Dodge Nitro. Manual — part 132

5. Pre-torque the horizontal rear oil pan to transmission bolts to 1.4 N.m (12 in. lbs.).

6. First tighten the M8 (1) oil pan alignment bolt to 28N.m (250 lbs. in.), then tighten bolt (2) to 28N.m (250

lbs. in.). See Fig. 256.

7. Tighten the remaining M8 bolts and M8 nuts to 28 N.m (250 in. lbs.), and the M6 bolts to 12 N.m (105 in.

lbs.). See Fig. 256.

8. Tighten the four M10 oil pan to transmission bolts to 55 N.m (40 ft.lbs.).

9. Lower the engine and remove the lifting fixture. Tighten the engine mount to cradle fasteners to 75 N.m

(55 lbs. ft.).

Fig. 257: Flex Plate Inspection Cover & Fastener
Courtesy of CHRYSLER LLC

10. Install the flex plate inspection cover (1) and tighten the fastener (2) to 11 N.m (97 in. lbs.). See Fig. 257.

11. Install the oil cooler (align the oil cooler notch to oil pan tab (Refer to INSTALLATION ).

12. Install the engine oil filter. Tighten filter to 12 N.m (106 in. lbs.).

13. Fill engine crankcase with proper oil to correct level.

14. Connect negative battery cable.

SWITCH-OIL PRESSURE SENSOR

REMOVAL

SWITCH-OIL PRESSURE SENSOR

1. Raise vehicle on hoist.

2. Position an oil collecting container under switch location.

3. Disconnect electrical connector.

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro

4. Unscrew oil pressure switch.

INSTALLATION

SWITCH-OIL PRESSURE SENSOR

1. Apply Mopar® Thread Sealant to the switch threads.

2. Install oil pressure switch to fitting.

3. Connect electrical connector.

4. Lower vehicle.

5. Start engine and check for leaks.

6. Check engine oil level and adjust as necessary.

PUMP - OIL

REMOVAL

PUMP-OIL

Fig. 258: Oil Pump & Gasket
Courtesy of CHRYSLER LLC

1 - OIL PUMP
2 - GASKET

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro

1. Drain the cooling system. Refer to STANDARD PROCEDURE .

2. Remove the timing belt. See REMOVAL.

3. Remove the crankshaft sprocket. See REMOVAL.

4. Remove the oil pan. See REMOVAL.

Fig. 259: Oil Pick Up Tube With Strainer, Bolt, O-Ring, Oil Pump & Windage Tray
Courtesy of CHRYSLER LLC

1 - OIL PICK UP TUBE WITH STRAINER
2 - BOLT
3 - O-RING
4 - OIL PUMP

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro

5. Remove the oil pickup tube. See Fig. 259.

Fig. 260: Crankshaft, Dowel, Gasket, Oil Pump, Front Crankshaft Seal, Crankshaft Gear & Pin
Courtesy of CHRYSLER LLC

5 - WINDAGE TRAY

1 - CRANKSHAFT
2 - DOWEL
3 - GASKET
4 - OIL PUMP
5 - FRONT CRANKSHAFT SEAL
6 - CRANKSHAFT GEAR
7 - PIN

2007 Dodge Nitro R/T

2007 ENGINE 4.0L - Service Information - Nitro