Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AROH
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): VALVE BODY ASSEMBLY: REMOVAL; 2019 - 2022 MY Avalon [04/2018 -        ]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transmission valve body assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
  • Transmission valve body assembly
  • Solenoid (SL1, SL2, SL3, SL4, SL5 and/or SL6) valve
  • Perform reset memory
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION for Initialization

2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION for Registration

PROCEDURE

1. REMOVE TRANSMISSION WIRE

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): TRANSMISSION WIRE: REMOVAL

2. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Disengage the clamp to disconnect the transmission revolution sensor (NC) wire connector.

(b) Remove the 9 bolts and transmission valve body assembly from the automatic transaxle case sub-assembly.

(c) Remove the 2 transaxle case gaskets from the automatic transaxle case sub-assembly.

*1

Transaxle Case Gasket

*2

No. 1 Front Oil Pump Cover Gasket

*3

No. 2 Front Oil Pump Cover Gasket

(d) Remove the transaxle case gasket from the counter drive gear sub-assembly.

(e) Remove the No. 1 front oil pump cover gasket from the front oil pump assembly.

(f) Remove the No. 2 front oil pump cover gasket from the front oil pump assembly.