Free Car Diagnostics

Showing posts with label Car airconditioning. Show all posts
Showing posts with label Car airconditioning. Show all posts

Mildew Odor Comes Out the AC Vents

The air that comes out the air conditioning vents has mildew odor. The reason for this problem is that the drain pan is not draining.

 

1998 Blazer AC is Blowing Hot Air

 We received a lot of email query about a 1998 blazer hot air blowing air conditioning system, so instead of answering the email one by one we decided to discuss the problem.


Diagnose and Repair Car Air conditioning System

Principles of air cooling of AC system
The principle that is applied to the automotive air conditioning system is that when liquid turns into a vapor it will absorb heat so that the surrounding area cools down. It is similar to the principle that when a body is wet and the perspiration is exposed to the wind the body will feel cool.

Refrigerant flow
The illustration is shows basic structure of the air conditioning system of an automobile. The cycle is that the refrigerant changes state from liquid state to vapor state and back to the liquid state again. The liquid becomes gas when the refrigerant absorbed heat and the surrounding becomes cool, then the gas is compressed making the refrigerant temperature to rise, now as the gas cools down it will return to liquid state.

Car AC Blows Air with mildew Odor

When the car air conditioning is turned on, the air that comes out the air con vents is with mildew odor.


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My Car AC is Blowing Hot Air

Car Ac is blowing hot air suddenly or is blowing hot air slowly over time. Cold air is usually coming out the ac vent when the ac switch is turned ON, however, after turning the ac switch ON, the ac vents are blowing hot air.


Do it yourself

Step by step do it yourself easy to understand basic car maintenance for the car owners.

How to Install a Car Battery

While engine is running, use the meter to check the alternator and voltage regulator output. This is very important because a faulty alternator or voltage regulator can cause a premature battery failure and you do not want this to happen.

How to Check Tyre Pressure

The tyre thread life could reduce if the tyre pressure of your car is under what the car manufacturer specified on your car owner’s manual.

How to Change a Flat Tire

When you encounter a flat tire while you drive your car the first thing to do is to pull off the road away the traffic as possible.

How to Recharge a Car Battery

Before attempting to recharge car battery always make sure that the battery is at room temperature (60 °F to 80°F). Also, when it is extremely cold remove the battery from the car and bring it indoors to allow the battery to become warm before begin the charging.

How to Disconnect a Car Battery

Do you know how to disconnect a car battery? Suppose you want to clean or replace the battery and needed to disconnect the battery to make the job well then here is what to do.

How to Replace Windshield Wipers

When you have a car it is important that you have knowledge with basic car maintenance like this simple step on how to replace windshield wipers.

How to Jump Start a Car Battery

Jump a starting car is easy but should be done correctly so that accident such as a battery explosion can be avoided that may result to the damage of your car or worst injured you.

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