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Oil Pan: Installation

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  1. Clean gasket mating surfaces. Apply small amount of silicone sealer to engine block, where oil pan, rear seal and block mate. See Figure.
    2. CAUTION: If installing original oil pan, existing oil pan spacers may be used. If installing NEW oil pan, measure oil pan-to-transmission clearance and install correct spacers to prevent oil pan damage and/or oil leaks.
  2. Install NEW crankshaft rear main bearing cap wedge seal. Wedge seal should fit snugly into sides of rear main bearing cap. See Figure. Position NEW oil pan gasket into groove in oil pan. If installing original oil pan, go to step 5. If installing NEW oil pan, go to next step.
  3. If transmission is still in vehicle, position oil pan on engine without spacers. Install oil pan retaining nuts on 4 locating studs. Using a feeler gauge, measure gap between locating pads on oil pan and transmission bellhousing.
  4. If transmission is removed from vehicle, position oil pan on engine without spacers. Install oil pan retaining nuts on 4 locating studs. Place a straightedge across mounting surface on back of engine, and measure difference between mounting surface on engine and mounting surface on oil pan. See Fig 1. Determine spacer thickness from measured clearance. See SPACER SELECTION  table. Remove oil pan, and go to next step.
    SPACER SELECTION

    Clearance In. (mm) Shim Thickness In. (mm) Shim Color Code
    .011-.020 (.28-.51) .010 (.25) Yellow
    .021-.029 (.53-.74) .020 (.51) Blue
    .030-.039 (.76-.99) .030 (.76) Pink
    5. CAUTION: Oil pan spacers must be installed before bolting engine to transmission.
  5. Position oil pan spacers on oil pan locating pads. Install oil pan. Tighten retaining bolts/nuts tight enough to compress oil pan gasket so transmission bolts align with holes in oil pan, but loose enough to allow oil pan to move when transmission bolts are installed.
  6. Install oil pan-to-transmission bolts and tighten to specification. Install and tighten all oil pan bolts to specification. See TORQUE SPECIFICATIONS  table. To complete installation, reverse removal procedure. Fill or top off fluids. Start engine and check for leaks.
Fig 1: Measuring Oil Pan Spacer Clearance
G91I13365Courtesy of FORD MOTOR CO.
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