Removal and Replacement

Oil Pump Chain Replacement

Special Tools Required
^ RDX engine support mount pads 07AAK-STKA120
^ Engine support hanger, A and Reds AAR-T-12566 *
*:Available through American Honda Tool and Equipment Program, 1-888-424-6857

NOTE: Keep the oil pump chain away from magnetic fields.

Removal
1. Remove the drive belt.
2. Remove the cam chain.
3. Remove the power steering (P/S) pump. Do not disconnect the P/S hoses from the pump.
4. Attach the universal eyelet to the drive belt auto tensioner.
5. Remove the top corner clip (A) from the front grill on both sides. Place the engine support mount pads over the hood edge cushions (B), and align the pins with the clip hole (C). Remove the lids from both side of the cowl cover. Install the engine support hanger (AAR-T-12566), then attach the hook to the universal eyelet. Tighten the wing nut (D) by hand to lift and support the engine/transmission assembly.





6. Remove the oil pan
7. Install the crankshaft pulley.
8. To hold the rear balancer shaft, insert the 6 mm pin punch (A) into the maintenance hole in the balancer shaft holder and through the rear balancer shaft.





9. Turn the crankshaft counterclockwise to compress the oil pump chain auto-tensioner.
10. Align the holes on the lock (A) and the oil pump chain auto-tensioner (B), then insert a 1.5 mm (0.06 in.) diameter pin (C) into the holes. Turn the crankshaft clockwise to secure the pin.





11. Remove the oil pump chain auto-tensioner.





12. Remove the crankshaft pulley.
13. Remove the oil pump chain guide.





14. Loosen the oil pump sprocket mounting bolt.





15. Remove the oil pump chain.





Installation
1. Set the crankshaft to top dead center (TDC). Align the TDC mark (A) on the crankshaft sprocket with the pointer (B) on the cylinder block.





2. Install the oil pump chain on the crankshaft sprocket with the center of the two colored link plates (A) aligned with the TDC mark (B) on the oil crankshaft sprocket.





3. Install the oil pump chain on the oil pump chain sprocket with the punch mark (A) aligned with the center of the three colored link plates (B).





4. To hold the rear balancer shaft, insert the 6 mm pin punch (A) into the maintenance hole in the balancer shaft holder and through the rear balancer shaft, then tighten the oil pump sprocket mounting bolt (B).





5. Install the oil pump chain guide.





6. Install the oil pump chain auto-tensioner.





7. Remove the pin from the oil pump chain auto tensioner.





8. Install the oil pan.
9. Support the engine with a jack and a wood block under the oil pan.
10. Remove the special tools from the engine and vehicle.
11. Install the cam chain.
12. Install the P/S pump.
13. Install the crankshaft pulley.
14. Install the drive belt.