Oil Pump: Service and Repair

Oil Pump

Material:

Removal
1. Remove the oil pump screen and pickup tube.





2. Remove the oil pump chain tensioner.
^ Release the tension on the tensioner spring.
^ Remove the bolt and the tensioner.
3. Remove the chain from the oil pump sprocket.
4. Remove the bolt and oil pump sprocket.
5. Remove the 4 bolts and the oil pump.

Installation

1. NOTE: Clean the oil pump and cylinder block mating surfaces with metal surface cleaner.





Install the oil pump assembly. Tighten the 4 bolts in the sequence shown in 2 stages:
^ Stage 1: Tighten to 10 Nm (89 inch lbs.).
^ Stage 2: Tighten to 20 Nm (15 ft. lbs.).
2. Install the oil pump sprocket and bolt.
^ Tighten to 25 Nm (18 ft. lbs.).
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 inch lbs.).
5. Install the oil pump screen and pickup tube.