Oil Pump: Service and Repair
OIL PUMP - 2.3L REMOVAL/INSTALLATIONRemoval
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Remove the engine front cover.
3. Drain the engine oil, then install the drain plug.
^ To install, tighten to 28 N-m (2.8 kgf-m, 21 ft-lbf).
4. Remove the 3 oil pan-to-bellhousing bolts.
5. Remove the 13 bolts and the oil pan.
6. Remove the 2 bolts and oil pump screen cover and pickup tube.
^ To install, tighten to 10 N-m (1.0 kgf-m, 89 in-lbf).
Note
^ Discard the gasket and inspect the gasket mating surfaces.
7. Remove the oil pump drive chain tensioner.
(1) Release the tension on the tensioner spring.
(2) Remove the 2 shoulder bolts and the tensioner.
(3) Remove the 2 shoulder bolts and the guide.
8. Remove the chain from the oil pump sprocket.
9. Remove the bolt and oil pump sprocket.
10. Remove the 4 bolts and the oil pump.
Installation
1. Install the oil pump assembly. Tighten the 4 bolts in the sequence shown in 2 stages:
^ Stage 1: Tighten to 10 N-m (1.0 kgf-m, 89 in-lbf).
^ Stage 2: Tighten to 20 N-m (2.0 kgf-m, 15 ft-lbf).
2. Install the oil pump sprocket and bolt.
^ Tighten to 25 N-m (2.5 kgf-m, 18 ft-lbf).
3. Install the chain onto the oil pump sprocket.
4. Install the oil pump drive chain tensioner shoulder bolt.
^ Tighten to 10 N-m (1.0 kgf-m, 89 in-lbf).
5. Install the oil pump drive chain tensioner and bolt. Hook the tensioner spring around the shoulder bolt.
^ Tighten to 10 N-m (1.0 kgf-m, 89 in-lbf).
6. Install the oil pump screen and pickup tube and the 2 bolts.
^ Tighten to 10 N-m (1.0 kgf-m, 89 in-lbf).
7. Clean all mating surfaces with metal surface cleaner.
Caution
^ Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges, which make leak paths. Use a plastic scraping tool to remove traces to sealant.
8. Apply a 2.5 mm (0.09 in) bead of sealant gasket and sealant to the oil pan.
^ Position the oil pan onto the engine and install the 2 rear oil pan bolts finger-tight.
9. Using a suitable straightedge, align the front surface of the oil pan flush with the front surface of the engine block.
10. Install the remaining oil pan bolts.
^ Tighten in the sequence shown to 25 N-m (2.5 kgf-m, 18 ft-lbf).
11. Install the 4 oil pan-to-bellhousing bolts.
^ Tighten to 48 N-m (4.8 kgf-m, 35 ft-lbf).
12. Install the engine front cover.
13. Fill the engine with clean engine oil.