Thermostat Torque Specs

for 1990 GMC Sierra 2500 7.4L V8 454 · 4WD

Units

2 fasteners

Seq

Component

Torque

Angle

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Coolant Temperature Sensor

Use thread sealant

15 lb-ft · 20 Nm

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Thermostat Housing Bolts

11 lb-ft · 15 Nm

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