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What to Do When the Car Air Conditioning Compressor Fails to Start?

2 Answers

BrynleeDella

09/05/25 4:25am

Air conditioning compressor failure to start can be caused by issues with the AC contactor, improper use of the air conditioning system, among other factors. Below are detailed reasons and solutions for car air conditioning compressor failure to start: 1. Reasons for car air conditioning compressor failure to start: Problems with the AC contactor, broken connection wires between the indoor and outdoor units leading to no power supply to the outdoor unit, improper use of the air conditioning system, and damage to the control board can all cause the air conditioning compressor to stop working. 2. Measures to solve car air conditioning compressor failure to start: Focus on checking for open circuits or wiring errors and correctly troubleshoot the issues. Replace new wiring in time and carry out timely repairs or replacements.

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DelOlive

09/17/25 4:57am

When the car's air conditioning compressor fails to start, I begin by checking the simplest component: the fuse. Locate the compressor's fuse in the fuse box (usually under the hood or dashboard) to see if it's blown or loose; if damaged, replace it with a new one. If that doesn't solve the issue, the problem might be the relay—it controls the compressor's startup. Find it in the same location, remove it, give it a shake, or try replacing it. Next, inspect the electrical connections: check if any plugs are disconnected or if wiring is damaged/corroded. Use a multimeter to test voltage; if no power is detected, the switch or sensor may be faulty. Additionally, insufficient refrigerant can trigger the compressor's protection mode (automatic shutdown to prevent damage), requiring a refrigerant recharge—though DIY attempts are risky, so professional service is recommended. A broken or worn belt can also prevent compressor operation; pop the hood to inspect belt tension. The entire process takes about 20 minutes, but if unresolved, visiting a repair shop is safer to avoid heat discomfort—driving safety comes first.

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What to Pay Attention to When Selling a Used Car?

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Should Car Window Tint Be Applied on the Inside or Outside?

Window tint should be applied on the inside of the car glass. Applying it on the inside makes it less prone to scratches and helps protect the occupants of the vehicle. Additionally, applying the tint on the inside extends its lifespan, as it is less exposed to external disturbances and weathering, ensuring a more secure adhesion without issues like peeling corners. Below are some relevant details: 1. Car window tint involves applying a thin film to the front and rear windshields, side windows, and sometimes the sunroof. This film, also known as solar film or explosion-proof insulation film, primarily blocks ultraviolet rays, reduces heat, and prevents injuries from sudden glass shattering. It also provides privacy through its one-way visibility feature. 2. If applied on the outside, the film would be exposed to weathering, leading to faster aging and reduced effectiveness in heat and explosion insulation. Therefore, car window tint is always applied on the inside.

Is the 7-seater Wuling Hongguang S eligible for the six-year exemption from inspection?

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