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Surviving The Summer Heat Wave
Extreme heat is the primary enemy of your A/C system. To avoid untimely breakdowns and ensure that your Vintage Air system operates at peak efficiency, you must inspect the entire cooling system before heading out for a summer of cruising.
Throughout our 25 years of experience, we have found that common items are often overlooked as causes of air conditioning failure. 

Belts: All belts must be tightened properly and in good condition. Belt slippage can be a major problem. If the belt is stretched to the point that it rides in the bottom of the groove, it will not grip the pulley: eventually slipping and breaking apart. 

Cooling System: Inspect radiator cap, rubber gasket must be in top condition for proper seal (replace if hard or cracked). Anti-freeze or coolant should be clean (no rust or dirt). Radiator should be clean inside, no corrosion to inhibit coolant flow. All fins should be straight and light should pass easily through the entire core. Engine or very heavy-duty electric fan should be used in conjunction with a shroud.

Insulation of cab area: Check for any new air leaks such as window or door seals. Check floorboard and firewall for excessive temperatures. This ensures the unit will not sweat excessively.

A/C system: Check hoses for oil residue or for areas that have been exposed to high heat 
( near engine block, exhaust manifolds); any cracks or distorted areas should be checked by a certified technician. 
Condenser Fins should be straight and have no blockages that may inhibit airflow. (Car washes are notorious for killing condensers; never direct a pressure nozzle directly at the condenser fins.) 
If the air from the ducts does not feel cold, you may have a low refrigerant charge. The refrigerant charge is critical to proper oiling of the entire A/C system and a higher or lower than normal charge could cause damage to all mechanical parts involved. Consult a professional A/C service technician and see our technical and troubleshooting section for proper charging specifications on all Vintage Air systems.

 

 

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Vintage Air, Inc. 18865 Goll St. San Antonio, TX 78266 Phone: 1-800-862-6658 Fax: 210-654-3113