Town Car 1993

Exhaust Manifold


Removal & Installation

4.6L Engine
  1. Disconnect the battery cables, negative cable first. Remove the air inlet tube.
  3. Drain the cooling system and remove the cooling fan and shroud. Relieve the fuel system pressure and disconnect the fuel lines; refer to Section 5.

Never open, service, or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. In addition, when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.

  1. Remove the upper radiator hose. Remove the wiper module and support bracket.
  3. Discharge the air conditioning system; refer to Section 1. Disconnect and plug the compressor outlet hose at the compressor and remove the bolt retaining the hose assembly to the right coil bracket. Cap the compressor opening.
  5. Remove the 42-pin engine harness connector from the retaining bracket on the brake vacuum booster. Disconnect the connector.
  7. Disconnect the throttle valve cable from the throttle body. Disconnect the heater outlet hose.
  9. Remove the nut retaining the ground strap to the right cylinder head. Remove the upper stud and lower bolt retaining the heater outlet hose to the right cylinder head and position out of the way.
  11. Remove the blower motor resistor and remove the bolt retaining the right engine mount to the lower engine bracket. Disconnect both oxygen sensors.
  13. Raise and safely support the vehicle. Remove the engine mount through bolts.
  15. Remove the EGR tube line nut from the right exhaust manifold.
  17. Disconnect the exhaust pipes from the manifolds. Lower the exhaust system and hang it from the crossmember with wire.
  19. To remove the left exhaust manifold, remove the engine mount from the engine block and remove the 8 bolts retaining the exhaust manifold.
  21. Position a jack and a block of wood under the oil pan, rearward of the oil drain hole. Raise the engine approximatel