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Home >> GMC >> 1989 >> Value Van P3500, 4.8 T, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L (305") V8 - VIN [H] >> Removal & Installation >> Intake Manifold >> Installation

Intake Manifold: Installation

  1. Install gaskets on cylinder head, noting any special instructions included in gasket set.
  2. Apply 3/16" bead of silicone sealer at front and rear intake manifold mounting surface of cylinder block. See Fig 1. Extend bead of sealer 1/2" up each cylinder head.
  3. Install intake manifold. Install manifold retaining bolts. Tighten bolts in sequence to specification. See Fig 2. To complete installation, reverse removal procedure.
Fig 1: Silicone Sealer Application Points
G91198Courtesy of GENERAL MOTORS CORP.
Fig 2: Intake Manifold Tightening Sequence
G92445Courtesy of GENERAL MOTORS CORP.