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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 >> Rocker Arm Studs >> Removal & Installation

Removal & Installation

  1. Using Stud Remover (J-5802-01), place remover over stud. Install nut and flat washer. Tighten nut to remove stud from cylinder head. Ream hole for oversize stud.
  2. Use Reamer (J-5715) for .003" (.08 mm) and Reamer (J-6036) for .013" (.33 mm) oversize replacement studs. Coat press-fit area of stud with hypoid axle lubricant.
  3. Using Stud Driver (J-6880), drive stud in cylinder head. Proper stud height is obtained when driver bottoms against cylinder head.
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