GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1997
🢒
Yukon - 4WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L60-E
🢒 Reaction Sun Gear and Shell Installation
Important:
Do not remove the retaining ring, except to replace it.
Inspect the reaction sun gear for the following defects:
•
Nicks
•
Scores
•
Damaged spline or teeth
•
A worn bushing
•
A loose or weak retaining ring
Remove the reaction sun bushing, if a bushing replacement is needed.
Install a reaction sun bushing.
Install the reaction sun gear into the reaction carrier.
Install the thrust washer.
Install the reaction sun shell into the reaction sun gear.
Install the reaction sun gear shell thrust washer into the reaction sun shell.
Index the tangs onto the thrust washer and into the reaction sun shell.