1990 Pontiac Firebird Service & Repair Manual

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The service and repair manual for the 1990 Pontiac Firebird — 5.0L V8 and 5.7L V8 and 3.1L V6 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
5.0L V8 — OHV
5.7L V8 — OHV
3.1L V6 — OHV
TrimsFormula Coupe 2-Door · Trans Am GTA Coupe 2-Door · Trans Am Coupe 2-Door · Base Coupe 2-Door
Federal record4 recalls · 10 complaints · 3 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1990 Firebird manual

1990 Pontiac Firebird service manual page 11990 Pontiac Firebird service manual page 21990 Pontiac Firebird service manual page 31990 Pontiac Firebird service manual page 41990 Pontiac Firebird service manual page 51990 Pontiac Firebird service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 71
  • General Information 1,528
  • Accessories & Equipment 202
  • Heating, Ventilation & A/C (HVAC) 186
  • Body & Frame 83
  • Maintenance 44
  • Brakes 66
  • Restraints 163
  • Drivelines & Axles 44
  • Steering 90
  • Electrical 143
  • Suspension 58
  • Engine Mechanical 231
  • Transmission 291
  • Engine Performance 1,321

04 / Known issuesRecalls on federal record for the 1990 Firebird

  1. Equipment · 07E088000
    This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire.
  2. Fuel System, Gasoline · 06E043000
    This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
  3. Seat Belts — front › buckle assembly · 90V105000
    This could result in breakage of plastic components whichcould prevent buckle from latching and prot.
  4. Fuel System, Gasoline — delivery › hoses, lines/piping, and fittings · 90V114000
    If this coupling separated, allowing gasoline to leak,and an ignition source was present, an engine.

Owners have filed 10 complaints and Pontiac has issued 3 technical service bulletins for the 1990 Firebird. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1990 Firebird manual

Is this manual specific to the 1990 Firebird?

Yes. It is the OEM manual matched to the 1990 model year, covering the 5.0L V8 and 5.7L V8 and 3.1L V6 across the Formula Coupe 2-Door, Trans Am GTA Coupe 2-Door, Trans Am Coupe 2-Door, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones Pontiac published for this year.

What 1990 Firebird problems does it help with?

4 recalls are on federal record for the 1990 Firebird, covering equipment, fuel system, gasoline, 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 Firebird 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.

RelatedOther Firebird years and 1990 Pontiac models

1996 Firebird · 1995 Firebird · 1994 Firebird · 1993 Firebird · 1992 Firebird · 1991 Firebird · 1989 Firebird · 1988 Firebird · 1987 Firebird · 1986 Firebird · 1985 Firebird · 1984 Firebird · all 21 years

1990 Pontiac 6000 · 1990 Pontiac Bonneville · 1990 Pontiac Firefly · 1990 Pontiac Grand Am · 1990 Pontiac Grand Prix · 1990 Pontiac LeMans · 1990 Pontiac Optima · 1990 Pontiac Sunbird · 1990 Pontiac Tempest · 1990 Pontiac Trans Sport · every 1990 model