1991 Pontiac LeMans Service & Repair Manual

← 1990All LeMans years1992 →

The service and repair manual for the 1991 Pontiac LeMans — the 1.6L I4 engine, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Pontiac published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year1991
Engines
1.6L I4 — 97 cu in, SOHC
TrimsLE Hatchback 2-Door · LE Sedan 4-Door · Value Leader Hatchback 2-Door
Federal record1 recall · 35 complaints · 2 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1991 LeMans manual

1991 Pontiac LeMans service manual page 11991 Pontiac LeMans service manual page 21991 Pontiac LeMans service manual page 31991 Pontiac LeMans service manual page 41991 Pontiac LeMans service manual page 5

03 / ContentsSections in the manual

  • Quick Lookups 62
  • General Information 1,525
  • Accessories & Equipment 35
  • Heating, Ventilation & A/C (HVAC) 274
  • Brakes 23
  • Maintenance 42
  • Steering 65
  • Electrical 103
  • Suspension 44
  • Engine Mechanical 112
  • Transmission 456
  • Engine Performance 432
  • Housing Support Bracket Bolt 12
  • Steering Column-To-Instrument Panel Bolt 16
  • Steering Wheel-To-Steering Column Nut 13
  • Universal Coupling Pinch Bolt 18

04 / Known issuesRecalls on federal record for the 1991 LeMans

  1. Seat Belts — front › buckle assembly · 93V154000
    The buckle malfunction would prevent the use of thesafety belt system, placing the front seat occupa.

Owners have filed 35 complaints and Pontiac has issued 2 technical service bulletins for the 1991 LeMans. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1991 LeMans manual

Is this manual specific to the 1991 LeMans?

Yes. It is the OEM manual matched to the 1991 model year, covering the 1.6L I4 across the LE Hatchback 2-Door, LE Sedan 4-Door, Value Leader Hatchback 2-Door trims. Specifications and procedure sequences are the ones Pontiac published for this year.

What 1991 LeMans problems does it help with?

1 recall is on federal record for the 1991 LeMans, covering seat belts. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Pontiac dealers.

Does it include 1991 LeMans wiring diagrams?

Yes — the complete wiring diagrams for the 1991 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther LeMans years and 1991 Pontiac models

1993 LeMans · 1992 LeMans · 1990 LeMans · 1989 LeMans · 1988 LeMans · all 6 years

1991 Pontiac 6000 · 1991 Pontiac Bonneville · 1991 Pontiac Firebird · 1991 Pontiac Firefly · 1991 Pontiac Grand Am · 1991 Pontiac Grand Prix · 1991 Pontiac Optima · 1991 Pontiac Sunbird · 1991 Pontiac Tempest · 1991 Pontiac Trans Sport · every 1991 model