Tech Tip: Poor Throttle Response on VW’s Diesel Engine
Condition: Poor throttle response on 1.9L TDI equipped vehicle. Models affected include 1999-2003 Golf and Jetta, 2001-’03 Jetta Wagon and 1998-2003 New Beetle (all ALH, 1.9L TDI engines).
Tech Tip: Cool Fix for a Ford Diesel
A Ford truck, SUV or van owner may complain of a crank/no-start condition, lack of power and coolant leak. Some vehicles equipped with a 6.0L diesel engine may exhibit those symptoms, along with oil in the coolant. The coolant leak creates a low coolant condition, which may cause the engine to overheat or result in no cabin heat.
Tech Tip: Use Caution when Replacing Ford Diesel Cylinder Heads
According to Ford’s TSB 06-24-4, some 2003-’07 vehicles equipped with a 6.0L engine may require the cylinder head to be replaced, while design changes can affect interchangeability between model years and service of 2003-’07 6.0L engines.
Tech Feature: Servicing Diesels in Your Shop
Is there a diesel in your service bay? Maybe not now, but there definitely will be in your future. You’re going to see trucks as well as SUVs and passenger cars. Mercedes-Benz produced a 3.0L V6 diesel-powered SUV for the 2008 model year and Volkswagen has a Twinturbo 5.0L V10 diesel engine in its Touareg. As the automakers focus on better fuel economy, you might say the diesels are coming again.
Tech Tip: Ford Diesel 7.3L Injector Replacement Tips
Possible engine damage can result from oil and/or fuel entering the cylinder piston area. Engine oil and fuel galleys run between the fuel injectors in the cylinder heads. When the injector is removed, oil and fuel can enter into the combustion chamber and collect on top of the piston. This will dilute the engine oil and can potentially cause major engine damage from hydraulic lock-up upon starting. The hydraulic lock-up can also cause damage to the starter, flywheel, cylinder heads and valve train components ….
Tech Tip: Diagnosing Oil Leak on Ford’s 7.3L Super Duty Truck Diesel Engine
Has anyone else experienced an oil leak around the oil pump outlet fittings on the Ford’s 7.3 Super Duty truck diesel engines? Some 1998-2003 E-Series, 1999-2003 Super Duty, 2000-’03 Excursion and 2000-’03 F-650/750 vehicles equipped with a 7.3L diesel engine may exhibit an oil leak at the high-pressure ….
Tech Tip: Servicing Oil Cooler Leak on GM 6.6L Diesel Engines
We’ve heard about an oil cooler leak issue on some 2001-’04 GM 6.6L diesel engines. Can you fill us in more about this? According to a technical bulletin on the JASPER Engines & Transmissions website, some engine specialists have reported an oil cooler leak on 2001-’04 GM 6.6L VIN 1 & 2 Duramax diesel engines used in pickup truck models ….
Under Pressure: Piston Service For Light Truck Diesels
The diesel engine market has been rapidly changing in recent years. Higher fuel prices and changes in emission regulations have brought about a whole new generation of clean diesel engines in both the light- and heavy-duty truck markets. According to the Diesel Technology Forum (www.dieselforum.org), particulate emissions from new on-highway diesel engines have been reduced
Bosch 2008 Spark Plug Catalog Covers Automotive and Light Truck, Plus Motorcycle, Small Engine, Industrial Applications and Diesel Glow Plugs
Bosch’s comprehensive new 2007/2008 Spark Plug catalog (#221101-2007/08) covers virtually all domestic and import automotive, light truck and van applications as well as motorcycle, small engine, lawn mower, industrial and commercial applications, plus diesel glow plugs. The catalog covers Bosch’s entire portfolio of premium spark plugs, including ….
Tech Feature: Diesel Service… VW Glow Plugs
Diesels are up to 30% more efficient than gasoline engines because they use high compression to ignite the fuel rather than spark plugs. High-pressure fuel injectors spray fuel directly into the combustion chambers when the pistons near top dead center. The heat of compression, combined with residual heat in the piston and cylinder head from