GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Avalanche - 2WD
🢒
Engine
🢒
Engine Mechanical - 8.1L
🢒 Draining Fluids and Oil Filter Removal
Remove the oil pan drain plug (401).
Drain the engine oil.
Remove the oil filter (435).
Remove the left side engine block coolant drain hole plug (131) and the right side engine block coolant drain hole plug.
Drain the engine coolant.