Thursday, June 21, 2012

1996 Lincoln Town car: Air conditioner Compressor will not engage?

A/C not cooling.A/C cooling fans not operating.Also compressor not getting engaged.

This is not a one part problem,there are several reasons that can cause this problem.

There could be several reasons causing A/C compressor not to engage.

It could be A/C cycling switch, high pressure cutout switch, Wide Open Throttle cutout relay, A/C compressor clutch or wiring issue.

  • First of all make sure your A/C system is fully charged.
  • If OK, check if you get any power to the A/C clutch( coil). 
  • If you get power, then the coil is bad.
  • If no power to the clutch, then check A/C cycling switch( low pressure switch) witch should be closed as long as the system has pressure.
  • If ok, then check the high pressure switch which should be closed as long as the system pressure does not exceed 425 PSI.

This details will help.

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