Pontiac Lemans Gto A/c Center Duct Vent Air Conditioning Gm

Review PONTIAC 389 A/c Duct Vent Air Conditioning Gm for GM LEMANS GTO 400 1966–1967

1966-1967 Pontiac Lemans GTO Center Duct Vent Air Conditioning System

The 1966 and 1967 Pontiac Lemans GTO vehicles are iconic American muscle cars, known for their powerful engines and distinctive styling. Comfort and convenience were not overlooked in these classic cars, as evidenced by the availability of factory-installed air conditioning systems. One such system is the Center Duct Vent Air Conditioning (AC) setup. This detailed product description will delve into the features, functions, and implications of this vintage AC system.

The Center Duct Vent Air Conditioning system is a factory-installed climate control solution designed specifically for the Pontiac Lemans GTO models from 1966 and 1967. This particular system differs from other factory-installed AC setups in that it utilizes a centerline duct assembly that delivers cooled air to the passenger compartment through vents located along the car's dashboard. The system employs R12 refrigerant, a refrigerant commonly used in automotive air conditioning systems during that time.

1. Evaporator: Located in the passenger side footwell, the evaporator cools the air coming from the compressor using the refrigerant.

2. Compressor: This vital component compresses the refrigerant to build the necessary pressure to cool the air. The compressor is driven by the engine via a drive belt.

3. Condenser: Cooled by the engine coolant, the condenser converts the high-pressure, high-temperature refrigerant into a liquid.

4. Orifice Tube: A metering device, the orifice tube helps regulate the pressure and, in turn, the flow of the refrigerant. This ensures that the right amount of refrigerant is used for optimal cooling.

5. Thermal Expansion Valve: Positioned before the evaporator, the thermal expansion valve also plays a crucial role in controlling the refrigerant flow and enabling the AC system to maintain the desired temperature.

6. Dashboard Controls: A moeter with a selector dial, located on the dashboard, regulates the flow of air from the vents. It also allows the driver to switch from warm to cool air.

7. Ventilation Ducting: This component, located above the glove box and between the driver and passenger, directs the cooled air to the dashboard vents.

1. Warm outside air is drawn in via the grille and blower fan.

2. The air passes through the evaporator, where the refrigerant, following its phase change from liquid to gas, absorbs the excess heat from the air.

3. The now cooled air is distributed via the centerline duct assembly to the vents located in the dashboard.

4. The hotter refrigerant moves through the compressor, where its pressure and temperature increase.

5. The now high-pressure refrigerant travels through the condenser, where it cools down while releasing thermal energy to the engine coolant.

6. The refrigerant then passes through the orifice tube, where the pressure is regulated, and the thermal expansion valve, where it prepares for a new cooling cycle by condensing back into a liquid state.

1. Refrigerant leaks Regular inspections for leaks can prevent further damage.

2. Electrical faults The wiring system can deteriorate over time; regular testing is essential for a healthy AC system.

3. Compressor problems Periodic inspections can detect any wear or damage early on, reducing the risk of extensive repairs.

The Center Duct Vent Air Conditioning system offered in the 1966 and 1967 Pontiac Lemans GTO vehicles added a level of comfort and convenience to the driving experience that was, at the time, a luxury. This detailed explanation of the system's components, functions, and maintenance requirements provides a greater appreciation for the engineering and innovations of the era. For enthusiasts and collectors, understanding this classic feature will enhance their enjoyment and enjoyment of these beloved American muscle cars.

Buying a Pontiac 1966 or 1967 Lemans GTO with the center duct vent air conditioning system (Pontiac 400 389) has its advantages and disadvantages. Here are some of the key pros and cons to consider before making a decision:

1. Rare and Collectible: This specific model and feature is not common among all GTOs, making it an attractive and collectible option for classic car enthusiasts.

2. Desirable Feature: The center duct vent air conditioning system was an upgrade from the standard rotary vents and provided better cooling to the passenger compartment.

3. Improved Comfort: The center duct system offers a more consistent temperature throughout the car, making for a more comfortable driving experience, especially during hot weather.

4. Originality: Keeping the original air conditioning system in the car adds to its authenticity and value for collectors.

1. Cost: The rarity of this model and the desirability of the air conditioning system can lead to higher prices for these vehicles.

2. Maintenance: Older air conditioning systems can be notoriously difficult and expensive to maintain, especially if the components have deteriorated over time.

3. Power Loss: The air conditioning system can decrease engine power due to the added load during usage.

4. Decreased Fuel Efficiency: The air conditioning system increases the car's fuel consumption, decreasing its overall fuel efficiency.

The decision to buy a Pontiac 1966 or 1967 Lemans GTO with the center duct vent air conditioning system depends on your preferences and priorities. If you're an enthusiast, a collector, and want a rare and desirable feature, then this model is a great choice. However, if you're concerned about maintenance costs, fuel efficiency, and power loss, this might not be the best option for you. Carefully consider the pros and cons, and consider how important these factors are to your car buying decision.

If you are decided on buying this specific model, we recommend having the air conditioning system inspected and serviced by a professional before purchasing. Additionally, be prepared for potentially higher costs associated with ownership, as it is a collectible classic car with a unique feature. If you're looking for a more cost-effective and easier to maintain option, consider a standard GTO without the center duct vent air conditioning system.

Details:

Original 66 67 Lemans Gto ac vent duct. Please see pictures for more detail. Good used condition.

specifications aircondiheat:

• for models: Gto, 400, Lemans
• for makes: Gm
• for years: 1966–1967
• brand: Pontiac
• part type: Duct Vent Conditioning
• ipn: 400 389
• vintage part: Yes

payments aircondiheat:

• other
• credit card: mastercard
• wallet: apple-pay

shipping aircondiheat:

• type: fixed
• service: standard
• transit: 4-9 days
• class: standard

seller aircondiheat:

• city: akron, new york
• # reviews: 2581
• rating: 100.0%

general aircondiheat:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating

offer aircondiheat:

• availability: in stock
• started: september 9, 2024
• sold #: 27
• price: $245.00
• item condition: Used
• in stock #: 1
• options: ship-to-home

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• policy: no returns