1997-2004 Chevrolet Corvette C5 Flexplate Torque Specs

5.7L V8 LS1

Applies to 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004 Chevrolet Corvette C5

Labor Time:5 hours

Torque Values (14 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	22	16	—
Cover Bolts	22	16	—
Electrical Connector Bolts	9	7	—
⚠️ Flexplate Bolts	85	63	Automatic transmissions \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Flywheel/Flexplate Bolts	20	15	Step 1: 15 lb-ft. Step 2: 37 lb-ft. Step 3: 74 lb-ft. Thread locker required.
⚠️ Gasket Bolts	27	20	—
⚠️ Gasket Surface Bolts	27	20	Clean mating surfaces
Mounting Bolts	37	27	—
⚠️ Mounting Bolts	64	47	—
⚠️ Mounting Bolts	64	47	—
Sensor Bolts	15	11	—
Sensor Mounting Bolts	15	11	—
⚠️ Torque Converter Bolts	50	37	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Transmission-to-Engine Bolts	55	41	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

The primary torque specification for flexplate on a 1997-2004 Chevrolet Corvette C5 is 22 Nm (16 lb-ft).

There are 14 torque specifications for flexplate on the 1997-2004 Chevrolet Corvette C5 5.7L V8 LS1, covering all related fasteners and components.