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.
Service Intervals
Check transmission fluid level at each engine oil change. At 50,000 miles, change the automatic transmission fluid and the filter if the vehicle's GVWR exceeds 8600 lbs. or if the vehicle is mainly driven under one or more of the following conditions: In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher, in hilly or mountainous terrain, when frequently towing a trailer or used as a taxi, police or delivery service vehicle. If the vehicle is not used under any of these conditions, change the fluid and filter at 100,000 miles.
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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.