2JZ GTE torque Specs
The Toyota 2JZ-GTE is a renowned 3.0L inline-six twin-turbocharged engine, celebrated for its strength and tuning potential. Accurate torque specifications are vital for maintenance and performance. Below is a detailed guide to the torque specs for various components of the 2JZ-GTE engine:
🔧 Cylinder Head and Valve Train
- Cylinder Head Bolts:
- Step 1: Tighten to 49 Nm (36 ft-lbf).
- Step 2: Tighten an additional 90°.
- Step 3: Tighten an additional 90°. (mahle-aftermarket.com)
- Camshaft Timing Pulley Bolt: 79 Nm (58 ft-lbf). (2jz.se)
- Cylinder Head Cover Bolts: 5.4 Nm (48 in-lbf). (2jz.se)
⚙️ Bottom End Components
- Main Bearing Cap Bolts:
- Step 1: Tighten to 45 Nm (33 ft-lbf).
- Step 2: Tighten an additional 90°.
- Connecting Rod Cap Bolts:
- Step 1: Tighten to 30 Nm (22 ft-lbf).
- Step 2: Tighten an additional 90°. (2jzgarage.com)
- Crankshaft Pulley Bolt: 324 Nm (239 ft-lbf). (2jz.se)
💧 Cooling and Oil System
- Water Pump Bolts: 21 Nm (15 ft-lbf). (toyota-supra.com)
- Oil Pump to Cylinder Block Bolts: 21 Nm (15 ft-lbf).
- Oil Pan Bolts:
- 12 mm Head: 21 Nm (15 ft-lbf).
- 14 mm Head: 39 Nm (29 ft-lbf).
- Oil Cooler to Oil Filter Bracket: 78 Nm (58 ft-lbf).
🔩 Intake, Exhaust, and Ignition
- Spark Plugs: 18 Nm (13 ft-lbf). (2jz.se)
- Ignition Coil Bracket to Cylinder Head: 8.8 Nm (78 in-lbf). (2jz.se)
- Camshaft Position Sensor to Cylinder Head: 8.8 Nm (78 in-lbf). (mahle-aftermarket.com)
- Crankshaft Position Sensor to Oil Pump: 8.8 Nm (78 in-lbf).
📘 Additional Resources
For a comprehensive list of torque specifications, you can refer to the following documents:
Always use a calibrated torque wrench and follow the manufacturer’s recommended tightening sequences to ensure proper assembly and engine longevity.
If you need torque specifications for specific components or further assistance, feel free to ask!