There are times when the AC compressor in your vehicle stops working, but you still need the other components of the system to function. In such cases, you may need to bypass the AC compressor. Let’s explore some important aspects of bypassing the AC compressor.

Understanding the AC Compressor

The AC compressor is a vital component of the air conditioning system in a vehicle. It’s responsible for circulating the refrigerant and pressurizing it so that the system can function effectively. When the AC compressor stops working, it can affect the overall performance of the air conditioning system.

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How to Bypass the AC Compressor

There are a few methods you can use to bypass the AC compressor. One common approach is to use a smaller belt. By using a smaller belt, you can bypass the AC compressor and ensure that the other components of the system can still function properly. It’s important to consult with an experienced mechanic or refer to the vehicle’s manual to understand the specific requirements for bypassing the AC compressor.

Steps To Bypass The Ac Compressor

When bypassing the AC compressor, it’s crucial to ensure the correct installation of the serpentine belt. The ribbed side of the belt should typically align with grooved pulleys, while the smooth side interacts with smooth pulleys. Placing the ribbed edge on a smooth tensioner pulley is not recommended as it may lead to improper functioning or wear.

Here’s how you should proceed:

1. Check Belt Orientation: Ensure the ribbed side of the belt is consistently aligned with grooves on the crankshaft and power steering pulleys.
2. Align Properly with Tensioner: The smooth tensioner pulley should have contact with the belt‘s smooth side.
3. Consult Your Vehicle’s Manual: Always verify with the specific service manual or technical guidelines for your vehicle model to obtain the correct belt routing diagram.

By following these steps, you can prevent potential damage and ensure efficient vehicle operation.

For bypassing the AC compressor on a 2003 Eclipse GS, you’ll need a 43-inch belt. A suitable option is the Dayco belt with part number 5050430. This size and type will allow you to effectively bypass the AC compressor without any issues. You can find these belts at most auto parts stores.

Here are the steps you can follow to bypass the AC compressor using a smaller belt:

1. Detach the wiring that energizes the clutch of the AC compressor.
2. Install the smaller belt, ensuring it fits securely and runs smoothly on the pulleys of the other components.
3. Test the system to ensure that the bypass has been successful and that the other parts of the AC system are functioning as intended.

To adjust the power steering pump and tensioner while bypassing the AC compressor, you’ll need a few essential tools. Here’s a breakdown of what’s required:

Tools Needed

1. 12mm Deep Socket
   • Essential for accessing and removing the top bolts, especially the one on the passenger side, which can be reached through a hole in the pulley.
2. 12mm Wrench
   • Handy for loosening the bottom passenger side bolt. A wrench offers better control in tight spaces where a ratchet might not fit comfortably.

These tools will help efficiently adjust the power steering pump and tensioner. Always ensure you have a reliable socket set and wrench collection to manage these adjustments effectively.

How to Measure the Correct Belt Size for Bypassing the AC Compressor

When you need to bypass the AC compressor in your vehicle and find the right belt size, follow these steps:

1. Gather Your Tools: You’ll need a piece of string or a flexible measuring tape.
2. Route the String: Run the string around all the pulleys in the engine setup, ensuring you skip the pulley on the AC compressor. This simulates the new path the belt will take.
3. Measure the String: Once the string is in place, mark where it completes the loop. Then, remove the string and measure its total length. This will give you the approximate size of the belt needed.
4. Visit an Auto Parts Store: Armed with your measurement, visit an auto parts store and ask for a belt matching the specific length you’ve determined.

By using this method, you can ensure that you select a belt that fits properly after bypassing the AC compressor.

Using a Smaller Rib Size Belt to Bypass the AC Compressor

Absolutely, it’s feasible to use a belt with a smaller rib size when bypassing the AC compressor. This technique dates back to the muscle car days and remains effective today.

Key Considerations:

• Compatibility: Switching to a smaller rib belt typically involves using a belt with fewer ribs. For example, while some setups might originally use a five-rib belt, others have successfully switched to a three-rib belt.
• Harmonic Balancer Adaptation: By employing an aftermarket harmonic balancer, like the 2G model, you can streamline the conversion process. These balancers are often designed to work with smaller rib belts, making them a practical choice.
• Maintaining Belt Tension: One of the biggest concerns when altering belt size is maintaining adequate tension. Fortunately, the tensioner pulley plays a pivotal role here. It ensures the belt remains tight, minimizing the risk of any wobble or slippage during operation.

Benefits of Using a Smaller Rib Belt:

• Efficiency: A smaller rib belt can potentially reduce unnecessary drag on the engine, improving overall efficiency.
• Cost-Effective: Smaller belts may be more affordable than their larger counterparts, providing a budget-friendly option for those looking to tweak their setup.

By implementing these adjustments, you can effectively bypass the AC compressor without compromising engine performance. The key is ensuring all components work harmoniously to maintain optimal tension and function.

