Oil Pump Replacement

REMOVAL

NOTE: Oil pan must be removed prior to removing oil pump.

Fig. 19 Oil pump clearance check locations:

1. Remove timing belt. Refer to TIMING BELT & COVER.
2. Remove timing belt tensioner and crankshaft sprocket.
3. Remove oil pump assembly attaching bolts, then the oil pump.
4. Remove oil seal from oil pump housing.

INSPECTION

1. Check oil pump case for cracks and damage.
2. Using a suitable feeler gauge, ensure that the actual clearances are within the following specifications:
a. Body 0.004-0.007 in (0.10-0.18 mm).
b. Side 0.0015-0.0035 in (0.04-0.09 mm).
c. Inner rotor to case 0.001-0.002 in (0.03-0.07 mm).

INSTALLATION

1. Install oil pump assembly and tighten attaching bolts to specifications.
2. Using oil seal installer tool No. MB998306, install new front oil seal into oil pump housing.
3. Reverse steps 1 and 2 in removal procedure, to install.