The service and repair manual for the 2009 Buick LaCrosse — 3.8L V6 and 5.3L V8 engines, 3 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 | 2009 |
|---|---|
| Engines | 3.8L V6 — 232 cu in, OHV 5.3L V8 — 325 cu in, OHV |
| Trims | CXL Sedan 4-Door · CX Sedan 4-Door · Super Sedan 4-Door |
| Federal record | 2 recalls · 146 complaints · 335 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2009 LaCrosse manual
03 / ContentsSections in the manual
- Quick Lookups 504
- General Information 1,795
- Accessories & Equipment 3,569
- Heating, Ventilation & A/C (HVAC) 380
- Body & Frame 1,219
- Brakes 757
- Restraints 395
- Drivelines & Axles 24
- Steering 239
- Electrical 2,732
- Suspension 210
- Engine Mechanical 734
- Transmission 1,244
- Engine Performance 2,402
- New Nut) 118
04 / Known issuesRecalls on federal record for the 2009 LaCrosse
- Electrical System — ignition · 14V355000If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a c.
- Exterior Lighting — headlights · 15V519000Headlamps that do not illuminate reduce the driver's ability to see the roadway and reduce the vehic.
Owners have filed 146 complaints and Buick has issued 335 technical service bulletins for the 2009 LaCrosse. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2009 LaCrosse manual
Is this manual specific to the 2009 LaCrosse?
Yes. It is the OEM manual matched to the 2009 model year, covering the 3.8L V6 and 5.3L V8 across the CXL Sedan 4-Door, CX Sedan 4-Door, Super Sedan 4-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 2009 LaCrosse problems does it help with?
2 recalls are on federal record for the 2009 LaCrosse, covering electrical system, exterior lighting. 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 2009 LaCrosse wiring diagrams?
Yes — the complete wiring diagrams for the 2009 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 LaCrosse years and 2009 Buick models
2015 LaCrosse · 2014 LaCrosse · 2013 LaCrosse · 2012 LaCrosse · 2011 LaCrosse · 2010 LaCrosse · 2008 LaCrosse · 2007 LaCrosse · 2006 LaCrosse · 2005 LaCrosse · all 15 years
2009 Buick Allure · 2009 Buick Enclave · 2009 Buick Lucerne · 2009 Buick Regal · every 2009 model