Semi Truck A/C Repair, Recharge, AC Compressor Replacement, AC Belt Replacement and Crank Pulley

Semi Truck A/C Repair, Recharge, AC Compressor Replacement, AC Belt Replacement and Crank Pulley

AIR CONDITIONING HEATING & SYSTEM REPAIR SHOP SERVICES

Semi AC Mobile Semi Truck Repair Company repairs and maintains air conditioners on trucks of various brands and models. Kenworth AC repair, Volvo AC repair, Freightliner AC repair, Peterbilt AC repair, Mack AC repair, International AC repair, Western Star AC repair, If your air conditioner starts to work poorly or for one reason or another is completely out of order, we will provide qualified repair with a branded quality guarantee.

AC Systems are much like a mother, who uses a sponge to soak up milk from a spilled glass. She soaks it up and then wrings the milk out of the sponge and into the sink. Similarly, an AC system soaks up heat in the cab using evaporation and then squeezes the heat into the outside air using condensation.

Let’s take a closer look. Air conditioners have two basic layouts: the expansion valve system and the accumulator system. Red Dot primarily uses the expansion valve system. With "ve basic components

1. Expansion device: A restriction in the liquid line of the system, purposely designed to cause a pressure drop.

2. Evaporator: A device that removes heat from the cab air by exchanging it into boiling refrigerant.

3. Compressor: Provides the mechanical energy to move refrigerant and manipulate pressures. This is the heart of the system.

4. Condenser: Designed to exchange heat from the refrigerant to the outside air. Similar to the evaporator.

5. Drier Filter Device: A storage container for extra refrigerant that usually contains a drying agent called desiccant and a filter to screen out contaminants.

Commercial Truck AC Repair Near Me

Semi truck air conditioner repair is something you can get done today while things are slow. Get your air conditioning worked on or recharged before the summer heat hits. They are forecasting a hot hot summer. Don't get caught in the blazing heat thinking about those days right now when things are slow and you have the time and extra money to get it done.

HOW AIR CONDITIONING WORKS

The term “making it colder” is somewhat misleading. After all, air conditioning units in commercial vehicles do not take cold air and blast it but rather transfer vapor refrigerant through a timely process to make air blow from warm to cool. If your wondering why your semi-truck is not blowing cold air, it could be several reasons.

Now that spring has arrived, and warm weather is here to stay, it is no wonder why truck drivers want to kick-start their A/C units and make routine maintenance, as necessary. Today, we will explore the components of an air conditioning unit; how air conditioning works; most common failures of A/C and how to fix the parts.

YOUR TRUCK’S AIR CONDITIONER

Air Conditioning CondenserA complete A/C system is made up of a few “C” parts and others that work in harmony to offer cooler air. These air conditioning parts include the: compressor, condenser, compressor clutches, condenser fans, evaporators, and heater control valves. If one breaks, it can create a snowball of effect of issues – but we’ll get into that later.

 

Semi Truck A/C Recharge – This is not an everyday job.

Project Description:

This semi truck was getting a bit hot inside the cab during the summer. The air conditioning was not cooling properly.

What We Did:
  • Using proper tools and equipment, we were able to find the leak.
  • Ordered all correct parts to repair the Air Conditioning system
  • Replaced all parts and recharged system with the proper refrigerant and proper amount.
  • Tested the system was cooling to 50 degrees!
  • Several months went by and it is still cooling properly!
  • Properly functioning A/C system should cool for a long time.
  • We normally work on all of the everyday vehicles Air Conditioning systems and services and sometimes on semi trucks too.

HOW YOUR TRUCK’S A/C WORKS

Your truck’s A/C working partially depends on the engagement and disengagement of the compressor clutch – which turns the compressor with help from a drive-belt.

The process starts with your truck’s a/c compressor. This pump takes low pressure vapor and expels it under higher pressure to a [metal fin] condenser (located in front of the engine’s radiator) which then, takes the vapor refrigerant and condenses it to liquid. Next is the help from an expansion valve – a tiny hose – that allows air to pass through to passenger compartments at a reduced size. The size of the line reduces the pressure of the liquid passed on from the condenser and forces evaporation. At this point, you may be thinking that evaporation will lead to warmer vapor; but hear us out. Now with help from the blower motor and evaporator, the evaporation process begins. After the blower motor routes the air flow to the evaporator, low pressure vapor absorbs the heat and disburses it from the inside into the atmosphere through the grill essentially ending the cycle – like it started. The cycle will repeat itself when the high-pressure liquid moves back through the expansion valve. Depending on the A/C unit, a receiver drier and accumulator may also be used to store liquid refrigerant and help trigger air movement.

Semi Truck A/C & Heating Parts

  • AC Condenser
  • Blower Motor
  • Air Conditioning Condenser
  • AC Evaporator
  • AC Compressor

CATEGORIES

  • Complete A/C SystemsComplete A/C Systems
  • A/C CompressorsA/C Compressors
  • A/C Compressor ClutchesA/C Compressor Clutches
  • A/C CondensersA/C Condensers
  • A/C Condenser FansA/C Condenser Fans
  • Cabin Air FiltersCabin Air Filters
  • A/C EvaporatorsA/C Evaporators
  • Heater CoresHeater Cores
  • A/C Receiver Driers & AccumulatorsA/C Receiver Driers & Accumulators
  • Blower MotorsBlower Motors
  • A/C Expansion Valves & Orifice TubesA/C Expansion Valves & Orifice Tubes
  • Heater Control ValvesHeater Control Valves
  • A/C Control UnitsA/C Control Units
  • A/C HosesA/C Hoses
  • Heater HosesHeater Hoses
  • A/C Relays, SensorsA/C Relays, Sensors
  • A/C ChemicalsA/C Chemicals

MOST COMMON A/C FAILURES

These A/C components, as well as other electrical parts such as sensors, must talk to each other to perform its function and minimize the risk of damage and pollution to the entire A/C system. Refrigerant leaks from hoses, O-rings, compressors, and evaporators is the most common type of AC failure. System contamination from blocked refrigerant can occur from weakened expansion valves; but the worst-case scenario is that the compressor is so polluted that it leads to a replacement of all A/C component parts.

HOW TO FIX A/C IN HEAVY-DUTY TRUCKS?

Check for leaks by conducting a dye-test in your HVAC system. You should check system sensors and see if you have any broken switches, as well. If your high-pressure switch is malfunctioning, it could lead to disturbances in air flow. Engine mold and other contamination may be a bigger issue that can lead to full system repair, as mentioned above. Check for leaks and damage to components, too.

Performing routine maintenance check-ups on your truck will help to avoid costly repairs down the road and leave you with cool air as you move throughout spring into the heat of summer.

 

DIAGNOSTICS, TROUBLESHOOTING, MAINTENANCE & REPAIRS

A/C SYSTEM REPAIR SHOP SERVICES FOR
ALL MAKES & MODELS

  • Diagnostic Troubleshooting
  • Full System Flush
  • Leak Detection
  • Refrigerant Recharge


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