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Home >> Chevrolet >> 2011 >> Corvette ZR-1 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 6.2L Or 7.0L - Repair Instructions - Off Vehicle (4 Of 5) >> Engine Coolant Air Bleed Pipe and Hole Cover Installation (6.2L LS3)

Engine Coolant Air Bleed Pipe and Hole Cover Installation (6.2L LS3)

    Fig 1: View Of Coolant Air Bleed Pipe Seal
    GM1552485Courtesy of GENERAL MOTORS CORP.
    NOTE: Position the gasket O-ring seal (308) onto the nipple portion of the pipe.
  1. Install the seals onto the engine coolant air bleed pipe and covers.
    2. Fig 2: Coolant Air Bleed Pipe, Cover & Bolts
    GM1559855Courtesy of GENERAL MOTORS CORP.
  2. Install the pipe (307) and gaskets (308).
    3. CAUTION: Refer to Fastener Caution
  3. Install the bolts (309) and tighten to 12 N.m (106 lb in).
    4. Fig 3: Engine Coolant Air Bleed Cover, Bolts & Seals
    GM1408862Courtesy of GENERAL MOTORS CORP.
    NOTE: Production engines use a rivet-type plug at the top rear coolant passage of each cylinder head. If service of a leaking plug is required, it is necessary to remove the cylinder head from the engine to properly remove the plug prior to cover installation.
  4. Install the covers (313) and gaskets (308). Tighten the cover bolts to 12 N.m (106 lb in).
  5. Install the bolts (312).
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