Oil Pump Chain Removal and Installation: Removal
- Disconnect negative cable at battery.
- Drain engine oil.
- Drain coolant COOLANT DRAINING .
- Remove timing chain cover. Refer to TIMING CHAIN COVER & FRONT OIL SEAL for H25 engine or TIMING CHAIN COVER REMOVAL & INSTALLATION for H27 engine .
- Remove LH bank 2nd timing chain. Refer to LEFT (NO. 1) BANK 2ND TIMING CHAIN & CHAIN TENSIONER for H25 engine or LH (NO. 1) BANK 2ND TIMING CHAIN & CHAIN TENSIONER REMOVAL for H27 engine .
- Remove 1st timing chain. Refer to 1ST TIMING CHAIN & CHAIN TENSIONER for H25 engine or 1ST TIMING CHAIN & CHAIN TENSIONER REMOVAL for H27 engine .
- Put match marks (3) to oil pump chain (1) and oil pump sprocket (2).
- Remove oil pump chain guide.
- Remove oil pump chain.
- Remove oil pump drive sprocket.