1990-1993 Acura Integra service manual
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Acura Models Covered & Key Technical Specifications
Models: Acura Integra LS, Acura Integra GS, Acura Integra RS, Acura Integra GS-R
Sub-models / Variants: 2D-Hatchback, 4D-Sedan, 5-speed Manual, 4-speed Automatic, 2WD
Trade Names: Integra
Build Years: 1990–1993
Serial Numbers: B17A1 Engine: 2000001–, 2700001–; B18A1 Engine: 4000001–, 4700001–; Transmission: 1000001–, 3000001–
Technical Data:
- Engine: 1.7L B17A1 DOHC VTEC and 1.8L B18A1 DOHC Sequential Multiport Fuel-injection
- Cylinders: 4-cylinder, Inline, Transverse
- Transmission: 5-speed Manual or 4-speed Automatic with lock-up clutch
- Fuel System: Multiport Fuel-injection
- Drive System: 2WD
- Cooling System Capacity: 4.9–6.0 liters depending on transmission and overhaul status
- Engine Oil Capacity: 3.8–4.8 liters depending on engine model and overhaul status
Acura Manual Features & Content Preview
1990–1993 Acura Integra Technical Documentation
- Covers 1990–1993 Acura Integra GS, LS, RS, and GS-R models, including 2-door hatchbacks and 4-door sedans with manual or automatic transmission
- Official Honda Motor Co., Ltd. publication, first edition dated 8/92
- Contains hundreds of exploded-view diagrams, torque sequence illustrations, electrical reference tables, and diagnostic flow charts
- Files are laid out for standard letter and A4 printing
- Full-text search finds any part number in seconds
- This technical manual provides the manufacturer-specified values and assembly data for the B17A1 and B18A1 powertrain series
- Includes specialized troubleshooting sequences for VTEC solenoid valve and pressure switch systems
Engine and Powertrain Documentation
This 1990–1993 Acura Integra manual details the factory service data for the B17A1 and B18A1 engine series. The documentation segments cover removal, inspection, and component installation for the cylinder head, valve train, engine block, and lubrication systems. Detailed diagrams illustrate the timing belt tensioning sequence, VTEC solenoid valve troubleshooting, and the identification of chassis or paint codes for U.S. and Canadian markets. The document provides clear guidance on engine mounting torque sequences for both manual and automatic transmission setups, alongside complete lift and support point locations for structural safety.
Specification Highlights
Technical reference tables provide extensive service limits and standard clearances for critical rotating assemblies. Cylinder head bolt torque is specified at 85 Nm in the assembly data. Valve clearance for the intake is listed at 0.11–0.20 mm in the cylinder head specification table. The Suzuki-based B17A1 and B18A1 engine block bore diameter range is documented as 81.000–81.015 mm. For further details on what an OEM service publication covers, users can review the maintenance schedule, which outlines fluid replacement intervals for cooling, braking, and transmission systems. Reference only — always consult a certified technician before performing service on this equipment.
An official 1,198-page Honda OEM workshop manual covering the 1990–1993 Acura Integra, documenting engine, chassis, electrical, and cooling system specifications for the B17A1 and B18A1-series builds.
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