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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.3L V6 - VIN [Z] >> Overhaul >> Camshaft Bearings >> Removal & Installation

Removal & Installation

  1. Remove engine. See ENGINE REMOVAL & INSTALLATION article. Remove oil pan, oil pump, flywheel, timing cover and chain. Remove crankshaft. Remove camshaft. Push pistons to top of bore. Using Bearing Remover/Installer (J-6098-01), remove camshaft bearings.
  2. Install front and rear camshaft bearings first, to act as guides for remover/installer pilot. Ensure bearing oil passages are aligned with oil passages in block. Use 3/32" diameter round stock to check oil passage alignment. Coat camshaft rear bore plug with sealer. Install plug even to 1/32" below engine block surface.
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