Questions for General Motors
· Is it reasonable to spend $4,824 on repairs to a General Motors corporation vehicle within 33 months and 47,000 miles of its in-service date?
· Is it acceptable to the General Motors corporation that an engine that has had no misuse and that has been cared for properly should need to be replaced at 115,000 miles?
· Is it acceptable to the General Motors corporation that the cylinder heads in the Vortec LH6 5.3L V8 engine are only good for ~50,000 miles before needing to be completely R&R’d?
· Is it acceptable to the General Motors corporation that this engine consumes oil at a rate that seems excessive?
· What part does this oil consumption play in the problems exhibited with the cylinder heads?
· What part does the Active Fuel Management (Displacement on Demand) play in this issue?
· Is it acceptable that many, many others that have vehicles with this engine (or perhaps variations thereof) have experienced the very similar problems?
· Exactly how many others have experienced similar issues with this engine?
· If the problems do stem from ethanol fuel blends as suggested by the dealership, is it acceptable for the General Motors corporation to design and mass produce an engine that does not work well with fuel blends that are readily available and ‘accepted’?
· Is it acceptable to the General Motors corporation that an engine that has had no misuse and that has been cared for properly should need to be replaced at 115,000 miles?
· Is it acceptable to the General Motors corporation that the cylinder heads in the Vortec LH6 5.3L V8 engine are only good for ~50,000 miles before needing to be completely R&R’d?
· Is it acceptable to the General Motors corporation that this engine consumes oil at a rate that seems excessive?
· What part does this oil consumption play in the problems exhibited with the cylinder heads?
· What part does the Active Fuel Management (Displacement on Demand) play in this issue?
· Is it acceptable that many, many others that have vehicles with this engine (or perhaps variations thereof) have experienced the very similar problems?
· Exactly how many others have experienced similar issues with this engine?
· If the problems do stem from ethanol fuel blends as suggested by the dealership, is it acceptable for the General Motors corporation to design and mass produce an engine that does not work well with fuel blends that are readily available and ‘accepted’?