Camshaft Position Sensor Exciter Ring Replacement. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Camshaft Position Sensor Exciter Ring Replacement

Removal Procedure

Remove the engine front cover. Refer to Engine Front Cover Replacement .

Notice: Do not use an impact driver to remove or install the oil pump driven gear nut. Use of an impact driver may shear the oil pump drive gear pin in the crankshaft.

While holding the secondary oil pump shaft with a hex driver, remove the oil pump driven gear nut.
Remove the oil pump driven gear.

Important: DO NOT remove the reluctor from the oil pump drive gear. The reluctor is timed to the gear and once removed the correct timing will be lost.

Remove the oil pump drive gear and crankshaft sensor reluctor.

Remove the camshaft reluctor screws.
Remove the camshaft reluctor.
Clean and inspect the camshaft reluctor for damage. Replace the reluctor if damage is found.

Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.

Position the camshaft reluctor to the camshaft gear.
Install the camshaft reluctor bolts.

Tighten
Tighten the bolts to 9 N·m (80 lb in).

Important: Do not damage the teeth on the reluctor.

Install the oil pump drive gear and reluctor to the crankshaft.

Install the oil pump driven gear.

Notice: Do not use an impact driver to remove or install the oil pump driven gear nut. Use of an impact driver may shear the oil pump drive gear pin in the crankshaft.

While holding the secondary oil pump shaft with a hex driver, install the oil pump driven gear nut.

Tighten
Tighten the nut to 100 N·m (74 lb ft).

Install the engine front cover. Refer to Engine Front Cover Replacement .