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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Crankcase Clean Air Hose & Air Cleaner Outlet Resonator
    GM1226040Courtesy of GENERAL MOTORS CORP.
  1. Connect the crankcase clean air hose to the air cleaner outlet resonator (2).
  2. Connect the crankcase clean air hose to the valve cover port.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 2: View Of Engine Bolts & Air Cleaner Outlet Resonator
    GM730135Courtesy of GENERAL MOTORS CORP.
  3. Install the 2 resonator to engine bolts (4) to the air cleaner outlet resonator (5).

    Tighten:  Tighten the bolts to 6 N.m (53 lb in).

    4. Fig 3: Top Of Engine View
    GM732051Courtesy of GENERAL MOTORS CORP.
  4. Tighten the throttle body clamps (2).

    Tighten:  Tighten the clamps to 4 N.m (35 lb in).

  5. Connect the fuel pressure regulator vacuum supply hose to the air cleaner outlet resonator.
    6. Fig 4: View Of Crankcase Ventilation Hose Location
    GM637635Courtesy of GENERAL MOTORS CORP.
  6. Lubricate the inner diameter of the crankcase ventilation hose with GM P/N 12345884 (Canadian P/N 5728223) or equivalent.
  7. Connect the crankcase dirty air hose to the intake manifold.
  8. Connect the crankcase dirty air hose to the PCV orifice tube.
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