The service and repair manual for the 1999 GMC Sonoma — 2.2L I4 and 4.3L V6 engines, 7 trims. Matched to this exact model year, so the specifications and sequences are the ones GMC published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1999 |
|---|---|
| Engines | 2.2L I4 — 134 cu in, OHV 4.3L V6 — OHV |
| Trims | SLE Extended Cab Pickup 3-Door · SLS Extended Cab Pickup 3-Door · SLS Extended Cab Pickup 2-Door · SLE Extended Cab Pickup 2-Door · SL Standard Cab Pickup 2-Door · SLS Standard Cab Pickup 2-Door +1 |
| Federal record | 1 recall · 78 complaints · 71 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1999 Sonoma manual
03 / ContentsSections in the manual
- Quick Lookups 96
- General Information 1,754
- Accessories & Equipment 648
- Heating, Ventilation & A/C (HVAC) 305
- Body & Frame 288
- Maintenance 46
- Brakes 344
- Restraints 159
- Drivelines & Axles 102
- Steering 125
- Electrical 240
- Suspension 85
- Engine Mechanical 196
- Transmission 206
- Engine Performance 10,329
- Axle Nut/Hub Nut 103
- Radiator Cap Pressure 15
04 / Known issuesRecalls on federal record for the 1999 Sonoma
- Fuel System, Other — storage › tank assembly › pressure relief devices · 07E021000Fuel may leak, possibly resulting in a fire.
Owners have filed 78 complaints and GMC has issued 71 technical service bulletins for the 1999 Sonoma. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1999 Sonoma manual
Is this manual specific to the 1999 Sonoma?
Yes. It is the OEM manual matched to the 1999 model year, covering the 2.2L I4 and 4.3L V6 across the SLE Extended Cab Pickup 3-Door, SLS Extended Cab Pickup 3-Door, SLS Extended Cab Pickup 2-Door, SLE Extended Cab Pickup 2-Door, SL Standard Cab Pickup 2-Door, SLS Standard Cab Pickup 2-Door, SLE Standard Cab Pickup 2-Door trims. Specifications and procedure sequences are the ones GMC published for this year.
What 1999 Sonoma problems does it help with?
1 recall is on federal record for the 1999 Sonoma, covering fuel system, other. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by GMC dealers.
Does it include 1999 Sonoma 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 Sonoma years and 1999 GMC models
2004 Sonoma · 2003 Sonoma · 2002 Sonoma · 2001 Sonoma · 2000 Sonoma · 1998 Sonoma · 1997 Sonoma · 1996 Sonoma · 1995 Sonoma · 1994 Sonoma · 1993 Sonoma · all 14 years
1999 GMC B7 · 1999 GMC C1500 · 1999 GMC C1500 Suburban · 1999 GMC C2500 · 1999 GMC C2500 Suburban · 1999 GMC C3500 · 1999 GMC C3500HD · 1999 GMC C6500 Topkick · 1999 GMC C7500 Topkick · 1999 GMC Jimmy · 1999 GMC K1500 · 1999 GMC K1500 Suburban · every 1999 model