Upper Oil Pan

UPPER






NOTE: WK oil pan shown, JK oil pan similar.

1. Clean the upper and lower oil pans, timing chain cover, rear seal retainer and engine block mating surfaces with isopropyl alcohol in preparation for sealant application.

CAUTION: Engine assembly requires the use of a unique sealant that is compatible with engine oil. Using a sealant other than Mopar(R) Threebond Engine RTV Sealant may result in engine fluid leakage.

CAUTION: Following the application of Mopar(R) Threebond Engine RTV Sealant to the gasket surfaces, the components must be assembled within 20 minutes and the attaching fasteners must be tightened to specification within 45 minutes. Prolonged exposure to the air prior to assembly may result in engine fluid leakage.

2. Apply a 2 to 3 mm wide bead of Mopar(R) Threebond Engine RTV Sealant to the upper oil pan as shown in the following locations:
- Oil pan to engine block flange (1)
- Two timing cover to engine block T-joints (2)
- Two rear seal retainer to engine block T-joints (3)





CAUTION: Make sure that the rear face of the oil pan is flush to the transmission bell housing before tightening any of the oil pan mounting bolts. A gap between the oil pan and the transmission could crack the oil pan or transmission casting.

3. Install the oil pan to the engine block and flush to the transmission bell housing. Secure the oil pan to the engine block with nineteen M8 oil pan mounting bolts (1) finger tight.





4. Install four transmission to the engine oil pan bolts (2 and 3) and tighten to 55 Nm (41 ft. lbs.).





5. Tighten the nineteen previously installed M8 oil pan mounting bolts (1) to 25 Nm (18 ft. lbs.).






NOTE: Shown with transmission removed for clarity.

6. Install two M6 bolts (1) to the rear oil seal retainer flange and tighten to 12 Nm (106 in. lbs.).





7. Install two rubber plugs (1) covering the rear oil seal retainer flange bolts.





8. Engage the transmission cooler line retainer (1) to the oil pan flange.





9. If removed, install the lower oil pan Engine Oil Pan - Installation.





10. Install the oil level indicator (1) with bolt (2) tightened to 12 Nm (106 in. lbs.).
11. Install the right front wheelhouse inner splash shield Splash Shield - Installation.
12. Lower the vehicle.
13. If removed, install the oil filter and fill the engine crankcase with the proper oil to the correct level Service and Repair
14. Connect the negative battery cable and tighten nut to 5 Nm (45 in. lbs.).
15. Start and run the engine until it reaches normal operating temperature.