Frozen ac pump

Troubleshoot loud noise

My car has 1290832 miles.
My car has an automatic transmission.Changed water pump now its the ac pulley seems frozen and not turning

Experienced mechanics share their insights in answering this question :
If the a/c compressor pulley does not turn and is seized you will need to see if the inside compressor clutch shaft is seized or the compressor pulley bearing is seized. Sometimes the pulley bearing seizes and ruins the front of the compressor. Depending if the compressor or pulley bearing is seized you will need to replace the compressor.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

What Can Cause a Frozen Compressor? A clogged air filter that`s limiting the amount of air that`s moving over the cooling coil. Insufficient refrigerant or too much refrigerant that are causing icy buildup while destroying your compressor. A broken blower motor that`s not funneling warm air over the cooling coil.
Air conditioners need proper airflow to keep the cold air coil warm. Without it, coils freeze before the condensed water can be drained from the unit. So, if your AC compressor is caked with ice, the first step is to check the system`s air filter and registers.
The most common reasons a Ford F-250 Super Duty ac isn`t working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. You may not realize there`s a refrigerant leak until the air conditioner stops blowing cold.
Signs Of a Frozen Air Conditioning System

The most obvious sign is a lack of air coming out of your vents and the temperature in your home rises. The ice in the coil has restricted the airflow causing the supply air to basically trickle out of the vents.

Generally speaking, any temperature below 40 degrees Fahrenheit is a major red flag when it comes to operating an industrial air compressor. This is largely because if it gets any colder, condensate freeze and component freezing can occur, which can impact the workings of the entire system.
Loss of refrigerant: This is the #1 way a compressor might die years before its time. The amount of refrigerant in an air conditioner is specially set to work with the compressor. If the AC loses refrigerant through leaks, the imbalance will eventually cause the compressor to overheat.
Your car is not safe to drive since the air compressor is operated by the same drive belt as the remainder of the engine (serpentine belt). Because the AC compressor has seized, this could cause the belt to lock up other components resulting in major engine damage.
Compressors generally last the lifetime of a car, or approximately 12 to 15+ years depending on how well the car is looked after. In saying that, it`s important that you regularly check up on and service your car to prevent premature failure. Some ways you can tell if something is failing can include: Leaks.
The most common culprit behind a frozen AC is a dirty or clogged air filter, so check your air filter as you wait for the unit to thaw out. Pro tip: Check your filter as soon as you turn the thermostat to OFF. The longer you wait, the more likely the ice will melt onto your air filter and create a dirty puddle.
AIR CONDITIONING COMPRESSOR BYPASS PULLEYS. If the AC compressor on your classic car has stopped working and you would rather not replace it, installing an AC compressor bypass pulley is a viable option for safely and efficiently removing your factory AC compressor.
No! The clutch in inside the “bell housing”, attached between the engine and gearbox. One cannot see the clutch, therefore one can`t “ spray WD40 “ on it! Anyway lubrication would cause it to slip.
AIR CONDITIONING COMPRESSOR BYPASS PULLEYS. If the AC compressor on your classic car has stopped working and you would rather not replace it, installing an AC compressor bypass pulley is a viable option for safely and efficiently removing your factory AC compressor.
No! The clutch in inside the “bell housing”, attached between the engine and gearbox. One cannot see the clutch, therefore one can`t “ spray WD40 “ on it! Anyway lubrication would cause it to slip.
A compressor will hard-start when it has difficulty overcoming the pressure difference inside it. This can be due to a failing capacitor, trouble with the compressor`s motor, or wear and tear inside the compressor itself.
A compressor will hard-start when it has difficulty overcoming the pressure difference inside it. This can be due to a failing capacitor, trouble with the compressor`s motor, or wear and tear inside the compressor itself.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Engine crank, no coil spark, fuel pump does not kick in.
ANSWER : Hi there. There could be multiple issues causing your lack of spark problem, ranging from a minor electrical short in the main relay to an issue with your ECU. In order to know for sure, you should have a professional mobile mechanic complete an electrical problems inspection.

