Accord L4-2.4L (2005)
5. Inspect both rotors and the pump housing for scoring or other damage. Replace parts if necessary.
Balancer Shaft Inspection
1. Seat the balancer shaft by pushing it away from the oil pump sprocket end of the oil pump.
2. Zero the dial indicator against the end of the balancer shaft, then push the balancer shaft back and forth and read the end play.
3. Remove the baffle plate (A) and upper balancer shaft holder (with bearings) (B), then remove the front balancer shaft (C) and rear balancer shaft
(D).