission controls
Exhaust System:
Manifolds, pipes, muffler, catalytic converter
Bodywork:
Body panel repair, doors, windows, trim
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based diagnosis
Repair:
Step-by-step repair instructions for all major components and systems
Rebuilds:
Complete engine and transmission rebuild procedures
Diagnosis:
Detailed diagnostic flowcharts and procedures
Engine Management Diagnosis:
Diagnosis of fuel injection and ignition systems, sensor testing, ECU troubleshooting.
Chassis Tuning:
Information related to suspension geometry, alignment specifications, and potential Lotus tuning influences.
Interior Trim Removal:
Procedures for removing and reinstalling interior panels, seats, and dashboard components.
Exterior Body Panel Repair:
Instructions for dent repair, panel replacement, and alignment of body panels.
Depth:
Comprehensive: Covers everything from basic maintenance to complete engine/transmission overhauls and complex electrical diagnostics.
Diagnostic Codes:
Covers OBD-I diagnostic procedures and trouble codes (if applicable to the specific variant).
Engine Code:
G161 (likely, common for 1.6L Isuzu engines of this era, requires manual verification)
Engine Type:
Inline 4-Cylinder, SOHC (Single Overhead Camshaft)
Displacement:
1.6 Liters (1598 cc)
Horsepower:
Approx. 85-90 HP (at 5,600 rpm, subject to market and specific tune)
Torque:
Approx. 95-100 lb-ft (at 3,000 rpm, subject to market and specific tune)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline
Ignition System:
Distributor-based electronic ignition
Emission Controls:
Catalytic converter, EGR (Exhaust Gas Recirculation), O2 sensor
Infotainment System:
Basic AM/FM stereo with cassette player, optional CD player. Analog gauges and controls.
Driver Assistance Features:
Limited to basic systems of the era, no advanced electronic driver aids like ABS (standard on all models), traction control, or stability control.
Connectivity:
No modern connectivity features (Bluetooth, USB, Wi-Fi).
Oil Change Interval:
Every 3,000 - 5,000 miles or 6 months (typical for the era, consult manual for exact)
Timing Belt Replacement:
Every 60,000 - 100,000 miles (crucial for interference engines, check manual for belt type and interval)
Engine Oil:
API SG or SH, SAE 10W-30 or 10W-40 (verify viscosity based on climate and manual)
Coolant:
Isuzu Long Life Coolant (Blue) or equivalent ethylene glycol-based coolant with deionized water (50/50 mix)
Brake Fluid:
DOT 3 or DOT 4
Known Issues:
Timing belt tensioner failure (can cause belt jump/break), ignition coil failure, radiator leaks, power window motor issues, occasional electronic sensor problems.
Spark Plugs:
NGK BPR5ES-11 or equivalent (typical, verify)
Spark Plug Gap:
1.1 mm (0.043 inches) (typical, verify)
Oil Filter Part Number:
Wix 51515, Purolator L14670, Fram PH3569 (typical, verify)
Air Filter Part Number:
Wix 42500, Fram CA3569 (typical, verify)
Engine Oil Capacity:
Approx. 3.5 - 4.0 Liters (with filter change) - Verify with manual.
Coolant Capacity:
Approx. 5.5 - 6.5 Liters - Verify with manual.
Brand Heritage:
Isuzu has a long history in automotive manufacturing, known for its trucks, SUVs, and reliable diesel engines. In the passenger car segment, they often collaborated or rebadged vehicles.
Model Evolution:
The Isuzu Stylus, or its North American counterpart the Geo Storm, was a sporty compact car introduced in the late 1980s, sharing platforms and components with Isuzu's Gemini and Piazza models, and often featuring Lotus engineering input on chassis tuning.
Production Years:
Approx. 1990-1993 (as Geo Storm) / Late 1980s - Early 1990s (as Isuzu Stylus in other markets)