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2008 VW Jetta AC not cold
ANSWER : Hi Allen. By far the best way to have your AC system correctly diagnosed is by having an AC inspection completed first. By having one of our professional mobile mechanics come to your location to diagnose the issue correctly, it significantly minimizes the mistakes in completing the wrong service. In your case, the issue could be as simple as needing to have the AC system recharged, or there is an existing leak that needs to be repaired before refilling the refrigerant. Best economic bet is to have the AC inspection completed first.

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Fuel pump not pumping gas. 1996 Chevrolet Blazer
ANSWER : Hey there, thanks for writing in about your 1996 Chevrolet Blazer. If you hear the pump, but still get no fuel out of the pump, then you have the power and ground backwards in the wiring or they have it backwards on the pump. If you need help having this checked, a certified professional from YourMechanic can inspect the starting issue and let you know what repairs are necessary.

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Can a jeep run and drive without a water pump??
ANSWER : Driving or running the engine without the water pump working to circulate the coolant through the motor will cause the motor to overheat and may damage the engine costing thousands of dollars versus using a tow truck to take the vehicle to the shop that will cost a lot less. I would not recommend running the engine more than a few minutes at a time or you will overheat it.

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Fuel pump will not kick on.
ANSWER : With fuel issues such as these, there are a few things to consider first. If the fuel pump and all of that has already been replaced, then it is likely the issue is not with the fuel pump itself. The fuel system is controlled by the cars ECU and relies on the input from various sensors such as the oil sending unit and engine coolant temperature.

If any fault is found in the system, the ECU may not allow the fuel pump to run. The low voltage when cranking is a little strange, the most common cause of that would be that the battery is weak. If the battery is weak it may show 12 volts but will not have enough power to run any of the systems. A qualified technician will have little trouble diagnosing this battery fault firsthand and perform any repairs required to get your pump working again.

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My water pump is leaking but I replaced timing belt and pump a year ago. Can I just replace the water pump this time?
ANSWER : Hello. You can just replace the water pump in this case. Although, the cost of just the timing belt is fairly negligible in comparison to the total labor of the job. My estimator says the water pump is a 6.5 hour job. Multiply that by whatever the shop rate is and you have the total labor without parts. You end up saving about $100 or less on parts if you only replace the pump.

The deciding factor will be the condition of the timing belt. If it has problems, you won’t be saving yourself any money by reusing it. In addition, there are seals and pulleys that may need to be replaced as well.

Assuming all the related parts were replaced the first time around, there isn’t a reason you can’t reuse them. I would say you should weigh the savings of reusing them against the actual condition of the parts. This is best determined after a complete disassembly. Keep in mind, time estimates will vary a bit depending on many factors. Either way, the labor is the largest cost.

If you would like to have the water pump replaced, a certified professional from YourMechanic can come to your car’s location to perform this service at your convenience.

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when I turn my ac on my cars idle drop and stalls out and the ac is hot
ANSWER : Hello, thank you for writing in. Although the pulley is still spinning, the compressor has likely failed. If it is not properly regulating pressure in the system, one of the first signs is a warm air conditioner. Considering yours is not cooling off, the pressures are not correct. If you believe the compressor is working correctly, you may want to check for a clogged line before replacing it. Keep in mind, a blocked line has likely put extra strain on the compressor, and may cause premature failure. For more help with testing or replacing the compressor, contact our service department to schedule an appointment.

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The power steering pump seal keeps breaking when pump is replaced.
ANSWER : There may be a restriction in the power steering high pressure line causing an excessively high amount of pressure in the line and the pump. If the belt tensioner for the power steering belt is a manual tensioner that can be adjusted, the tension may be too tight causing a high load on the bearings at the power steering pump drive shaft. You can try having the power steering system flushed to see if this will clear any blockages and be sure to use an OEM quality power steering pump as some aftermarket components are not manufactured as well as the originals. Consider hiring an experienced technician like one from YourMechanic who can come out for a closer inspection of the vehicle in order to offer a more personal diagnosis if your power steering concerns.

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