GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
TrailBlazer - 4WD
🢒
Engine
🢒
Engine Mechanical - 4.2L
🢒 Draining Fluids and Oil Filter Removal
Remove the oil pan drain plug.
Drain the engine oil.
Remove the oil filter.