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 DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETECHNICAL SERVICE BULLETINS
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Engine: Technical Service Bulletins
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Technical Service Bulletins
- Customer Interest
- By Symptom
- Customer Interest
- Electric Drive Motor
- Electric Drive Transmission
- Noise
- All Technical Service Bulletins
- Vehicle - Flood Damage Inspection And Handling
- Canada - Engine - Cylinder Head Bolt Threads Damaged
- Canada - Engine - Drive Belt Squeal/Tensioner Rattle
- Canada - Bolts - Standard Bolt Torque Specifications
- Engine - Cylinder Head Bolt Threads Damaged
- Vehicle - Long Term Storage Guidelines
- Engine - Serial Number Locations/Identification
- Valve Cover Oil Baffle - Damage Prevention
- Engine - Drive Belt Squeal/Tensioner Rattle
- Engine - MIL ON/DTC 1349 (VVTi Actuator) Set
- Canada - Valve Cover Oil Baffle - Damage Prevention
- Canada - Engine - MIL ON/DTC 1349 (VVTi Actuator) Set
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.