1991 Buick Skylark Service & Repair Manual

← 1990All Skylark years1992 →

The service and repair manual for the 1991 Buick Skylark — 2.3L I4 and 3.3L V6 and 2.5L I4 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Buick published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year1991
Engines
2.3L I4 — DOHC
3.3L V6 — OHV
2.5L I4 — 151 cu in, OHV
TrimsLuxury Edition Sedan 4-Door · Base Sedan 4-Door · Custom Coupe 2-Door · Custom Sedan 4-Door · Base Coupe 2-Door · Gran Sport Coupe 2-Door
Federal record2 recalls · 46 complaints · 9 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1991 Skylark manual

1991 Buick Skylark service manual page 11991 Buick Skylark service manual page 21991 Buick Skylark service manual page 31991 Buick Skylark service manual page 41991 Buick Skylark service manual page 51991 Buick Skylark service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 69
  • Engine Performance 1,345
  • Accessories & Equipment 273
  • General Information 1,528
  • Body & Frame 111
  • Heating, Ventilation & A/C (HVAC) 250
  • Brakes 375
  • Maintenance 45
  • Drivelines & Axles 22
  • Steering 92
  • Electrical 167
  • Suspension 89
  • Engine Mechanical 272
  • Transmission 453
  • Body 22
  • Air Bag Module 13
  • Turn Signal Switch Screw 35
  • Lock Cylinder Retaining Screw 40

04 / Known issuesRecalls on federal record for the 1991 Skylark

  1. Fuel System, Gasoline · 06E043000
    This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
  2. Visibility — power window devices and controls · 92V043000
    The electronic control module will fail from overheatingand could result in a fire hazard inside the.

Owners have filed 46 complaints and Buick has issued 9 technical service bulletins for the 1991 Skylark. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1991 Skylark manual

Is this manual specific to the 1991 Skylark?

Yes. It is the OEM manual matched to the 1991 model year, covering the 2.3L I4 and 3.3L V6 and 2.5L I4 across the Luxury Edition Sedan 4-Door, Base Sedan 4-Door, Custom Coupe 2-Door, Custom Sedan 4-Door, Base Coupe 2-Door, Gran Sport Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.

What 1991 Skylark problems does it help with?

2 recalls are on federal record for the 1991 Skylark, covering fuel system, gasoline, visibility. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Buick dealers.

Does it include 1991 Skylark 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 Skylark years and 1991 Buick models

1997 Skylark · 1996 Skylark · 1995 Skylark · 1994 Skylark · 1993 Skylark · 1992 Skylark · 1990 Skylark · 1989 Skylark · 1988 Skylark · 1987 Skylark · 1986 Skylark · 1985 Skylark · all 17 years

1991 Buick Century · 1991 Buick Commercial Chassis · 1991 Buick LeSabre · 1991 Buick Park Avenue · 1991 Buick Reatta · 1991 Buick Regal · 1991 Buick Riviera · 1991 Buick Roadmaster · every 1991 model