2002 GMC Denali ac quit blowing cold air in rear control unit 2 years ago and now this year the front quit blowing cold

Asked by GuruTL2H1 Jun 29, 2018 at 08:42 AM about the 2002 GMC Yukon Denali AWD

Question type: Maintenance & Repair

2002 GMC Denali ac quit blowing cold air in rear
control unit 2 years ago and now this year the front
quit blowing cold this year. Comprssor kicks in and
stays on it does not cycle like its low on freon.
Tried adding a can and it does not take so
shouldn't be low on that. Where do I look next?

1 Answer
64,510

firebird338 answered 5 years ago

A.C condenser clogged with dirt and bugs causing little to almost no air flow across the clean with garden hose and nozzle. If radiator sets in front of condenser clean also so that you can get good air flow to condenser.

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