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When the air conditioner in your 2003 Buick Regal starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your Regal consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 2003 Buick Regal: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs.
Minor transmission fluid leaks can often be fixed with the right sealant - see how to do this2003 Buick Regal LS 3.8L V6
Did you know that heat is worse for your battery than cold? Replace it every 4 years2003 Buick Regal LS 3.8L V6
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2003 Buick Regal LS 3.8L V6
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2003 Buick Regal LS 3.8L V6
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2003 Buick Regal LS 3.8L V6
Low coolant levels is all to common - top yours up today2003 Buick Regal LS 3.8L V6