Please see T-SB-0103-21
Applicability:
2020-2022 Highlander Hybrid
Introduction:
Some 2020 – 2022 model year Highlander Hybrid vehicle customers may express a concern of engine noise on acceleration from 0 – 45 mph. Follow the Repair Procedure in this bulletin to address this condition.
Warranty Information:
Replace the Rear Engine Mount Insulator
APPLICABLE WARRANTY:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle’s in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin.
Repair Procedure
1. Does the vehicle customer express a concern of engine noise on acceleration from 0 – 45 mph?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
2. Check ALL other components that may contribute to the customer perceived engine noise, including but not limited to the following:
* Intake system.
* High pressure fuel pump.
* Exhaust system.
* All motor and transmission mounts.
* Tires.
* Insulation material (undercarriage, firewall, hood, etc.).
Have ALL other components that may contribute to a customer perceived engine noise been checked and has it been determined they do NOT contribute to the customer perceived engine noise?
YES — Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
3. Remove the rear engine mount.
4. Install the NEW updated rear engine mount.
5. Confirm the condition has been improved.
Applicability:
2020-2022 Highlander Hybrid
Introduction:
Some 2020 – 2022 model year Highlander Hybrid vehicle customers may express a concern of engine noise on acceleration from 0 – 45 mph. Follow the Repair Procedure in this bulletin to address this condition.
Warranty Information:
Replace the Rear Engine Mount Insulator
APPLICABLE WARRANTY:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle’s in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin.
Repair Procedure
1. Does the vehicle customer express a concern of engine noise on acceleration from 0 – 45 mph?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
2. Check ALL other components that may contribute to the customer perceived engine noise, including but not limited to the following:
* Intake system.
* High pressure fuel pump.
* Exhaust system.
* All motor and transmission mounts.
* Tires.
* Insulation material (undercarriage, firewall, hood, etc.).
Have ALL other components that may contribute to a customer perceived engine noise been checked and has it been determined they do NOT contribute to the customer perceived engine noise?
YES — Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
3. Remove the rear engine mount.
4. Install the NEW updated rear engine mount.
5. Confirm the condition has been improved.