6/27/2018 Engine — 3.5L - Upper Intake Manifold - in Vehicle Repair • 2007 Lincoln MKZ • MotoLogic 2007 MKZ Applies to: Report a problem with this article 3.5L SECTION 303-01C: Engine — 3.5L 2007 Fusion/Milan/MKZ Workshop Manual IN-VEHICLE REPAIR Procedure revision date: 12/03/2008 Upper Intake Manifold Item Part Number Description 1 W503274 Upper intake manifold support bracket bolt 2 14A464 Positive crankcase ventilation (PCV) fitting electrical connector (part of 12C508) 3 6K817 PCV hose 4 13A506 Block heater wiring harness retainer (part of 6B018) 5 14A464 Throttle body electrical connector (part of 12C508) 6 CS16140 Brake booster-to-intake manifold vacuum hose clamp https://www.motologic.com/car/f17f0d90-ca4d-012b-1090-fbb1677812c1/article/650e8b00-eb18-012d-a285-00259000351c?returnPath=%2Fcar%2Ff1… 1/4 6/27/2018 Engine — 3.5L - Upper Intake Manifold - in Vehicle Repair • 2007 Lincoln MKZ • MotoLogic 7 6K817 Brake booster-to-intake manifold vacuum hose 8 9D661 Evaporative emissions (EVAP)-to-intake manifold tube 9 W503274 Upper intake manifold support bracket bolt 10 — Engine control wiring harness retainer (part of 12C508) Item Part Number Description 11 W503282 Upper intake manifold bolt (5 required) 12 W707083 Upper intake manifold bolt 13 9S455 Upper intake manifold 14 9H486 Upper intake manifold gasket (3 required) Removal 1. Remove the air cleaner outlet pipe. For additional information, refer to Section 303-12C. 2. Disconnect the throttle body electrical connector. 3. Disconnect the evaporative emissions (EVAP) tube from the intake manifold. For additional information, refer to Section 310-00. 4. Disconnect the brake booster vacuum hose from the intake manifold. 5. Disconnect the positive crankcase ventilation (PCV) tube from the PCV valve. 6. Disconnect the PCV fitting electrical connector. 7. Detach the wiring harness retainers from the upper intake manifold. 8. If equipped, detach the cylinder block heater wiring harness retainer from the upper intake manifold. https://www.motologic.com/car/f17f0d90-ca4d-012b-1090-fbb1677812c1/article/650e8b00-eb18-012d-a285-00259000351c?returnPath=%2Fcar%2Ff1… 2/4 6/27/2018 Engine — 3.5L - Upper Intake Manifold - in Vehicle Repair • 2007 Lincoln MKZ • MotoLogic 9. Remove the 2 upper intake manifold support bracket bolts. 10. Remove the 6 bolts and the upper intake manifold. Remove and discard the gaskets. Clean and inspect all of the sealing surfaces of the upper and lower intake manifold. Installation 1. NOTICE: If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris is found, install a new intake manifold. Failure to follow these instructions can result in engine damage. Using new gaskets, install the upper intake manifold and the 6 bolts. Tighten in the sequence shown to 10 Nm (89 lb-in). 2. Install the 2 upper intake manifold support bracket bolts. Tighten to 10 Nm (89 lb-in). 3. If equipped, attach the cylinder block heater wiring harness retainer to the upper intake manifold. 4. Attach the wiring harness retainers to the upper intake manifold. 5. Connect the PCV fitting electrical connector. 6. Connect the PCV tube to the PCV valve. 7. Connect the brake booster vacuum hose to the intake manifold. 8. Connect the EVAP tube to the intake manifold. For additional information, refer to Section 310-00. https://www.motologic.com/car/f17f0d90-ca4d-012b-1090-fbb1677812c1/article/650e8b00-eb18-012d-a285-00259000351c?returnPath=%2Fcar%2Ff1… 3/4 6/27/2018 Engine — 3.5L - Upper Intake Manifold - in Vehicle Repair • 2007 Lincoln MKZ • MotoLogic 9. Connect the throttle body electrical connector. 10. Install the air cleaner outlet pipe. For additional information, refer to Section 303-12C. https://www.motologic.com/car/f17f0d90-ca4d-012b-1090-fbb1677812c1/article/650e8b00-eb18-012d-a285-00259000351c?returnPath=%2Fcar%2Ff1… 4/4.