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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 954 (3.5L ENGINE (SERVICE INFORMATION))ENGINE 3.5LREMOVAL - ENGINE ASSEMBLY
2004 Toyota Matrix XR, FWD, Standard

Removal - Engine Assembly

2004 Toyota Matrix XR, FWD, StandardSECTION Removal - Engine Assembly
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Capture and store any residual fluid drainage, or leakage from ancillary components, in the appropriately marked containers.
  1. Perform the fuel pressure release procedure.
  2. Disconnect negative battery cable.
  3. Drain the cooling system (Refer to STANDARD PROCEDURE - COOLING SYSTEM DRAINING ).
  4. Remove the engine cover (Fig 1 ).
  5. Remove the cruise control servo.
  6. Remove the radiator closure panel.
  7. Remove the radiator core support.
  8. Remove upper radiator hose.
  9. Remove the radiator cooling fan assembly (Refer to RADIATOR FAN ).
  10. Remove air cleaner housing (Fig 1 ).
  11. Evacuate and recover the air conditioning (Refer to STANDARD PROCEDURE - REFRIGERANT SYSTEM EVACUATE ).
  12. Disconnect the throttle and cruise control cables from the throttle body (Fig 2 ).
  13. Disconnect the cruise control and power brake booster vacuum hoses at the engine.
  14. Disconnect the transmission wiring harness from the solenoid pack, input and output sensors and the range sensor connectors (Fig 3 ).
  15. Disconnect the engine wiring harness grounds at the left inner frame rail.
  16. Disconnect the transmission shift cable.
  17. Disconnect the transmission cooler lines (Figure ).
  18. Disconnect the engine block heater wiring connector and set aside (if equipped).
  19. Disconnect the coolant reservoir hoses at the thermostat housing (Figure ).
  20. Disconnect the heater hoses at the heater core (Figure ).
  21. Disconnect upper radiator hose at the thermostat housing (Figure ).
    NOTE: Use a brake pedal prop rod and depress the brake pedal to prevent excessive brake fluid loss when the brake system is opened.
  22. Disconnect both front brake lines from the Hydraulic Control Unit (HCU) (Figure ).
  23. Disconnect the air condition suction discharge hoses at the air conditioning compressor and plug the compressor openings to prevent contamination.
  24. Disconnect lower radiator hose at the engine outlet and remove. (Figure ).
  25. Disconnect A/C clutch electrical connector.
  26. Disconnect oil pressure sending unit wiring harness connector.
  27. Disconnect the electrical connectors at the generator.
  28. Disconnect the fuel supply line at the fuel rail.
  29. Disconnect the ignition harness connector at the intake manifold.
  30. Raise and support the vehicle.
  31. Remove the front wheels.
  32. Remove left inner fender well.
    Fig 1: Identifying Air Intake System
    G03572435Courtesy of DAIMLERCHRYSLER CORP.
  33. Disconnect the engine harness from the powertrain control module (PCM).
  34. Disconnect the left wheel speed sensor and retainers (Figure ).
  35. Remove the left sway bar link at the front strut (Figure ).
  36. Remove left drive axle nut (Figure ).
  37. Remove both left steering knuckle pinch bolts (Figure ).
  38. Separate the left steering knuckle from the strut and suitably support steering knuckle (Figure ).
  39. Disconnect the negative battery cable from the transmission.
  40. Remove the left fascia screws.
  41. Remove right inner fender well.
  42. Remove right fascia screws.
  43. Disconnect the right wheel speed sensor and retainers (Figure ).
  44. Remove right sway bar link at the front strut (Figure ).
  45. Remove right drive axle nut (Figure ).
  46. Remove right steering knuckle pinch bolts (Figure ).
  47. Separate the right steering knuckle from the strut and suitably support the steering knuckle (Figure ).
  48. Unplug fascia driving lamps (if equipped).
  49. Remove front fascia.
  50. Raise the vehicle.
  51. Disconnect the starter wiring connectors and harness retainers.
  52. Disconnect the exhaust manifold Oxygen sensor electrical connector (Figure ).
  53. Disconnect the catalytic converter oxygen sensor electrical connector (Figure ).
  54. Remove the exhaust system from the manifold and set aside.
    Fig 2: Identifying Throttle Body Components
    G03572436Courtesy of DAIMLERCHRYSLER CORP.
RENDER: 1.0x

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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.