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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls - Electronic Engine Controls - 3.5L) >> Removal And Installation >> Knock Sensor (KS) >> Removal and Installation

Removal and Installation

WARNING: This page is about a different variant/trim than selected.
  1. Remove the thermostat housing. For additional information, refer to ENGINE COOLING .
  2. Remove the lower intake manifold. For additional information, refer to ENGINE - 3.5L .
  3. Remove the coolant tube.
    • Discard the O-ring seal.
  4. Disconnect the Knock Sensor (KS) electrical connector.
    5. NOTE: Only use hand tools when removing or installing the Knock Sensor (KS) or damage to the KS can occur.
  5. Remove the 2 bolts and the KS.
    • To install, tighten to 20 Nm (177 lb-in).
  6. To install, reverse the removal procedure.
      NOTE: Genuine Mazda® Extended Life Coolant and Motorcraft® Specialty Green Engine Coolant are very sensitive to light. Do NOT allow these products to be exposed to ANY LIGHT for more than a day or two. Extended light exposure causes these products to degrade.
    • Lubricate the new O-ring seal with clean engine coolant.
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