System Specifications

4.0L ENGINE

General Description:

Cylinder Block:

Pistons:

Piston Pins:

Piston Rings:

Piston Ring Side Clearance:

Piston Ring Width:

Connecting Rods:

Crankshaft Main Bearing Journals:

Connecting Rod Journals:

Oil Pump:

Oil Pressure:

SPECIFICATIONS - TORQUE









Main Bearing Caps

The main bearing cap bolts must be tightened in the proper sequence. First the inner main cap bolts, secondly the windage tray bolts, lastly the main cap tie (horizontal) bolts.
Install each main bearing cap and tighten inner bolts finger tight.
Tighten inner main bearing cap bolts to 20 Nm + 1/4 turn (15 ft. lbs. + 1/4 turn).
Measure crankshaft end play.Procedures
Install windage tray. Lubricate bolts with engine oil and tighten to 27 Nm + 1/4 turn (20 ft. lbs. + 1/4 turn).
Install the main cap tie (horizontal) bolts and tighten to 28 Nm (250 in. lbs.).