Volkswagen: Identifying And Mixing Factory Fill Engine Coolants
Coolants G11, G12, G12+ and G12++ have been replaced by an improved version. G13 coolant is introduced on all engines.
PCV Valve Facts
The first vehicle to get a positive crankcase ventilation (PCV) valve was the M5 Stuart tank in WWII, which was made by Cadillac. The valve replaced draft tubes that might suck water into the engine while crossing rivers.
Underhood Update On R-1234yf Refrigerant
If you haven’t had a lot of experience dealing with R-1234yf in your shop yet, get ready. You’re going to steadily be seeing a lot more of this refrigerant in the coming years. Underhood Service talked with ASE Executive Director of Special Projects Dave Cappert about R-1234yf updates and best practices techs need to know to be able to service these vehicles before one catches you off guard.
Lost and Found: When Good Tools Go Missing
There are those occasions when a phone call or a complete search of the shop doesn’t yield any sign of a lost tool. For the most part, you can mark that tool down as “gone for good,” lost to that place where wayward nuts, bolts and tools always end up.
Turbo Trouble: How Turbochargers Work
Turbochargers are great for adding power to any gas or diesel-powered engine, but are especially useful in small displacement engines. The boost to airflow that a turbocharger provides increases the breathing efficiency of the engine for more horsepower and torque.
Send Us Your Winter Beater Story. It Could Be In Our Magazine!
A winter beater is not a junker, bomber or jalopy. It is the calling card of a real master technician. A winter beater is as much about frugality as it is a demonstration of your mechanical skills, and starting it on a -10 degree day has the same satisfaction as running a 13-second quarter-mile. The
Chrysler Transmission: The Case Of The Shiftless 48RE
This month’s Diagnostic Dilemma concerns a 2005 Dodge 3500 SLT truck equipped with the Chrysler 48RE automatic transmission with three forward speeds and overdrive. It originally came into the shop with a broken band, but after the rebuilt transmission was installed and road-tested, the 48RE failed to shift out of first gear.
Automotive Technology: LiDAR And Car Vision
Innovation is happening on multiple fronts in the ADAS vehicle development world. This has caused many who, only last year, were predicting mainstream use of this technology to occur around 2025 to lower their predictions to “much sooner.”
Ford F-250: Raising Rear Ride Height
Some customers with 2011-2016 F-250 Super Duty 4×4 vehicles want to raise the rear of their vehicle to change vehicle attitude appearance. This procedure provides the necessary information for this modification in accordance with engineering specifications.
