Chevrolet Silverado / GMC Sierra. Manual - part 874
Fig. 119: View Of Transmission Oil Cooler Lines At Transmission
Courtesy of GENERAL MOTORS CORP.
26. Disconnect the transmission oil cooler lines (1, 2) from the transmission.
27. Plug the transmission oil cooler line fittings in the transmission case, if necessary.
28. If the vehicle is equipped with a power take off (PTO) unit, disconnect and/or remove any
necessary components to facilitate transmission removal.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 120: View Of Fill Tube To Bellhousing Nuts
Courtesy of GENERAL MOTORS CORP.
29. Remove the transmission fill tube nuts from the converter housing studs.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 121: Wire Harness/Vent Tube Bracket Nut & Converter Housing Stud
Courtesy of GENERAL MOTORS CORP.
30. Remove the wire harness/vent tube bracket nut from the converter housing stud and
reposition the bracket.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 122: View of Transmission To Engine Stud & Bolts
Courtesy of GENERAL MOTORS CORP.
31. Remove the remaining converter housing bolts and studs.
32. Separate the transmission from the engine.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado