What is the torque spec for the drain plug on a 2018 Toyota Tundra?
The drain plug on the 2018 Toyota Tundra’s oil pan should be torqued to 29 ft-lbs (39 Nm), typically with a new sealing washer as specified by Toyota for the 5.7-liter i-Force V8 engine.
Official torque specification
For the 2018 Tundra equipped with the 5.7L i-Force V8, the factory torque specification for the oil pan drain plug is 29 ft-lbs (39 Nm). A sealing washer or copper crush washer is commonly used and should be replaced if required by the service procedure. Always confirm against the vehicle’s service manual or Toyota tech info for your exact VIN, as there can be minor variations in production or advisories.
How to apply the torque safely
Before tightening, ensure the plug and mating surfaces are clean and that any required washer is in place. Use a calibrated torque wrench to avoid under- or over-tightening, which can lead to leaks or damaged threads. The following steps outline the standard procedure.
Before applying the torque, read the list below to understand the sequence and ensure a proper seal.
- Warm up the engine briefly, then turn it off and allow the oil to pool in the pan.
- Position a suitable drain pan under the oil pan and remove the drain plug to let oil drain completely.
- Clean the drain plug and the pan threads; inspect for damage and replace the sealing washer if the service requires it.
- Install the drain plug with a new washer (if required) and thread by hand to avoid cross-threading.
- Set your torque wrench to 39 Nm (29 ft-lbs) and tighten the drain plug to specification. Do not exceed the specified torque.
- Reinstall any removed components, refill with the correct amount of engine oil, start the engine, and check for leaks around the drain plug after a short run.
Conclusion: Adhering to the specified torque protects the oil pan threads and ensures a proper seal, which is essential for reliable oil changes on the 2018 Tundra.
Practical notes and caveats
If your truck uses a different drain plug arrangement (for example, a magnetic plug or a variant washer), double-check with Toyota’s official tech resources or a dealership service bulletin. VIN-specific instructions can occasionally vary, so consult the Toyota TechInfo Service (TIS) or your owner's manual for the exact guidance.
Summary
For the 2018 Toyota Tundra, tighten the oil drain plug to 29 ft-lbs (39 Nm) with a new sealing washer as required by the service procedure. Use a torque wrench, verify after running the engine, and monitor for leaks. Following the correct torque helps prevent leaks and protects engine longevity.
