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Buick LaCrosse repairs by problem area

Engine (15%)

Transmission and Drivetrain (4%)

Brakes and Traction Control (6%)

Suspension and Steering (13%)

Electrical and Air Conditioning (41%)

Paint, Rust, Leaks, Rattles, and Trim (12%)

Other (9%)

Chart based on 222 repairs.

Buick LaCrosse engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (17%)

$500 - $999 (33%)

$100 - $499 (33%)

< $100 (17%)

Chart based on 6 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
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 mi

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 
143000 mi

US $600
Water pump blew out while driving on expressway 
175000 mi

US $100
Vehicle was overheating, discovered thermostat housing was broken allowing thermostat to flap around inside the housing and ruining the thermostat 
15500 mi 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 mi Minor oil leak from main seal. 
1000 mi Car sometimes will not start 
4800 mi Fuel pump module of engine computer failed. 
6300 mi 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 mi reflash tranny and nav system and battery drawdown 
22000 mi 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 mi 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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Buick LaCrosse Engine Problems

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.