Three problems related to engine oil leaking have been reported for the 2007 Buick Lucerne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Buick Lucerne based on all problems reported for the 2007 Lucerne.
Severe engine oil leakage at 80,000 miles severe rear main seal leakage at 80,000 miles.
Oil leak from faulty seals.
67k, power steering leaking, difficulty to steer; 72k, engine torque strut mounts torn, vibrates when moving; 77k, engine oil leaking, valve cover gasket, stationary; 77k, engine oil leaking, front timing chain cover gasket, stationary; 78k, hard to start crank sensor, stationary; 79k, wont start, starter motor, stationary; 79k, trunk leaking when rains, tail light panel seams and internal bumper seam holes, spare tire wheel well filled with water, stationary; engine oil leaks, gaskets, and engine mounts, most likely related; all issues are poor engineering, design, or workmanship!.