1990 Pontiac LeMans 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
- LE Hatchback 2-Door
- LE Sedan 4-Door
- Value Leader Hatchback 2-Door
- GSE Hatchback 2-Door
Engines covered
- 1.6L 1588CC 98Cu. In. l4 GAS SOHC Naturally Aspirated
- 2.0L 122Cu. In. 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 SAFETY BELT BUCKLE ASSEMBLIES MAY NOT LATCH OR MAY NOT RELEASE DUE TO THE FRACTURE OF THE RED RELEASE PUSH BUTTON.
THE BUCKLE MALFUNCTION WOULD PREVENT THE USE OF THESAFETY BELT SYSTEM, PLACING THE FRONT SEAT OCCUPA
REPLACE OR REPAIR THE SAFETY BELT BUCKLES.
CHATTERING, BINDING OR INCOMPLETE/REPEAT TRAVERSE OF SHOULDER BELT ON PASSIVE RESTRAINT. (SERVICE PROCEDURE, REFERENCE CAMPAIGN BULLETIN 93-C-57). *TW
FLOOR MOUNT SHIFT BECOMES SHAKY AND SLIPS OUT OF GEAR. *AK
WHEN CAR IS IN REVERSE CAR ACCELERATES . TTCONSUMER STATES WITHOUT FOOT BEING ON THE PEDAL.*JB
UNEXPECTED SUDDEN ACCELERATION WHEN SHIFTING AUTOMATIC TRANSMISSION INTO REVERSE. TT *SLC
UNEXPECTED SUDDEN ACCELERATION WHEN SHIFTING AUTOMATIC TRANSMISSION INTO REVERSE. TT *SLC
Showing the 4 most serious of 31 complaints filed with NHTSA.
