2007 Mercury MontereyFACTORY OEM SERVICE PROCEDURE

Chain Cover: Assembly

  1. Measure the distance that the center bi-metal element pin protrudes from the chain cover.
    2. Fig 1: Checking Center Bi-Metal Element Pin Height (With Specifications)
    GF0020247Courtesy of FORD MOTOR CO.
  2. Using the special tool, install the bi-metal element.
    1. Position the bi-metal strip onto the end of the pin.
    2. Install the special tool under the bi-metal element.
    3. Tap the retaining collar onto the pin until it seats against the tool edge.
    3. Fig 2: Installing Bimetal Element Using Special Tool (307-173)
    GF0020248Courtesy of FORD MOTOR CO.
  3. Remove the slotted end of the bi-metal element and install the thermostat plate over the end and middle pins.
    4. Fig 3: Installing Thermostat Plate
    GF0020249Courtesy of FORD MOTOR CO.
  4. Install the slotted end of the bi-metal element under the retaining ring.
    5. Fig 4: Installing Bimetal Element Under Retaining Ring
    GF0020250Courtesy of FORD MOTOR CO.
Factory Service Tools

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When to See a Mechanic

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

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