Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSENGINE - SERIAL NUMBER LOCATIONS/IDENTIFICATION
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Engine - Serial Number Locations/Identification
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Engine - Serial Number Locations/Identification
T-SB-0301-08
Rev1
September 19, 2008
Engine Serial Number Location
Service Category
Engine/Hybrid System
Section
Engine Mechanical
Market
USA

Applicability
TSB REVISION NOTICE
^ October 20, 2009 Rev1:
^ Applicability has been updated to include 2010 model year vehicles.
Any previous printed versions of this service bulletin should be discarded.
Introduction
The purpose of this TSB is to assist in the identification and location of engine serial numbers on 2000 - 2010 model year Toyota vehicles.
NOTE
When writing a Field Technical and/or Product Report the serial number of the engine MUST be provided.

Warranty Information













Identification Procedure
Rev1
September 19, 2008
Engine Serial Number Location
Service Category
Engine/Hybrid System
Section
Engine Mechanical
Market
USA
Applicability
TSB REVISION NOTICE
^ October 20, 2009 Rev1:
^ Applicability has been updated to include 2010 model year vehicles.
Any previous printed versions of this service bulletin should be discarded.
Introduction
The purpose of this TSB is to assist in the identification and location of engine serial numbers on 2000 - 2010 model year Toyota vehicles.
NOTE
When writing a Field Technical and/or Product Report the serial number of the engine MUST be provided.
Warranty Information
Identification Procedure
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.