Removal ProcedureRemove the fuel pump. Refer toFuel Pump Replacement.Remove the camshaft position actuators. Refer toCamshaft Position Actuator Replacement - Bank 2.
Observe the markings on the bearing caps-(1). Each bearing cap is marked in orderto identify its location. The markings have the following meanings:The raised feature must always be oriented toward the center of the cylinder head.The I indicates the intake camshaft.The E indicates the exhaust camshaft.The number indicates the journal position from the front of the engine.
Remove the camshaft bearing cap bolts-(1).Remove the camshaft bearing caps-(2).
Note:Mark the camshafts upon removal to ensure installation is in the correct position.
Remove the camshafts-(1).Installation ProcedureEnsure that the camshaft sealing rings-(1) are in place in the camshaft grooves. Camshaftsealing rings must be in place below the surface of the camshaft journal in orderto avoid being pinched between the cylinder head and the camshaft caps.
Apply a liberal amount of lubricant-(1) to the camshaft journals and the left cylinderhead camshaft carriers. Refer toAdhesives, Fluids, Lubricants, and Sealersfor recommended lubricant.
Place the left intake-(1) and left exhaust-(2) camshafts in position in the left cylinderhead.
Position the camshaft lobes in a neutral position with the flats on the back of thecamshafts up and parallel-(1) with the left cylinder head camshaft cover rail.
Observe the markings on the left cylinder head camshaft bearing caps. Each bearingcap is marked in order to identify its location. The markings have the following meanings:The raised feature-(1) must always be oriented toward the center of the cylinder head.The I indicates the intake camshaft.The E indicates the exhaust camshaft.The number 2, 4, 6 indicates the cylinder position from the front of the engine.Apply a liberal amount of lubricant to the camshaft bearing caps. Refer toAdhesives, Fluids, Lubricants, and Sealersfor recommended lubricant.
Apply a liberal amount of lubricant to the camshaft bearing cap-(1) and camshaft thrustsurface-(2). Refer toAdhesives, Fluids, Lubricants, and Sealersfor recommended lubricant.
Install the camshaft bearing thrust cap-(1) in the first journal of the left cylinderhead.Install the remaining bearing caps-(2) with their orientation mark toward the centerof the cylinder head.Hand start all the camshaft bearing cap bolts.
Caution:Refer toFastener Caution.
Tighten the camshaft bearing cap bolts in the sequence shown and tighten to 10-Y (89-lb-in).Loosen the center intake camshaft bearing cap bolts 1, 2 and the center exhaust camshaftbearing cap bolts 3, 4.Retighten the center camshaft bearing cap bolts 1, 2, 3, 4 and retighten the camshaftbearing cap bolts to 10-Y (89-lb-in).Install the camshaft position actuators. Refer toCamshaft Position Actuator Replacement - Bank 2.Install the fuel pump. Refer toFuel Pump Replacement.Measuring Frequency
Special Tools EL–39200 Digital Multimeter (DMM)For equivalent regional tools, refer toSpecial Tools.Caution:Refer toTest Probe Caution.The following procedure determines the frequency of a signal.Note:Connecting the Digital Multimeter (DMM) to the circuit before pressing the Hz buttonwill allow th ...