2001-2007 Toyota Highlander Spark Plug Service Torque Specs

2.4L I4

Applies to 2001, 2002, 2003, 2004, 2005, 2006, and 2007 Toyota Highlander

Labor Time:1.1 hours

Torque Values (16 specifications)

Component	Nm	lb-ft	Notes
Air Box Clips	5	4	—
Air Box Clips	5	4	—
Cover Screws	11	8	—
Cover Screws	11	8	—
Engine Cover Clips	3	2	—
Engine Cover Clips	3	2	—
Ignition Coil Bolt	11	8	—
Ignition Coil Bolt	11	8	—
Mounting Bolts	27	20	—
Mounting Bolts	27	20	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
Oil Drain Plug	35	26	Use new crush washer
Spark Plug	20	15	Gap before install
⚠️ Spark Plug	20	15	Gap before install
⚠️ Wheel Lug Nuts	140	103	Torque in star pattern
Wheel Lug Nuts	140	103	Torque in star pattern

The primary torque specification for spark plug service on a 2001-2007 Toyota Highlander is 5 Nm (4 lb-ft).

There are 16 torque specifications for spark plug service on the 2001-2007 Toyota Highlander 2.4L I4, covering all related fasteners and components.