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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.5L-Ti-VCT >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Disassembly

Cylinder Head: Disassembly

NOTE: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into their original locations.
  1. Using The 303-300  (T87C-6565-A), 303-350  (T89P-6565-A) and 303-1249  , remove the keys, retainer and spring.
    Fig 1: Removing/Installing Keys, Retainer And Valve Spring
    G08030181Courtesy of FORD MOTOR CO.
  2. Remove and discard the valve stem seal.
    Fig 2: Removing And Discarding Valve Stem Seal
    G08029340Courtesy of FORD MOTOR CO.
  3. Remove the valve from the cylinder head.
    • Repeat the above steps for each valve.
    Fig 3: Identifying Cylinder Head Valve
    G08030183Courtesy of FORD MOTOR CO.
  4. Remove the timing chain guide pin.
    Fig 4: Location Of Timing Chain Guide Pin
    G08030184Courtesy of FORD MOTOR CO.
  5. Remove the timing chain tensioner arm pin from the RH cylinder head.
    Fig 5: Location Of Timing Chain Tensioner Arm Pin - RH Cylinder Head
    G08030185Courtesy of FORD MOTOR CO.
  6. Remove and discard the CHT sensor from the RH cylinder head.
    Fig 6: Locating CHT Sensor In RH Cylinder Head
    G08030186Courtesy of FORD MOTOR CO.
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