Extending Car Air Conditioners, Adding Lube to Antifreeze and Altering Catalytic Converters

Car repair tips from MOTHER's Mechanic column includes extending car air conditioners, adding lube to antifreeze, tight lug nuts and altering catalytic converters.

MOTHER's Mechanic columnist Jon Gail Blair.
The single most important thing about all air conditioners is to use them every day.

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