engine Archives - Page 18 of 23 - Tomorrows Technician
Rear Main Seal Diagnostics Q&A

Solving why the seal failed in the first place is critical to preventing a labor-intensive comeback. Here are six questions you should be asking yourself before, during and after a rear main seal job.

Oil Pump Diagnostics: Rebuild Or Replace?

Considering how important oil pressure is for all of these reasons, why would anyone take a chance on reusing a high-mileage oil pump when rebuilding an engine?

A Day In The Life Of A NASCAR Engine

Engine Builder recently got an inside look at engine development at Earnhardt Childress Racing (ECR) from Andrew Randolph, ECR’s technical director. He gave us the scoop on the Chevrolet engine in Cup called a R07.2 and all that goes into maxing out its performance every week.

Diagnosing V8 Engine Oil Leaks

You already know that there are plenty of BMWs with V8 engines on the road today, but you might be surprised that they can have issues with oil leaks. Inevitably, some of these will find their way to your shop in need of service, so here are some common items to be aware of when they arrive at your shop for repairs.

Motor Mount Replacement Tips

Back in the old days, spotting a failed motor mount was easy. The cooling fan hit the radiator shroud and the engine would move side-to-side as the engine was loaded. Today, it takes a little more time to spot a worn motor mount. Why? Because a modern motor mount might do more than just hold the engine in place.

Timing Chains In Hyundai Engines

Although Hyundai uses a single timing belt on its 2.7L V6 engines, its 3.3L, double-overhead camshaft engine is equipped with one timing chain for each camshaft and one drive chain for the oil pump. At first glance, a timing chain design allows engineers to shorten the overall length of the engine and reduce rotating friction.

Engine Of The Week: NASCAR Cup Series Chevrolet 5.8L V8 Engine

At the Monster Energy NASCAR Cup level, it’s no secret that the competition is fierce. Every little thing matters from the driver to pit stops to one of the most important aspects – the engine.

Misfires In The Crankshaft And Camshaft

Any time you’re dealing with a combustion engine, there’s a chance it will develop a misfire. A better understanding of how computer systems analyze a misfire can make your job that much easier as the service tech.

GM LS V8 VVT System: Oil Flow And Pressure

The CMP actuator system controls the amount of intake and exhaust valve overlap. The engine control module (ECM) can only command the CMP actuator to advance the valve timing from the park position or retard the valve timing back to the park position.

Five Timing Chain Warning Signs

Here are the top five things you should be checking to resolve a timing chain problem before it breaks.

Ultimate Underhood: Dry Sump Engine Oil Systems

On GM’s newer LT V8s, there is an option for a dry sump lubrication system. Dry sump oiling systems improve lubrication system performance during aggressive driving maneuvers and high cornering loads.

Engine Of The Week: Evernham Dodge V8 Race Engine

Steve Hogue of Hogue Racing Engines knows a thing or two about small block Chevy engines, as 99 percent of the business his shop does revolves around those power plants.