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HOMESERVICE MANUALSCHRYSLER2004PT CRUISER TOURING, 2.4 B, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 83 (HVAC - GENERAL SERVICING)DIAGNOSIS AND TESTINGPERFORMANCE TEST PROCEDURENOTES
2004 Chrysler PT Cruiser Touring, 2.4 B, Automatic

Performance Test Procedure: Notes

2004 Chrysler PT Cruiser Touring, 2.4 B, AutomaticSECTION Notes
WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.

Before performing the following procedure, (Refer to WARNING ). Air temperature in test room and in vehicle must be 21° C (70°F) minimum for this test.

NOTE: When connecting the service equipment coupling to the line fitting, verify that the valve of the coupling is fully closed. This will reduce the amount of effort required to make the connection.
  1. Connect a tachometer and manifold gauge set or an A/C Charging/Recycling Station.
  2. Set controls:

    MTC (Manual Temperature Control) System: 

    • A/C ON
    • Panel Recirculation
    • Temperature to full cold
    • High blower

    ATC (Automatic Temperature Control) System: 

    • Rotate blower knob to high position (full clockwise)
    • Set temperature to the LO position
    • Push panel mode button
    • Push RECIRC (Recirculation) button (A/C and RECIRC symbols should be lit)
    NOTE: The word MANUAL should appear in the ATC display, confirming that the system is set manually.
  3. Start engine and hold at 1000 rpm with A/C clutch engaged.
  4. Engine should be warmed up with doors and windows closed.
  5. Insert a thermometer in the left center A/C outlet and operate the engine for five minutes. The A/C clutch may cycle depending on ambient conditions.
  6. With the A/C clutch engaged  , compare the discharge air temperature to the A/C PERFORMANCE TEMPERATURE AND PRESSURE  table.
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.