Yukon V8-350 5.7L (1992)
If clutch debris is found, it is also very important to inspect the Pressure Control (PC) solenoid valve (377) fluid screens. Clean or replace the PC
solenoid (377) as necessary. It is also important to flush and flow check the transmission oil cooler using J45096. Refer to SI Automatic Transmission
Oil Cooler Flushing and Flow Test for the procedure.
The notches above each sprag must point up as shown when assembled into the outer race.
Bearing Assembly, Input Sun Gear
Snap Ring, Overrun Clutch Hub Retaining
Hub, Overrun Clutch
Wear Plate, Sprag Assembly
Retainer and Race Assembly, Sprag
Forward Sprag Assembly
Retainer Rings, Sprag Assembly
Outer Race, Forward Clutch
Washer, Thrust (Input Carrier to Race)
The following information applies when this sprag is used in 1982-86 transmissions.
The new design sprag can be used on models 1982 through 1986, by replacing the entire assembly (637 - 644). Individual components are NOT
