Installation

INSTALLATION

The power transfer unit input shaft cover seal is the larger of the two seals located on the inside of the end cover. The differential bearing cup must be removed to service this seal.

1. Clean and inspect seal area.
2. Use special tool No. MD998803 and install seal (Figure 1). When installing seal the spring side of the seal must face toward the special tool.




Figure 1 Seal Installation






3. Reinstall the original bearing race and shim using special tool No. 6522 (Figure 2) and (Figure 3).




Figure 2 Bearing Shim and Race










Figure 3 Installing Bearing Race







CAUTION: The original shim must be installed behind the bearing cup to maintain proper bearing preload.

4. Apply Mopar(R) Gasket Maker, Loctite Gasket Eliminator No. 518 or equivalent to sealing surfaces of end cover.
5. Place end cover onto P.T.U. case and install bolts. Tighten bolts to 28 Nm (250 in. lbs.) in the sequence shown in (Figure 4). Retighten first bolt after all others are tight.

CAUTION: When end cover is installed be careful not to damage the P.T.U. Input Shaft Cover Seal.




Figure 4 Bolt Tightening Sequence

6. Reinstall P.T.U. assembly into vehicle.
7. Check and fill fluids as required.