Knock Sensor Torque Specifications

2015-2020 GMC Yukon 5.3L V8

Labor Time:2.5 hours

Torque Values (16 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	20	15	—
Cover Bolts	20	15	—
⚠️ Gasket Bolts	25	19	—
Gasket Bolts	25	19	—
⚠️ Knock Sensor	20	15	Torque critical for function
Knock Sensor	20	15	Torque critical for function
⚠️ Knock Sensors (Side)	25	18	Gen 4 (on block sides).
Knock Sensors (Side)	25	18	Gen 4 (on block sides).
⚠️ Knock Sensors (Valley)	20	15	Gen 3 (in valley): Do not overtighten or sensor will be deaf.
Knock Sensors (Valley)	20	15	Gen 3 (in valley): Do not overtighten or sensor will be deaf.
Mounting Bolts	59	44	—
⚠️ Mounting Bolts	59	44	—
Mounting Bolts	34	25	—
Mounting Bolts	34	25	—
Sensor Bolts	14	10	—
Sensor Bolts	14	10	—

The primary torque specification for knock sensor on a 2015-2020 GMC Yukon is 20 Nm (15 lb-ft).

There are 16 torque specifications for knock sensor on the 2015-2020 GMC Yukon 5.3L V8, covering all related fasteners and components.