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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> ENGINE MECHANICAL - 4.8L, 5.3L, AND 6.0L (4 Of 4) >> Off-Vehicle Repair Instructions (Part 3) >> Coolant Air Bleed Pipe Installation

Coolant Air Bleed Pipe Installation

    IMPORTANT:
    • Install the pipe seals properly onto the pipe and covers.
    • Position the O-ring seal onto the nipple portion of the pipe.
    Fig 1: View Of Coolant Air Bleed Pipe Seal
    GM1552485Courtesy of GENERAL MOTORS CORP.
  1. Install the seals (308) onto the engine coolant air bleed pipe and covers.
  2. Install the pipe (307) and seals (308) onto the cylinder heads.
    Fig 2: View Of Air Bleed Pipe, Bolts & Gasket
    GM1277123Courtesy of GENERAL MOTORS CORP.
    3. NOTE: Refer to Fastener Notice .
  3. Install the pipe bolts (309).

    Tighten:  Tighten the pipe bolts to 12 N.m (106 lb in).

  4. Install the covers (313), seals (308), and bolts (312) onto the rear of the engine.
    Fig 3: View Of Engine Coolant Air Bleed Cover, Gasket & Bolts
    GM1272806Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the cover bolts to 12 N.m (106 lb in).

  5. Install the hose (311) and clamps (310) onto the pipe (307).
    Fig 4: View Of Engine Coolant Air Bleed Pipe, Hose & Clamps
    GM1277104Courtesy of GENERAL MOTORS CORP.
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