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 PLATINUMREPAIR AND DIAGNOSISGENERAL INFORMATIONENGINEENGINE OVERHAUL PROCEDURES - GENERAL INFORMATIONCYLINDER HEAD OVERHAULVALVE GUIDEREAMING VALVE GUIDE
2025 Toyota Highlander Platinum
Reaming Valve Guide
2025 Toyota Highlander PlatinumSECTION Reaming Valve Guide
Select proper reamer for size of valve stem. Reamer must be of proper length to provide clean cut through entire length of valve guide. Install reamer in valve guide and rotate to cut valve guide. See Fig 1.
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.