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Buick LaCrosse Engine Problems

202 TrueDelta members own (or used to own) a 2000 or newer Buick LaCrosse. 17 of these members (8.4%) have reported engine repairs for their car. A total of 23 engine repairs to Buick LaCrosses--an average of 0.1 per vehicle--have been reported.

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Buick LaCrosse problems occur, check out our car reliability stats.

Chart based on 190 repairs.
Non-members can see only ten Buick LaCrosse repair histories. Log in or join us to see them all.

2011 Buick LaCrosse 4dr Sedan

280-horsepower 3.6L V6 6-speed shiftable automatic FWD

14000 mi   Carbon deposits on valves.. Check engine light came on. One cylinder lost some compression. The engine valves had to be cleaned and one spark plug replaced. 
97000 US $309 Engine overheating, fluid noted under front of car, water pump discovered to be nonfunctioning. Oil leak discovered and repaired Timing belt noted to be defective and was replaced 
15500   Leaking (minor) seal/front engine cover. Repaired under warrantee. Just brought vehicle back same day picked up. Tech says leaking where shaft enters. The 3.6 uses a gasket and liquid sealent. Hopefully, this is where gasket is as that is easier to determine if fixed. 
27000   Minor oil leak from main seal. 
1000   Car sometimes will not start 
4800   Fuel pump module of engine computer failed. 
6300   Car would hesitate before downshifting when accelerator was pushed down sharply for passing. 

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2010 Buick LaCrosse

Engine not specified

25000 mi   there was a crack in the coolant container-replaced 

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2010 Buick LaCrosse 4dr Sedan

280-horsepower 3.6L V6 6-speed shiftable automatic FWD

10000 mi   Clicking noise when heater is in mode one fan speed. Solenoid valve on evaporative emission system was rubbing near the heater area, and dealer replaced same,and repositioned line. Fixed problem. 
5700   reflash tranny and nav system and battery drawdown 
22000   Injector #5 stuck open dumping raw fuel into engine. Replaced injector and catalytic converter 

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2010 Buick LaCrosse 4dr Sedan

255-horsepower 3.0L V6 6-speed shiftable automatic FWD

9920 mi   Engine was overheating due to a leak in water pump 
26500   Engine light remained on. Contacted OnStar they advised me it was an emissions issue. Took it to the dealer. A part was replaced, and they also took care of a recall issue, that I was not aware of. Car was in the shop for a day.  

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