Air Injection Systems: Maintenance: Notes

1976 Jaguar XJ12LSECTION Notes

At regular intervals complete system should be checked for proper operation. If air pump has a pressure relief valve located on pump housing, valve may be replaced. The centrifugal fan filter, if equipped, may be replaced. Anti-backfire valve, diverter valve, or check valve(s) are not serviceable and must be replaced as an assembly

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.