How to Replace the Shift Coupler Boots On A Classic Air-Cooled Porsche 911

The ZF-built manual transmissions you can find in BMWs have always been praised for their feel. Unfortunately for E46 owners, the detents in the 5-speed gearboxes wear down leading to the need for replacement. When the detents wear, the shifter looses all feel and can move around freely while the...

What if you had a brand new, perfectly-lit, fully-equipped shop with every tool imaginable and a lift for your at-home DIY projects? What if that shop happened to be literally connected to a massive distribution center with a nearly limitless supply of car parts and inventory? That’s the luxury...

An engine should always be brought to its normal operating temperature before being leaned on in anything more than easy driving. This is especially the case with high-performance engines, such as Mercedes-AMG's M156 6.2L V8. Built with tighter tolerances to endure abuse, they should only be...

A correctly working electrical system is critical for a properly functioning vehicle. The alternator plays a primary role in the electrical system by keeping the system charged as you drive along. Without a properly functioning alternator, your vehicle can lose power or leave you stranded...

If you are tuning your CIS K-Jetronic-equipped Porsche 911, you will likely need to replace your old rubber intake boot to eliminate troublesome vacuum leaks. This is a  quick procedure that will make your fuel system more robust. Starting in 1973, the air-cooled Porsche 911 was equipped with...

For years, Volvo has been using Aisin transmissions due to their compact layouts and efficient operation. Utilizing extremely tight tolerances, Aisin has achieved a family of automatic transmissions that are extremely versatile to complement Volvo’s engine and powertrain requirements. However,...

As your BMW E90 approaches 80,000 miles, you may start to hear a clunking sound or feel some play in your steering. This can be caused by the wearing of the front suspension components, not uncommon to this generation of BMWs. From your inner tie rods to your control arm bushings, worn-out...

Whenever you buy a used car, it's advisable to do a quick "tune-up." What's entailed in that tune-up depends entirely on the make and model vehicle, but on a Volvo V70R, it's actually all pretty simple. In this article, we're going to show you, step by step, what parts are needed to bring your...

If you are chasing emissions issues on your Porsche 911, you may find yourself needing to replace the oxygen sensor. This guide covers how to replace it quickly and easily.  The 1980-1989 air-cooled Porsche 911 has a single oxygen sensor mounted upstream of the catalytic converter on the left...