GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series (Conventional) C4/C5
🢒
Engine
🢒
Engine Controls - 8.1L
🢒 Upper Oil Pan Removal
Tools Required
J 37228
Seal Cutter
Remove the oil level indicator tube bracket bolt.
Remove the oil level indicator tube.
Remove the two oil pan to flywheel housing bolts (denoted by black triangles).
Remove the 24 upper oil pan bolts using a long bit 6 mm hex driver.
Seperate the upper oil pan from the engine block using
J 37228
.
Remove the upper oil pan.