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Chevrolet Silverado / GMC Sierra. Manual - part 1041
Fig. 62: View Of Oil Pan & Gasket
Courtesy of GENERAL MOTORS CORP.
10. Remove the oil pan and the gasket.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 63: View Of A/T Filter
Courtesy of GENERAL MOTORS CORP.
11. Grasp firmly while pulling down with a twisting motion in order to remove the filter.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 64: A/T Filter Seal
Courtesy of GENERAL MOTORS CORP.
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.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
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
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
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