Altima 2.5 SL L4-2.5L (QR25DE) (2002)
Timing Chain: Service and Repair
CAUTION: Apply new engine oil to parts marked in illustration before installation.
REMOVAL
1. Support the engine and transaxle assembly with suitable tools.
2. Remove the upper and lower oil pan, and oil strainer.
3. Remove the IVTC (intake valve timing control) cover.