How to Adjust the Tensioner and Power Steering Pump for Correct Belt Tension

Achieving the right belt tension requires some adjustments to both the tensioner and the power steering pump. Here’s a step-by-step guide to help you through the process:

1. Select the Correct Belt Length
   • Before beginning, ensure you have the correct belt for your vehicle’s specific requirements. A 43-inch belt is a common choice for many models.
2. Prepare the Power Steering Pump
   • Start by removing the top two bolts from the power steering pump.
   • Loosen the bottom bolt. This allows you to gently move the pump and pulley backward, creating enough space for the belt to be positioned around the crank and power steering pulleys.
3. Position the Belt
   • Carefully route the belt over the pulleys. While the pump is moved back, it should be easier to slip the belt onto the necessary components.
4. Adjust the Tensioner
   • With the belt in place, work on the tensioner by significantly loosening it. This step is crucial to eliminate any slack that might prevent proper belt operation.
   • Once the belt is successfully positioned, re-tighten the tensioner to apply the required tension to the belt.
5. Secure the Power Steering Pump
   • Push the power steering pump back into its original position.
   • Fasten the top bolts back in place and ensure the bottom bolt is securely tightened. This stabilizes the pump, helping to maintain consistent tension.
6. Final Check and Adjustments
   • After everything is bolted back, double-check the belt‘s tension. Ensure there’s no excessive slack.
   • If necessary, make small adjustments to the tensioner until the belt is tight enough to operate efficiently but not so tight that it causes undue stress on the components.

By following these steps, you can effectively adjust both the tensioner and the power steering pump to ensure your belt operates with the right amount of tension, contributing to the optimal functioning of your vehicle’s engine components.

Adjusting the Power Steering Pump to Fit a New Belt When Bypassing the AC Compressor

Tools You’ll Need

• 12mm deep socket
• 12mm wrench

Step-by-Step Guide

1. Select the Correct Belt Size:
   • Obtain a 43-inch belt suitable for your vehicle. Check compatibility with the crank pulley and power steering pulley.
2. Prepare the Power Steering Pump:
   • Loosen the top two bolts of the power steering pump using a 12mm deep socket. These are located at the top driver and passenger sides.
   • The driver side bolt is straightforward to handle, while the passenger side bolt requires accessing through the side hole of the pulley.
3. Adjust the Bottom Bolt:
   • Use a 12mm wrench to loosen the bottom bolt located at the bottom passenger side. There’s no need to completely remove it.
   • This adjustment allows the pump and pulley sufficient movement.
4. Install the New Belt:
   • With the pump slightly loosened, push it backwards to create the necessary space to fit the new belt over the crank and power steering pulleys.
   • Apply some force if needed, but ensure not to overstress any components.
5. Tighten the System:
   • Once the new belt is securely in place, retighten the bolts on the power steering pump.
   • Adjust the tensioner to ensure the belt is taut but not overly tight, correcting any minor slack from the initial installation.

Following these steps will enable you to bypass the AC compressor while effectively adjusting the power steering pump for the new belt installation.

How to Bypass the AC Compressor on a 2003 Eclipse GS 2.4L Engine

If you’re looking to bypass the AC compressor on your 2003 Eclipse GS with a 2.4L engine, follow these steps to keep your vehicle running smoothly without air conditioning. This can be especially useful if your AC pulley has seized or if you want to delay repairs.

Materials Needed:

• A length of string
• A measuring tape
• A 43-inch serpentine belt (ensure it’s suitable for your vehicle model)
• A socket set, including a 12mm deep socket
• A 12mm wrench

Step-by-Step Instructions:

1. Measure for Belt Size
   First, take a piece of string and loop it around all the pulleys, excluding the AC compressor. Measure the string to determine the length of the belt you will need. A commonly used size is 43 inches.
2. Get the Right Belt
   Visit an auto parts store and request a 43-inch belt. Confirm the part is compatible with bypassing the AC on your specific vehicle model.
3. Loosening the Power Steering Pump
   • Start by removing the top two bolts of the power steering pump. This allows flexibility to maneuver.
   • The driver’s side bolt is straightforward, but for the passenger’s side bolt, use the 12mm deep socket through the pulley’s side holes.
   • Use a 12mm wrench to loosen, but not remove, the bottom bolt on the passenger side. This loosens the pump enough to shift it slightly.
4. Installing the Belt
   • Loosen the tensioner significantly.
   • With the power steering pump slightly moved, fit the 43-inch belt over the crank pulley and the power steering pulley.
   • Once in place, tighten the power steering pump bolts back to secure the position.
5. Tensioning the Belt
   • With the belt installed, ensure there is a slight slack, which the tensioner can adjust to secure proper tightness.
   • Make any necessary adjustments to the tensioner to ensure the belt operates smoothly.

Helpful Tips:

• Make sure the new belt is securely positioned on each pulley before starting the engine.
• Re-check tension and all bolt positions after a short test drive to ensure everything remains in place.

By following these steps, you can effectively bypass the AC compressor, allowing your vehicle to operate without the need for air conditioning. This solution helps you extend your car’s life while preparing for future repairs.