Climate Control Archives - UnderhoodService
Dorman Launches 300+ New Products In November

Among the new products is an OE FIX climate control module designed to fit 1.7M Chevrolet Express & GMC Savana vehicles.

Curing Springtime Air Conditioning Smells

Air conditioning scents can come from a host of things.

Driveline System Balance Adjustment Using an Electronic Vibration Analyzer

2005 Saturn Truck VUE AWD V6 3.5L VIN 4

VIDEO: Diagnosing The A/C Compressor Clutch

Andrew Markel discusses the clutch on the A/C compressor, and the signs to look for in your diagnostic to confirm its operation. Sponsored by Valeo.

HVAC Sensors: More Than Just Temperature

HVAC systems have come a long way in the past 15 years. While the basics of heating and cooling may be the same, the controllers and sensors have improved dramatically. No longer does a driver have to worry about dealing with fogged-up windows or bad smells driving behind a semi-truck.

Servicing R1234yf: Are You Ready?

R-1234yf, tabbed the replacement for R-134a, has been in service now for a few years on certain models of vehicles from FCA and GM to several European models.

Air Conditioning Odor Causes And Cures

Air conditioning odors typically result from the uncontrolled growth of bacteria and other microorganisms in the evaporator. Research by independent laboratories has found fungi such as Aspergillus, Cladesporium, Penicillium and others growing on cooling coils and other A/C system areas.

A/C Oil Service: Achieving Balance

HVAC systems often fail because the air conditioning compressor fails. Not following the proper service procedures or compressor oil recommendations could be factors that contribute to premature compressor failure.

HVAC Sensors: More Than Just Temperature

When a driver sets a temperature in the control head of an HVAC system, what does it mean to the vehicle? Seventy-two degrees could mean many different settings depending on the outside temperature, humidity and even the position of the sun.

Nearly 5,000 To Participate In Auto Value, Bumper To Bumper ‘Festive Walk’ To AAPEX 2018

On Thursday, Nov. 1, nearly 5,000 Auto Value and Bumper to Bumper automotive professionals wearing matching yellow shirts will begin their “festive walk” from the Mirage hotel to AAPEX 2018 at the Sands Expo, temporarily shutting down the busy Las Vegas Boulevard along the way.

Drive Belt Checklist: What Are You Missing?

You might have only one chance to sell a customer a new serpentine belt. With belts lasting roughly 90,000 miles, proper inspection at the time of failure is critical not only for selling the belt, but also for ensuring add-on sales and better customer satisfaction.

3 Reasons To Replace Cabin Air Filters In Winter

Often driven by an “out of sight, out of mind” mentality, most consumers don’t think about purchasing cabin air filters. That’s why educating consumers on the benefits of cabin air filters can be a shop’s best sales pitch for selling these maintenance add-ons.