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 MANUALSTOYOTA2025HIGHLANDER LIMITED, FWDREPAIR AND DIAGNOSISGENERAL INFORMATIONENGINE PERFORMANCEMAP - ENGINE PERFORMANCE & MAINTENANCEENGINE PERFORMANCE AND MAINTENANCEENGINE OIL CANISTERS
2025 Toyota Highlander Limited, FWD
Engine Oil Canisters
2025 Toyota Highlander Limited, FWDSECTION Engine Oil Canisters
| Condition | Code | Procedure |
|---|---|---|
| At or beyond service interval | 3 | Suggest replacement to comply with vehicle's OEM recommended service intervals |
| Bulged | A | Require replacement. Further inspection required |
|
NOTE:
Inspect pressure relief valve.
|
||
| Canister attaching hardware broken | A | Require repair or replacement of hardware |
| Canister attaching hardware loose | A | Require repair |
| Canister attaching hardware missing | C | Require replacement |
| Canister attaching hardware not functioning | A | Require repair or replacement of hardware |
| Center tube collapsed | A | Require replacement. Further inspection required |
|
NOTE:
Inspect bypass.
|
||
| Dented | 2 | Suggest replacement. Further inspection required |
|
NOTE:
Determine cause, such as broken motor mount.
|
||
| Leaking | B | Require repair or replacement |
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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.