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Home >> GMC >> 1998 >> Jimmy 4D Utility, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J] >> Removal & Installation >> Timing Chain & Sprockets >> Installation

Timing Chain & Sprockets: Installation

  1. Install Woodruff key in crankshaft (if removed). Using Crankshaft Sprocket Installer (J-5590 on 4.3L, 5.7L and 5.7L or J-22102 on 7.4L), install crankshaft sprocket. Install the camshaft sprocket and the timing chain. Make sure timing marks on sprockets are aligned. See Figure. Install and tighten camshaft sprocket bolts to specification. See TORQUE SPECIFICATIONS  table.
    2. CAUTION: Failure to properly align CKP sensor reluctor ring may result in component damage and could affect system performance. CKP sensor reluctor ring is shaped like a dish. Dished side of CKP reluctor ring must face engine front cover.
  2. Install CKP sensor reluctor ring. Install front cover and gasket. See FRONT COVER . To complete installation, reverse removal procedure.
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