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Chevrolet Silverado / GMC Sierra. Manual - part 1149
If the end play measurement is incorrect, refer to the table End Play Specifications .
Choose a new selective washer (616) based on the original selective washer and the
information contained in the table.
If the dial indicator shows no end play, the selective washer (616) and thrust bearing (615)
may have been misassembled.
9. Correct the end play by changing the selective washer (616).
CONVERTER HOUSING INSTALLATION
Tools Required
J 41510 T-50 Plus Bit. See Special Tools.
Installation
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 462: View Of Oil Pump Seal, Converter Housing & Bolts
Courtesy of GENERAL MOTORS CORP.
IMPORTANT:
Ensure the converter housing and case face are clean
before installing a new pump seal.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
1. Install the oil pump seal (5). Seat oil pump seal (5) by hand, between pump body and case.
Ensure the seal is evenly seated.
2. Install the converter housing (102).
3. Using the J 41510 , install the converter housing bolts (94) to the transmission case. See
Special Tools.
Tighten:
Tighten converter housing bolts evenly in a star pattern sequence.
Tighten the converter housing bolts (94) to 65-75 N.m (48-55 lb ft).
TURBINE SHAFT O-RING INSTALLATION
When installing a new oil pump seal (5), the seal will
protrude slightly above the case surface. The oil pump
seal is a wedge design that will conform to the surfaces
between the oil pump body and the transmission case as
the converter housing (102) is installed.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 463: Identifying Turbine Shaft O-Ring
Courtesy of GENERAL MOTORS CORP.
Install the O-ring (618) on the turbine shaft. O-Ring location is location dependent.
CONTROL VALVE BODY DISASSEMBLE
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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