The service and repair manual for the 1999 Buick Regal — 3.8L V6 and 3.8L V6 engines, 2 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 year | 1999 |
|---|---|
| Engines | 3.8L V6 — 232 cu in, OHV 3.8L V6 — 232 cu in, OHV, supercharged |
| Trims | GS Sedan 4-Door · LS Sedan 4-Door |
| Federal record | 6 recalls · 301 complaints · 89 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1999 Regal manual






03 / ContentsSections in the manual
- Quick Lookups 100
- General Information 1,767
- Accessories & Equipment 837
- Heating, Ventilation & A/C (HVAC) 346
- Body & Frame 477
- Maintenance 36
- Brakes 341
- Restraints 109
- Drivelines & Axles 17
- Steering 140
- Electrical 281
- Suspension 108
- Engine Mechanical 348
- Transmission 463
- Engine Performance 10,478
- Front 118
- Radiator Cap Pressure 15
04 / Known issuesRecalls on federal record for the 1999 Regal
- Engine And Engine Cooling — engine · 15V701000Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
- Exterior Lighting — headlights · 99V356000Driver visibility may be impaired increasing the risk of a crash.
- Steering · 08E063000If the weld fails, loss of steering could result, possibly resulting in a vehicle crash.
- Steering · 09E005000A broken steering knuckle could result in loss of steering control and a possible crash without warn.
- Exterior Lighting — headlights · 04V375000Less illumination may reduce the ability of the driver to read overhead signs when driving at night.
- Engine And Engine Cooling · 09V116000If the manifold is hot enough and the oil runs below the heat shield, it may ignite into a small fla.
Owners have filed 301 complaints and Buick has issued 89 technical service bulletins for the 1999 Regal. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1999 Regal manual
Is this manual specific to the 1999 Regal?
Yes. It is the OEM manual matched to the 1999 model year, covering the 3.8L V6 and 3.8L V6 across the GS Sedan 4-Door, LS Sedan 4-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1999 Regal problems does it help with?
6 recalls are on federal record for the 1999 Regal, covering engine and engine cooling, exterior lighting, steering. 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 1999 Regal wiring diagrams?
Yes — the complete wiring diagrams for the 1999 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 Regal years and 1999 Buick models
2004 Regal · 2003 Regal · 2002 Regal · 2001 Regal · 2000 Regal · 1998 Regal · 1997 Regal · 1996 Regal · 1995 Regal · 1994 Regal · 1993 Regal · all 30 years
1999 Buick Century · 1999 Buick LeSabre · 1999 Buick Park Avenue · 1999 Buick Riviera · every 1999 model