IS 250 AWD V6-2.5L (4GR-FSE) (2006)
C. While holding the No.2 chain slide the No.2 camshaft out toward the front of the vehicle.
32. Remove the No. 1 camshaft.
A. Hold the rear portion of the No. 1 camshaft (with tilt position).
B. Hold the timing chain from the timing gear and slide the No.1 camshaft (with No.2 chain) out toward the rear of the vehicle.
NOTE
Keep tension on the timing chain to avoid separation from the crankshaft timing gear.
C. Tie the timing chain to the oil pipe with a strap.
33. Remove camshaft No.4.
A. Remove the bolt for the No.3 chain tensioner assembly.
B. While holding the No.4 camshaft remove the No.3 chain tensioner assembly.
C. Hold the No.2 chain and slide the No.4 camshaft out toward the front of the vehicle.
34. Remove camshaft No.3.
A. Hold the rear portion of the No.3 camshaft (with tilt position).
B. Remove the timing chain from the timing gear and slide the No.3 camshaft (with the No.2 chain) out toward the rear of the vehicle.
NOTE
Keep tension on the timing chain to avoid separation from the crankshaft timing gear.
C. Tie the timing chain to the oil pipe with a strap.
Repair Procedure Valve Lash Adjuster Replacement