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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1680 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - On Vehicle) >> Crankshaft Position Sensor Exciter Ring and Oil Pump Drive Gear Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Knock Pins Proper Installation Position In Oil Pump Drive Gear
    GM739295Courtesy of GENERAL MOTORS CORP.
    NOTE: The crankshaft reluctor and the oil pump drive gear are timed at the factory. In order to re-establish proper timing, install knock pins in the oil pump drive gear if the crankshaft reluctor was removed from the oil pump drive gear. The knock pins are available through the parts department.
  1. Install the knock pins in the oil pump drive gear to a height of 4.5-5.5 mm (0.177-0.217 in)
    2. Fig 2: View Of Crankshaft Reluctor & Oil Pump Drive Gear Bolts
    GM739296Courtesy of GENERAL MOTORS CORP.
  2. Install the crankshaft reluctor on the oil pump drive gear. Ensure the reluctor is aligned on the knock pins.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the crankshaft reluctor bolts and tighten to 8 N.m (71 lb in).
    4. Fig 3: View Of Oil Pump Drive Gear
    GM738904Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not damage the teeth on the crankshaft reluctor.
  4. Install the oil pump drive gear and reluctor to the crankshaft.
    5. Fig 4: View Of Oil Pump Driven Gear & Nut
    GM738905Courtesy of GENERAL MOTORS CORP.
  5. Install the oil pump driven gear.
    6. CAUTION: 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.
  6. While holding the secondary oil pump shaft with a hex driver, install the oil pump driven gear nut and tighten to 100 N.m (74 lb ft).
  7. Install the upper oil pan. Refer to Upper Oil Pan Replacement .
  8. Install the engine front cover. Refer to Engine Front Cover Replacement .
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