Download Timing chain 1. 2. 3. 4. Remove and discard the camshaft seal. Remove the engine front cover. Remove the lower intake manifold. Remove the camshaft oil seal retainer. 5. CAUTION: This pulse wheel has two keyway slots and is used in several different engines. Install the pulse wheel in the keyway slot stamped 25, color coded blue. Remove the crankshaft position (CKP) sensor pulse wheel 6. Install the crankshaft pulley retaining bolt and washer. 6. Install the crankshaft pulley retaining bolt and washer.7. Rotate the crankshaft in a clockwise direction to position number one cylinder at top dead center (TDC) with the crankshaft keyway at the 11 o’clock position. If the camshafts are not positioned as shown, rotate the crankshaft one complete revolution. 8. Rotate the crankshaft clockwise to position the crankshaft keyway in the 3 o’clock position. The RH camshafts are in the neutral position. 9. NOTE: Mark the position of all chain drive components to be sure they are assembled in their original positions. Remove the right-hand timing chain tensioner and timing chain tensioner arm. -Remove the bolts. -Remove the timing chain tensioner. -Remove the timing chain tensioner arm.