1990 Pontiac LeMans Service & Repair Manual

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The service and repair manual for the 1990 Pontiac LeMans — 1.6L I4 and 2.0L I4 engines, 4 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 year1990
Engines
1.6L I4 — 97 cu in, SOHC
2.0L I4 — SOHC
TrimsLE Hatchback 2-Door · LE Sedan 4-Door · Value Leader Hatchback 2-Door · GSE Hatchback 2-Door
Federal record1 recall · 31 complaints · 1 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1990 LeMans manual

1990 Pontiac LeMans service manual page 11990 Pontiac LeMans service manual page 21990 Pontiac LeMans service manual page 31990 Pontiac LeMans service manual page 41990 Pontiac LeMans service manual page 5

03 / ContentsSections in the manual

  • Quick Lookups 62
  • General Information 1,523
  • Accessories & Equipment 35
  • Heating, Ventilation & A/C (HVAC) 164
  • Brakes 23
  • Maintenance 42
  • Steering 65
  • Electrical 108
  • Suspension 43
  • Engine Mechanical 170
  • Transmission 142
  • Engine Performance 369
  • 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 1990 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 31 complaints and Pontiac has issued 1 technical service bulletins for the 1990 LeMans. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1990 LeMans manual

Is this manual specific to the 1990 LeMans?

Yes. It is the OEM manual matched to the 1990 model year, covering the 1.6L I4 and 2.0L I4 across the LE Hatchback 2-Door, LE Sedan 4-Door, Value Leader Hatchback 2-Door, GSE Hatchback 2-Door trims. Specifications and procedure sequences are the ones Pontiac published for this year.

What 1990 LeMans problems does it help with?

1 recall is on federal record for the 1990 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 1990 LeMans wiring diagrams?

Yes — the complete wiring diagrams for the 1990 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.

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