1990-1993 Cadillac DeVille Pistons - All Torque Specs

4.5L V8

Applies to 1990, 1991, 1992, and 1993 Cadillac DeVille

Labor Time:22 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
Cover Bolts	12	16	—
⚠️ Gasket Bolts	15	20	—
Mounting Bolts	20	27	—
⚠️ Mounting Bolts	35	47	—
Sensor Bolts	8	11	—

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for pistons - all on a 1990-1993 Cadillac DeVille is 16 Nm (12 lb-ft).

There are 5 torque specifications for pistons - all on the 1990-1993 Cadillac DeVille 4.5L V8, covering all related fasteners and components.