1990 Nissan 240SX service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- SE Hatchback 2-Door
- XE Coupe 2-Door
- Base Coupe 2-Door
Engines covered
- 2.4L 2389CC l4 GAS SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE
THE SAFETY BELTS WOULD NOT PROVIDE ADEQUATE PROTECTION TO AN OCCUPANT IN A VEHICLE CRASH.
OWNERS SHOULD PROMPTLY CHECK THE CONDITION AND OPERATION OF BOTH FRONT SAFETY BELT BUCKLES AND CAREF
DIAGNOSIS OF VEHICLE PULL (DRIFT) AND/OR STEERING WHEEL OFF-CENTER This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SILICONE-BASED LUBRICANT OR GREASE CAN DAMAGE ELECTRICAL COMPONENTS SERVICE INFORMATION Do not apply Silicone-based lubricants or grease to, or around, any interior electrical components. To avoid the risk of death or severe personal injury
12 VOLT BATTERY TESTING FOR IN-SERVICE VEHICLES SERVICE INFORMATION The following Service Information lists NNA procedural recommendations for establishing good connections while performing 12V battery testing. These recommendations are exp
INTELLIGENT KEY REPLACEMENT OR SWAPPING BETWEEN VEHICLES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
Showing the 8 most recent of 20 technical service bulletins on file with NHTSA.
STRUCK ON PASSENGER SIDE; VEHICLE SLIDES SIDEWAYS STRIKING TREE, FLIPPED OVER ON DRIVER SIDE, DRIVER THROWN HALF WAY OUT OF WINDOW; VEHICLE CRUSHED DRIVER
SEAT BELT FAILED TO RESTRAIN DRIVER UPON IMPACT, DRIVER THROWN HALF WAY OUT OF WINDOW; VEHICLE CRUSHED DRIVER, RESULTING IN A FATALITY. *AK
FUEL INJECTORS LEAKING SAME AS RECALL 951006000. *AK
NISSAN CORPORATION IS AWARE OF THE FUEL INJECTOR DEFECT. ACCORDING TO FUTURE NISSAN IS ROSEVILLE, CA. NISSAN CORPORATION HAS WARRANTIED THE FUEL INJECTORS IN A SELECT NUMBER OF MODELS AND CYLINDER T
TL* THE CONTACT OWNS A 1990 NISSAN 240SX. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 95V103002 (SEAT BELTS). THE CONTACT WAS EXPERIENCING A FAILURE; HOWEVER, THE DEALER WOUL
Showing the 5 most serious of 51 complaints filed with NHTSA.
