Silverado 1500 2WD V6-4.3L (2007)
Transmission Pressure Test Port: Service and Repair
Allison - Automatic Transmission
Automatic Transmission Fluid Pressure Test Hole Plug Replacement
Removal Procedure
1. Remove the pressure tap plug (2) and O-ring (1) on the bottom of the converter housing near the transmission external oil filter.
2. Remove the O-ring from the plug and discard it.
Installation Procedure
1. Install a new O-ring (1) on the pressure tap plug (2).
Notice: Refer to Fastener Notice.
