LEMON Manuals: Even more car manuals for everyone
Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Engine Mechanical - 4.6L - 4 Of 4) >> Off-Vehicle Repair Instructions (3 Of 3) >> Intake Manifold Installation

Intake Manifold Installation

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Intake Manifold
    GM1564109Courtesy of GENERAL MOTORS CORP.
  1. Install the intake manifold, fitting the plenum duct over the intake manifold duct.
    2. Fig 2: Identifying Intake Manifold Bolts
    GM1564107Courtesy of GENERAL MOTORS CORP.
  2. Loosely install the intake manifold bolts.
    3. Fig 3: Intake Manifold Bolt Tightening Sequence
    GM1564243Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  3. Tighten the intake manifold bolts in sequence (1-10).

    Tighten:  Tighten the intake manifold bolts to 10 N.m (89 lb in).

    4. Fig 4: Locating Plenum Duct Clamp
    GM1564106Courtesy of GENERAL MOTORS CORP.
  4. Tighten the plenum duct clamp (1) to the intake manifold.

    Tighten:  Tighten the plenum duct clamp to 2.75 N.m (24 lb in).

    5. Fig 5: Identifying Fuel Injectors & Fuel Rail
    GM1564105Courtesy of GENERAL MOTORS CORP.
  5. Inspect the fuel injector O-rings. Ensure the fuel injector O-rings are not missing, mis-aligned or damaged. Replace the O-rings if necessary.
  6. Lubricate the intake manifold fuel injector bores with light mineral oil GM P/N 9981704, clean engine oil, or equivalent.
  7. Install the fuel rail with fuel injectors as an assembly.
    8. Fig 6: Identifying Fuel Rail Studs
    GM1564102Courtesy of GENERAL MOTORS CORP.
  8. Install the fuel rail studs.

    Tighten:  Tighten the fuel rail studs to 9 N.m (80 lb in).

    9. Fig 7: Identifying Fuel Rail Bracket
    GM1564100Courtesy of GENERAL MOTORS CORP.
  9. Install the fuel rail bracket nut to the fuel rail stud at the engine lift bracket on the water crossover.

    Tighten:  Tighten the fuel rail bracket nut to 10 N.m (89 lb in).

    10. Fig 8: Identifying PCV Dirty Air Tube
    GM1564099Courtesy of GENERAL MOTORS CORP.
  10. Install the PCV dirty air tube to the PCV orifice in the right camshaft cover and to the intake manifold.
    11. Fig 9: Identifying PCV Fresh Air Feed Tube
    GM1564098Courtesy of GENERAL MOTORS CORP.
  11. Install the PCV fresh air feed tube to the camshaft cover and the water crossover.
    12. Fig 10: Identifying Brake Booster Hose
    GM1564096Courtesy of GENERAL MOTORS CORP.
  12. Install the brake booster hose to the vacuum fitting in the water crossover.
scientia non olet · About LEMON Manuals