1988 Pontiac LeMans Service and Repair Manual

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Factory-Grade Data

1988 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

  • Base Sedan 4-Door
  • Value Leader Hatchback 2-Door
  • SE Sedan 4-Door
  • Aerocoupe Hatchback 2-Door
  • Aerocoupe YL Hatchback 2-Door

Engines covered

  • 1.6L 1588CC 98Cu. 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

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Vehicle Safety Data

1988 Pontiac LeMans Recalls & Complaints

NHTSA #93V15400021/09/1993Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

THE SAFETY BELT BUCKLE ASSEMBLIES MAY NOT LATCH OR MAY NOT RELEASE DUE TO THE FRACTURE OF THE RED RELEASE PUSH BUTTON.

Consequence

THE BUCKLE MALFUNCTION WOULD PREVENT THE USE OF THESAFETY BELT SYSTEM, PLACING THE FRONT SEAT OCCUPA

Remedy

REPLACE OR REPAIR THE SAFETY BELT BUCKLES.

NHTSA #88V16300018/10/1988Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

SEAT BELT BUCKLES MAY NOT PROPERLY LATCH ALLOWING THE LATCH PLATE TO BE REMOVED FROM THE BUCKLE WITHOUT PRESSING THE RELEASE BUTTON.

Consequence

IN EVENT OF A SUDDEN STOP OR COLLISION, SEAT BELT COULDRELEASE, INCREASING THE RISK OF INJURY TO OCC

Remedy

REPLACE SEAT BELT BUCKLES.

NHTSA #88V09400014/06/1988Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

FUEL FILLER NECK MAY HAVE BEEN INCOMPLETELY WELDED, ALLOWING FUEL TO LEAK FROM THE NECK ASSEMBLY.

Consequence

IN THE EVENT OF A COLLISION IMPACT, FUEL SPILLAGE INEXCESS OF AMOUNT ALLOWED BY FMVSS 301 COULD RESU

Remedy

REPLACE FUEL FILLER NECK ASSEMBLY.

No service bulletins No technical service bulletins on file with NHTSA for the 1988 Pontiac LeMans.
19951031Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLYCrash reported1 injured

THE SEAT BELT COME OUT OF BUCKLE WHEN CONSUMER WAS IN ACCIDENT. TT CONSUMER STATES SHE WAS TRAVELING ABOUT 45 MPH AND A DEER RAN OUT IN FRONT OF HER VEHICLE ON IMPACT AND SEAT BELT CAME OPEN, AND CO

19950522Component: SEAT BELTS:FRONT:WEBBINGCrash reported1 injured

SEAT BELT FAILURE, SHOULDER BELT DID NOT KEEP DRIVER FROM HITTING WINDSHIELD. TT

20021024Component: STEERING:HYDRAULIC POWER ASSIST SYSTEM1 injured

FINGERS BENT AND TWISTED INDEX AND MIDDLE FINGERS ARE BENT AND TWISTED TOWARDS THE BABY FINGERS. THUNBS ARE BENT OUTWARD AWAY FROM HANDS. HANDS ARE PAINFUL. BENDING AND TWISTING DOESN'T APPEAR AS B

19990421Component: SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

WHILE DRIVING FRONT SPRINGS BROKE. THERE WAS NO WARNING. ONE SET BROKE WHILE ON CRUISE CONTROL. THE OTHER SET BROKE WHILE WAITING AT A STOP LIGHT. HAVE NOT TAKEN VEHICLE TO DEALER YET. *AK

19971217Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

FUEL FILLER NECK LEAKED FUEL DUE TO IMPROPER WELDING PRIOR TO/AFTER RECALL. OWNER NEVER RECEIVED A RECALL NOTICE (88V-094.000). *AK

Showing the 5 most serious of 24 complaints filed with NHTSA.

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