Oil Pump

Oil Pump





Removal

NOTICE: Do not loosen or remove the crankshaft pulley bolt without first installing the special tools as instructed in the crankshaft pulley procedure. The crankshaft pulley and the crankshaft timing sprocket are not keyed to the crankshaft. The crankshaft, the crankshaft sprocket and the pulley are fitted together by friction, using diamond washers between the flange faces on each part. For that reason, the crankshaft sprocket is also unfastened if the pulley bolt is loosened. Before any repair requiring loosening or removal of the crankshaft pulley bolt, the crankshaft and camshafts must be locked in place by the special tools, otherwise severe engine damage may occur.

1. Remove the engine front cover. For additional information, refer to Engine Front Cover Service and Repair.

2. Remove the oil pump screen and pickup tube. For additional information, refer to Oil Pump Screen and Pickup Tube Oil Pump Screen and Pickup Tube.

3. Remove the oil pump chain tensioner.
- Release the tension on the tensioner spring.

- Remove the bolt and the tensioner.





4. Remove the chain from the oil pump sprocket.

5. Remove the bolt and oil pump sprocket.

6. Remove the 4 bolts and the oil pump.

Installation

1. NOTE: Clean the oil pump and cylinder block mating surfaces with metal surface prep. Observe all warnings and cautions and follow all application directions contained on the packaging of the metal surface prep. Allow to dry until there is no sign of wetness, or 4 minutes, whichever is longer. Failure to follow this procedure may cause future oil leakage.

Install the oil pump assembly. Tighten the 4 bolts in the sequence shown in 2 stages:

- Stage 1: Tighten to 10 Nm (89 lb-in).

- Stage 2: Tighten to 20 Nm (177 lb-in).





2. Install the oil pump sprocket and bolt.
- Tighten to 25 Nm (18 lb-ft).

3. Install the chain onto the oil pump sprocket.

4. Install the oil pump chain tensioner and bolt.
- Hook the tensioner spring around the shoulder bolt.

- Tighten to 10 Nm (89 lb-in).





5. Install the oil pump screen and pickup tube. For additional information, refer to Oil Pump Screen and Pickup Tube Oil Pump Screen and Pickup Tube.

6. Install the engine front cover. For additional information, refer to Engine Front Cover Service and Repair.