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Pinpoint Test A: Leak Tests

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1: LEAK TEST 1 

    When charging the system with nitrogen, the pressure should be regulated to 7.0 bar.

    NOTE: This test is performed with the engine not running.
    1. Charge the air conditioning system with nitrogen
    2. Isolate the nitrogen supply
    3. Monitor the pressure gauge and check for leaks for 30 minutes

    Has the source of the leak been identified?

    • Yes  : Rectify the leak as necessary. Install a new receiver drier. Using the manufacturer approved equipment, evacuate and recharge the air conditioning system with the correct quantity of refrigerant and oil
    • No  : GO to A2.
  2. A2: LEAK TEST 2 
    1. Using the manufacturer approved equipment, evacuate and recharge the air conditioning system with the correct quantity of refrigerant and oil
    2. Using the manufacturer approved refrigerant leak detector, check for a refrigerant leak

    Was a refrigerant leak detected?

    • Yes  : Using the manufacturer approved equipment, recover the refrigerant. Repair the leak as necessary. Evacuate and recharge the air conditioning system with the correct quantity of refrigerant and oil
    • No  : Repair complete
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