Hyundai/Kia Theta Engine Inspection Essentials
The Hyundai Theta engine appeared in 2006 Sonata models and is going strong to this day in naturally aspirated and turbocharged forms in various Hyundai and Kia applications. The one area of the engine that has been the source of more TSBs and tech tips has been the bottom end of the engine and lubrication system.
Head Gaskets And Head Lift
Head lift is not the whole head that is lifting from the block, but is a distortion in specific areas of the head and block interface where the head gasket is installed. This distortion can damage the head gaskets and head bolts.
Curing Intercooler Condensation And Oiling Issues
An intercooler, or charge-air cooler (CAC), improves volumetric efficiency by increasing intake air charge density through constant volume cooling.
Picking The Right Spark Plug
If you are ordering spark plugs, the number of choices on your parts screen has grown out of control. From choosing the manufacturer to the electrode design it can be very confusing when selecting the right plug for the customer. But, if you understand why the manufacturer specified a particular plug technology, you can pick the correct replacement plug.
VIDEO: Symptoms Of A Head Gasket Leak
Andrew Markel discusses common symptoms pointing to a failed or leaking head gasket, and the tools needed to diagnose the issues. Sponsored by Bar’s Leaks.
Podcast: Gasket Technology and Keeping an Engine Leak Free
Gaskets are a part of almost every engine repair. Underhood Service’s Andrew Markel talks with MAHLE gasket expert Ron McCrum about new gasket technology and what technicians need to know when they are servicing head, intake manifold, and other engine gaskets. The hot topic of this podcast is multi-layer steel (MLS) head gaskets and how
The Carbon Deposit Conundrum
Engine carbon deposits have been around for more than 100 years. They start out as fresh oil and gasoline. The engine uses heat, compression and combustion to turn most of the fuel into power. But, during some combustion events, a droplet of fuel or oil is transformed into a substance that can become a carbon deposit. This typically happens when there are conditions that are outside of the normal operating conditions.
VIDEO: Installing Spring-Type Hose Clamps
Andrew Markel discusses the installation and longevity of spring-type hose clamps, and how they keep a hose connection sealed up to 200,000 miles. Sponsored by Dayco.
Top 5 Spark Plug Tips
Here are five little-known tips about spark plug replacement that you probably didn’t learn in school.
Direct Fuel Injection Diagnostics
Direct injection is becoming standard on more and more late-model vehicles. These systems can be a diagnostic challenge but, with the right foundation, problems can be solved profitably.
VIDEO: The Science Of Stretch Belts
Andrew Markel talks stretch belts, and how they manage to keep working without a tensioner. Sponsored by Dayco.
VIDEO: The Role Of Dispersants In Engine Oil
Andrew Markel discusses the formation of carbon during the combustion process, and how the proper engine oil can prevent sludging in the engine. Sponsored by MAHLE.
