Heating / Cooling Archives - Page 137 of 149 - UnderhoodService
40-Year-Old Volvo

Starring at an auto show near you, it’s “The 40-Year-Old Volvo,” a tale of a 1966 1800 that just keeps running, and running, and running. . . By Debbie Briggs, Contributing Writer When Irvin Gordon bought his sporty red 1966 Volvo 1800, or P1800 as it’s known in Europe, on June 30, 1966, he had

Chrysler & Jeep Cooling System & HVAC Service

Every car make has its quirks, and Chrysler and Jeep vehicles are no exception. In researching this article, we found several examples of heater problems in these vehicles that seem to be fairly common. On 2001 and 2002 Sebring Sedan, Sebring Convertible and Stratus Sedan, plus 1993 to 2002 Chrysler Concorde, LHS, New Yorker and

Selling Services: The 10 Commandments for Selling Shocks & Struts

THOU SHALL PERFORM A VISUAL INSPECTION: The first step in selling ride control is the inspection process. A visual inspection of the shocks and struts can tell you a lot about the state of the ride control units. This is a chance to make sure the vehicle is road-worthy before you put your own life

Why Bearings Fail

When a bearing wears out, it is usually a case of inadequate lubrication, faulty installation or improper adjustment. For the repair to be successful, you must first determine why the previous bearing failed. For sealed hub units, examining the internal bearings and races is impossible. The most common failure pattern for bearings is for those

Flashing Signals / Reprogramming PCMs

You don’t have to be Microsoft A+ certified to flash reprogram automotive PCMs, but the process requires a certain amount of know-how as well as special tools and access to the latest OEM software upgrades (which are not free!). What’s more, it’s not a risk-free endeavor. Certain precautions must be undertaken before you begin, and

A/C Update: Keeping the Black Death at Bay

Over time, moisture contamination in an A/C system will form corrosive acids that attack metal surfaces and break down the lubricating qualities of the compressor oil. The result is a dark-colored sludge called “Black Death” that can gum up the orifice tube or expansion valve and ruin the compressor. How does moisture get in the

Selling Services: Cooling System Colors

All types of antifreeze contain corrosion-inhibiting chemicals to protect bare metal surfaces from electrolytic attack. Though automakers disagree on which chemical additives work best in their vehicles, essentially any kind of antifreeze will work in any vehicle. But how well will it protect the cooling system? And for how long? And will it void the

Hyundai: From Ball Joints to Brakes…

Uncovering Needed Repairs With Undercar Inspections The brake and suspension systems on Hyundai’s popular line of cars and SUVs are both undercar systems where problems can be detected during routine maintenance. From loose ball joints to worn-out brakes, it’s all there to be checked while the vehicle is on the rack for service and, oftentimes,

A/C Service: The Heart of the Matter

The heart of the business, feel the heart beat, he has a good heart. These familiar thoughts and sayings all refer to the same thing. Whether it is a figurative or literal reference, the message is the same. There is always a central and irreplaceable part or component or, sometimes, person to all things. This

Service Guide: F-Series New Model 2004

A bold new look and some subtle changes probably best describe the 2004-and-up Ford F150. To the technician, it is the subtle changes that he or she needs to be aware of. Starting with the 2004 model year, Ford launched a new body style for the F150. The new body style truck is a new

Electric Power Steering

When a technology like hydraulic power steering has been around for so long, it is difficult for technicians and even the training establishment to deal with a new system like electric power steering. These systems abandon fluid logic for electronic logic. It is not a simple exchange of power steering fluid for magnetism. Wrapping one’s

Selling Services: Understanding the Importance of Bearing Grease

n overheating and excess grease purging* (leaking). Overheating occurs because the heat generated cannot dissipate correctly, continually building until damage occurs. When a bearing overheats and pushes out the grease, the sealing lip can be damaged and “blown out” in the reverse direction. When the grease amount is low, a grease starvation condition may be