1991 Honda Prelude 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Si ALB Coupe 2-Door
- Si Coupe 2-Door
- SE Coupe 2-Door
- 2.0 Si Coupe 2-Door
- Si 4WS Coupe 2-Door
Engines covered
- 2.1L 2056CC l4 GAS DOHC Naturally Aspirated
- 2.0L 1958CC l4 GAS DOHC 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. CAREFULL
CUSTOMERS MAY COMPLAIN OF A TWANG NOISE FROM THE FRONT SUSPENSION THAT SOUNDS LIKE A SPRING CONTACT. *SLC
INFORMATION REGARDING CAM-ON FUEL FILL CAP FAILURES DURING SMOG CHECK. *YH
INFORMATION ON HONING FIBER REINFORCED METAL (FRM) CYLINDERS. *TT
THIS HEAD-ON COLLISION WAS INVESTIGATED BY THE CHP. CENTRAL DIVISION CHP M.A.I.T. WAS REQUESTED TO EXAMINE THE FAILURE OF THE DRIVER'S SIDE RESTRAINT. UPON EXAMINATION SGT. ESMAY DETERMINED THAT THE
VEHICLE INVOLVED IMPACT 1:00 POSITION SPEED 5 MPH LAP/SHOULDER FAILED TO RETRACT. TT
THIS IS A COMMON PROBLEM WITH HONDA PRELUDES...EVERYONE I KNOW WITH A PRELUDE HAS ENGINE PROBLEMS
BOUGHT THE CAR AND THE ENGINE BLEW UP AND CAUGHT ON FIRE. FIRE DEPARTMENT WAS CALLED TO PUT OUT THE FIRE THE WAS NO REASON WHY THE ENGINE BLEW OUT AND CAUGHT ON FIRE.... IT THREW A ROD. *AK
Showing the 4 most serious of 18 complaints filed with NHTSA.
