Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000Z297
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: HEATING / AIR CONDITIONING: PTC HEATER ASSEMBLY: REMOVAL; 2017 - 2020 MY Sienna [08/2016 -        ]

REMOVAL

PROCEDURE

1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY

Click here 2016 - 2017 MY Sienna [12/2015 - 11/2017]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL 2018 - 2020 MY Sienna [11/2017 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL

2. REMOVE NO. 5 INSTRUMENT PANEL BRACKET

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: FRONT AIR CONDITIONING UNIT: REMOVAL+

3. REMOVE TELEVISION BRACKET

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: FRONT AIR CONDITIONING UNIT: REMOVAL+

4. REMOVE NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: FRONT AIR CONDITIONING UNIT: REMOVAL+

5. REMOVE NO. 4 AIR DUCT SUB-ASSEMBLY

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; HEATING / AIR CONDITIONING: BLOWER UNIT: DISASSEMBLY+

6. REMOVE PTC HEATER ASSEMBLY

(a) Disconnect the 2 connectors.

(b) Disengage the 3 clamps.

(c) Remove the screw.

(d) Disengage the 3 guides to separate the connector cover.

(e) Disengage the 3 claws and clamp to remove the cover plate.

(f) Using a screwdriver with its tip wrapped in protective tape, disengage the 2 claws to disconnect the 2 connectors.

*a

Protective Tape

(g) Remove the 2 screws and PTC heater assembly.