3L80/3L80HD (400/475) Automatic Transmission

FASTENER TORQUE SPECIFICATIONS
Filter to Valve Body Screw 8-14 Nm (6-10 lbs. ft.)
Solenoid to Case Screw 5-14 Nm (4-10 lbs. ft.)
Control Valve Assembly to Case Screw 8-14 Nm (6-10 lbs. ft.)
Oil Test Hole Plug 7-14 Nm (5-10 lbs. ft.)
Flywheel Housing Cover to Transmission Bolt 5-8 Nm (4-6 lbs. ft.)
Pump Body to Cover Screw 20-27 Nm (15-20 lbs. ft.)
Pump Assembly to Case Screw 20-27 Nm (15-20 lbs. ft.)
Rear Servo Cover to Case Screw 20-27 Nm (15-20 lbs. ft.)
Governor Cover to Case 11-16 Nm (8-12 lbs. ft.)
Parking Pawl Bracket to Case Bolt 20-27 Nm (15-20 lbs. ft.)
Vacuum Modulator Retainer to Case Screw 20-27 Nm (15-20 lbs. ft.)
Speedometer Driven Gear Retainer to Case Screw 5-8 Nm (4-6 lbs. ft.)
Oil Pan to Case Bolt 8-14 Nm (6-10 lbs. ft.)
Case Extension to Case Bolt 27-34 Nm (20-25 lbs. ft.)
Shift Lever to Transmission Nut 20-27 Nm (15-20 lbs. ft.)
Manual Shaft to Manual Shaft Nut 20-27 Nm (15-20 lbs. ft.)
Case to Center Support Screw 27-34 Nm (20-25 lbs. ft.)
Flywheel to Converter Bolt 41-47 Nm (30-35 lbs. ft.)
Flywheel to Crankshaft Bolts 100 Nm (75 lbs. ft.)
Transmission Case to Engine Bolt 41-47 Nm (30-35 lbs. ft.)
Cooler Line Fittings 35-41 Nm (26-30 lbs. ft.)
Cooler Pipe Connector at Case 35-41 Nm (26-30 lbs. ft.)
Engine Rear Mount to Transmission Bolt 41-47 Nm (30-35 lbs. ft.)
Engine Rear Support Bracket to Frame Unit 41-47 Nm (30-35 lbs. ft.)
Switch Assembly 3-5 Nm (2-3.5 lbs. ft.)