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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 274 (HVAC CONTROL SYSTEM - GENERAL INFORMATION & DIAGNOSTICS)GENERAL PROCEDURESSPRING LOCK COUPLINGCLEANING
2010 Mercury Mariner Hybrid, AWD

Spring Lock Coupling: Cleaning

2010 Mercury Mariner Hybrid, AWDSECTION Cleaning
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fabricate a cleaning tool from a 1/8-inch diameter brazing rod.
    Fig 1: Identifying Cleaning Tool Dimension
    G04585142Courtesy of FORD MOTOR CO.
  2. Cut an abrasive pad from maroon colored 3M Scotch Brite® with the dimensions corresponding to the coupling size.
    COUPLING SIZE AND PAD SIZE SPECIFICATION

    Coupling Size Pad Size
    3/8 in 25 x 50 mm (1x2 in)
    1/2 in 25 x 50 mm (1x2 in)
    5/8 in 25 x 76 mm (1x3 in)
    3/4 in 25 x 102 mm (1x4 in)
  3. Assemble the pad to the tool.
    Fig 2: Assembling Pad To Tool
    G04585143Courtesy of FORD MOTOR CO.
  4. Coat the abrasive pad with refrigerant compressor oil.
  5. Roll the pad on the tool and install it in a variable speed drill motor.
    6. CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future leaks.
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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.