Air Conditioning System Repair and Service

A-C System

Signs Your Air Conditioning  System Needs Service or Repairs

 

The air conditioning system is made up of a series of components that work together to keep you and your passengers comfortable as you drive. One of these components includes your car’s A/C compressor, which is powered by the engine, an expansion valve to regulate the flow of refrigerant, and the heat exchangers, the condenser and evaporator. Refrigerant is the magical element that travels throughout the system and transforms from a liquid state to gas and back to a liquid again.

Most of the time, air conditioning issues are the result of a lack of refrigerant in the system due to a leak. When there is little to no refrigerant in the system, there is a reduction in pressure preventing components from performing their tasks. Here are some of the most common car A/C issues:
 

No Air

If you get into your car and turn the air conditioner on full blast but get nothing, that's a problem. This issue can be caused by a few things:

  • A blown fuse
  • Failed blower motor or blower resistor
  • Blocked air intake
     

Strange Noises

Any kind of noise that wasn't there before is alarming. Most common A/C noises are rattling, banging, or humming. This issue could indicate:

  • An obstruction such as leaves or other debris in the system
  • Worn bearing
  • Failed compressor clutch
  • Blower motor bearings
  • Major component failure
     

Foul Odours

When you turn on your air conditioning, you shouldn't smell anything. Foul odors indicate the growth of bacteria such as mold, mildew, fungus, and other micro-organisms behind the dashboard on the evaporator. The foul odors are often caused due to:

  • Age of the vehicle
     
  • Infrequent use of the air conditioner
     
  • Moisture in the system due to excess condensation
     

Damp Floor

Moisture that is supposed to be directed outside of your vehicle gets backed up and starts to spill out onto the passenger's side floor. This is often the result of:

  • Clogged drain line
  • Excess condensation
     

Humid Air

When the air is cool but could be a lot colder and struggles to reach a comfortable temperature, this can be caused by:

  • Low refrigerant
     
  • Obstructed condenser or failed condenser
     
  • Obstruction in the system affecting the pressures
     

Unexpected Changes in Temperature

If the air was set to a cold temperature and was working sufficiently, but suddenly turns warm, it could be:

  • Failed expansion valve
     
  • Clogged evaporator
     
  • Low refrigerant causing a lack of pressure

Copyright 2020 Import Auto.  All Rights Reserved

Import Auto Logo from Screen Shot

214 Speedvale Ave. W., Unit 8
Guelph, Ontario, N1H 1C4
Please TEXT ONLY to
519 400-8228