Sierra Classic 2500 2WD V8-6.6L DSL Turbo (2007)
9. Important: The crankshaft reluctor and the oil pump drive gear are timed together at the factory. Do not remove the crankshaft reluctor from the
oil pump drive gear.
Remove the oil pump drive gear and crankshaft reluctor.
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Do not remove the crankshaft reluctor bolts.
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Do not damage the reluctor teeth.
10. Using J 26900-12 (1) and J 26900-13 (2), measure the camshaft end play.
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The production value is 0.050 - 0.114 mm (0.002 - 0.0045 inch) and service limit is 0.20 mm (0.008 inch).
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Replace the camshaft gear or the camshaft thrust plate if measured value exceeds service limit.
11. Remove the camshaft reluctor screws.
12. Remove the camshaft reluctor.
13. In order to loosen the camshaft gear bolt use J 44643 in order to hold the engine from turning.
14. Loosen the camshaft gear bolt and leave the bolt finger tight.
15. Remove the camshaft thrust plate bolts through the holes in the camshaft gear.
