Sierra Classic 2500 4WD V8-6.0L (2007)
12. Remove and discard the filter seal. The filter seal may be stuck in the pump; if necessary, carefully use pliers or another suitable tool to remove the
seal.
13. Inspect the fluid color.
14. Inspect the filter. Pry the metal crimping away from the top of the filter and pull apart. The filter may contain the following evidence for root cause
diagnosis:
^
Clutch material
^
Bronze slivers indicating bushing wear
^
Steel particles
15. Clean the transmission case and the oil pan gasket surfaces with solvent, and air dry. You must remove all traces of the old gasket material.
Installation Procedure
1. Coat the NEW filter seal with automatic transmission fluid.
2. Install the NEW filter seal into the transmission case. Tap the seal into place using a suitable size socket.
3. Install the NEW filter.
4. Install the oil pan and NEW gasket.
