Oil Pump

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Oil Pump
WARNING: This page is about a different car, the 2008 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, can cause engine failure.
    NOTE: Install a new oil pump screen and pickup tube O-ring seal prior to installing the oil pump.
  1. Position the oil pump onto the crankshaft and rotate counterclockwise to position the pump onto the oil pump screen and pickup tube.
    • Install the 3 bolts and tighten to 10 Nm (89 lb-in).
  2. Fig 1: Locating Oil Pump Screen & Pickup Tube Bolts & Rotating Oil Pump Counterclockwise
    GF0029341Courtesy of FORD MOTOR CO.
  3. Install the 2 oil pump screen and pickup tube bolts.
    • Tighten to 10 Nm (89 lb-in).
  4. Fig 2: Locating Oil Pump Bolts
    GF0029268Courtesy of FORD MOTOR CO.
  5. Install the crankshaft timing chain sprocket.
  6. Fig 3: Locating Crankshaft Timing Chain Sprocket
    GF0029202Courtesy of FORD MOTOR CO.
  7. Install the primary timing chain with the colored links aligned with the timing marks on the VCT assemblies and the crankshaft sprocket.
  8. Fig 4: Aligning Timing Marks On VCT Assemblies & Crankshaft Sprocket
    GF0029323Courtesy of FORD MOTOR CO.
  9. Install the LH primary timing chain guide and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
  10. Fig 5: Locating Lower LH Primary Timing Chain Guide & Bolts
    GF0041323Courtesy of FORD MOTOR CO.
  11. Install the primary timing chain tensioner arm.
  12. Fig 6: Locating Primary Timing Chain Tensioner Arm
    GF0041322Courtesy of FORD MOTOR CO.
  13. Reset the primary timing chain tensioner.
    • Rotate the lever counterclockwise.
    • Using a soft-jawed vise, compress the plunger.
    • Align the hole in the lever with the hole in the tensioner housing.
    • Install a suitable lock pin.
  14. Fig 7: Compressing Plunger Using A Soft-Jawed Vise
    GF0029324Courtesy of FORD MOTOR CO.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.