Dodge Nitro. Manual — part 113

2. Install the crankshaft (4) to cylinder block (7). See Fig. 183

Fig. 184: Installing Thrust Washer
Courtesy of CHRYSLER LLC

1 - MAIN CAPS
2 - BOLTS
3 - MAIN BEARING-LOWER
4 - CRANKSHAFT
5 - THRUST WASHERS
6 - MAIN BEARING-UPPER
7 - ENGINE BLOCK

NOTE:

Care must be taken not to damage the journals or bearings during
crankshaft installation.

1 -
FRONT
THRUST
WASHER

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro

3. Move crankshaft forward to limit of travel. Lubricate and install the front thrust washer (1) by rolling the

washer (1) onto the machined shelf between the No. 2 upper main bulk head and crankshaft thrust
surface. See Fig. 184.

4. Move crankshaft rearward to limit of travel. Lubricate and install the rear thrust washer by rolling the

washer onto the machined shelf between the No. 2 upper main bulk head and crankshaft thrust surface.
See Fig. 184.

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro

Fig. 185: Main Caps, Bolts, Main Bearing-Lower, Crankshaft, Thrust Washers, Main Bearing-
Upper & Engine Block
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro

5. Install lower main bearings (3) into main bearing caps (1). See Fig. 185.

6. Lubricate lower main bearings (3) with clean engine oil.

7. Install each main cap (1) and tighten bolts finger tight.

The main bearing cap bolts (2) must be tightened in the proper sequence. First the inner main cap bolts
(2), secondly the windage tray bolts, lastly the main cap tie (horizontal) bolts (6).

8. Install the inside main bearing cap bolts (2) and tighten to 20 N.m + 1/4 turn (15 ft. lbs. + 1/4 turn).

9. Measure crankshaft end play. Refer to CRANKSHAFT MAIN BEARING JOURNALS.

10. Install connecting rods and measure side clearance. See STANDARD PROCEDURE.

11. Install windage tray. Lubricate bolts with engine oil and tighten to 27 N.m + 1/4 turn (20 ft. lbs. + 1/4

turn).

1 - MAIN CAPS
2 - BOLTS
3 - MAIN BEARING-LOWER
4 - CRANKSHAFT
5 - THRUST WASHERS
6 - MAIN BEARING-UPPER
7 - ENGINE BLOCK

NOTE:

Lubricate main bearing cap bolts (2) with engine oil before installation.

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro