Grand Cherokee 4WD V8-4.7L Flex Fuel (2009)
CAUTION: When the timing chain is removed and the cylinder heads are still installed, DO NOT forcefully rotate the camshafts or crankshaft
independently of each other. Severe valve and/or piston damage can occur.
CAUTION: When removing the cam sprocket, timing chains or camshaft, Failure to use locking wedge tool 9867 will result in hydraulic
tensioner ratchet over extension, Requiring timing chain cover removal to re-set the tensioner ratchet.
2. Set engine to TDC cylinder #1, camshaft sprocket V8 marks at the 12 o'clock position.
3. Mark one link on the secondary timing chain on both sides of the V8 mark on the camshaft sprocket to aid in installation.
CAUTION: Do not hold or pry on the camshaft target wheel for any reason, Severe damage will occur to the target wheel. A damaged target
wheel could cause a vehicle no start condition.
4. Loosen but DO NOT remove the camshaft sprocket retaining bolt (2). Leave bolt snug against sprocket (3).
