Oil Pump: Service and Repair
1. Remove oil pan and oil pump screen cover and tube.2. Remove front timing cover.
3. Remove timing chains.
Fig. 34 Oil pump bolt removal sequence:
4. Remove crankshaft sprockets from crankshaft, then oil pump bolts in sequence.
5. Remove pump from cylinder block and inspect. Replace if necessary.
6. Reverse procedure to install, noting following:
Fig. 35 Oil pump bolt tightening sequence:
a. Torque oil pump bolts in sequence to 5.9-8.8 ft lb.
b. Fill crankcase to proper level with specified engine oil, then run engine and check for leaks.