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Home >> Jaguar >> 2011 >> XJ Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Noise, Vibration & Harshness -- XJ/X351 >> Noise, Vibration And Harshness >> Diagnosis And Testing >> Pinpoint Tests >> Pinpoint Test B: Tip-In Moan

Pinpoint Test B: Tip-In Moan

  1. B1: CHECK THE AIR CLEANER 
    1. Check the air cleaner.
      • Check the air cleaner, inlet tube, outlet tube, resonators and all other components associated with the air induction system for correct installation and tightness of all connections.

    Are the components OK?

    • Yes  : GO to  B2.
    • No  : Correct the condition. Repeat the Road Test as outlined.
  2. B2: CHECK THE EXHAUST SYSTEM 
    1. Carry out the exhaust system neutralizing procedure in this section.

    Is the exhaust system OK?

    • Yes  : GO to  B3.
    • No  : Repair as necessary. Restore vehicle. Repeat the Road Test as outlined.
  3. B3: CHECK THE POWER STEERING 
    1. Remove the auxiliary drive belt and test for tip-in moan.

    Is the tip-in moan OK?

    • Yes  : Repair the power steering as necessary. For additional information, refer to STEERING SYSTEM - GENERAL INFORMATION .
    • No  : Check and install new engine/transmission mounts as necessary. Repeat Road Test as outlined.
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