Remove the timing drive components. For additional information, refer to Timing Drive Components in this section.
CAUTION:Cylinder head camshaft bearing caps and cylinder heads are numbered to verify that they are assembled in their original positions.
CAUTION:After loosening all of the camshaft bearing cap bolts, remove the camshaft bearing thrust caps (5R and 1R) first, or damage to the thrust caps may occur.
Loosen the bolts evenly in the sequence shown.
Remove the camshaft bearing thrust caps (5R and 1R).
Remove the remaining camshaft bearing caps.
Remove the camshafts from the cylinder head.
Installation
Lubricate the camshafts with clean engine oil and carefully position the camshafts into the cylinder head.
Align the camshafts as shown.
CAUTION:Do not install the camshaft bearing thrust caps until all of the camshaft bearing caps have been installed, or damage to the thrust caps may occur.
Lubricate the bearing surfaces of the camshaft bearing caps with clean engine oil and install the bearing caps.
Loosely install the bolts.
Lubricate the bearing surfaces of the camshaft bearing thrust caps with clean engine oil and install the bearing thrust caps.
Loosely install the bolts.
Install the bolts.
Tighten in the sequence shown to 10 Nm (89 lb-in).
Install the timing drive components. For additional information, refer to Timing Drive Components in this section.