AC Compressors, Uncategorized

Why does my A6 compressor keep leaking & slinging oil?

We get a lot of questions regarding General Motors' A6 "long-style" air conditioning compressor and leaks.  We are focusing on the A6 because it is notorious for leaking, but our advice here applies to...

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Air Conditioning, Uncategorized

Turn Of The Screw – Adjusting Tecumseh Or York Compressor Service Valves On Your Car’s AC

Working with vintage auto air conditioning systems is a labor of love for us and we like to share tips and tricks-of-the-trade for maintaining these old systems. A recent customer of ours purchased a...

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Air Conditioning, Uncategorized

Replacement Aftermarket A/C Defrost Duct for Chevelle Years 1970, 1971, 1972

Walls Are Twice as Thick as Original GM Part# 3963756 Question: What do you get when you mix thin gauge plastic with radical temperature shifts from hot to cold and back again? Answer: Warping and...

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Air Conditioning, Uncategorized

1969 GTO Upgrade: Cable-Free Electronic Air Conditioner Controls Now Available

The 1969 Pontiac GTO has gotten its own Perfect Fit air conditioning system with DER – Fully Electric Controls. Pontiac enthusiasts everywhere will be cheering the fact that the previously inaccessible blower switch has...

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Converting to R134a Refrigerant, Uncategorized

Converting Classic Ford Muscle Cars to 134a Refrigerant

Cars with air conditioning systems manufactured before 1995 used R-12 Freon, a refrigerant which is considered by many to be harmful to the ozone layer and no longer produced in most countries. The current  industry...

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Re-Charging AC Systems with R134a, Uncategorized

Charging Your Retrofit Air Conditioning System: 3 Important Safety Tips

Note: Charging procedures for the Perfect Fit retrofit air-conditioning systems by Classic Auto Air are different than most modern air-conditioning systems. Please read and follow all procedures and safety precautions carefully. So you've bought and...

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