If the system cannot hold vacuum the needle moves towards zero after around 10 minutes , there's a leak and introducing freon refrigerant will be a waste of time and money. Please choose which areas of our service you consent to our doing so. Getting Started Prepare for the repair.
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Locate Port How to access the low pressure port. Option 2: Comments are not for promoting your articles or other sites. Hardlymoving writes about do-it-yourself automobile maintenance on various makes and models.