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 DIAGNOSISBODY AND FRAMEDESCRIPTION AND OPERATIONRUST RESISTANT
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Rust Resistant
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Rust Resistant
Rust-Resistant Body
1. General
Rust-resistant performance is enhanced by extensive use of anti-corrosion sheet steel, as well as by an anti-corrosion treatment which includes the application of wax, sealer and anti-chipping paint to easily corroded parts such as the hood, doors and rocker panels.
2. Anti-Corrosion Sheet Steel
Anti-corrosion sheet steel is used in all areas other than the roof and interior parts.
3. Wax and Sealer
Wax and sealer are applied to the hemmed portions of the hood, door panels and back door to improve rust protection.
4. Under Coat
Formed PVC (Polyvinyl Chloride) coating is applied to the under side of the body. A thick coating to improve rust resistant performance is applied to the front and rear wheel houses, the fender apron and other parts which are subject to damage by stone chipping.
5. Anti-Chipping Application
Anti-chipping paint and PVC chipping primer are applied to the lower door panel area, wheel arch and the rocker panel area to protect them from being damaged by stone chipping. In addition, soft-chip primer is applied to the hood.
1. General
Rust-resistant performance is enhanced by extensive use of anti-corrosion sheet steel, as well as by an anti-corrosion treatment which includes the application of wax, sealer and anti-chipping paint to easily corroded parts such as the hood, doors and rocker panels.
2. Anti-Corrosion Sheet Steel
Anti-corrosion sheet steel is used in all areas other than the roof and interior parts.
3. Wax and Sealer
Wax and sealer are applied to the hemmed portions of the hood, door panels and back door to improve rust protection.
4. Under Coat
Formed PVC (Polyvinyl Chloride) coating is applied to the under side of the body. A thick coating to improve rust resistant performance is applied to the front and rear wheel houses, the fender apron and other parts which are subject to damage by stone chipping.
5. Anti-Chipping Application
Anti-chipping paint and PVC chipping primer are applied to the lower door panel area, wheel arch and the rocker panel area to protect them from being damaged by stone chipping. In addition, soft-chip primer is applied to the hood.
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.