I have just experienced a rear coil spring failure on my VW Tiguan, fortunately it fell off in the garage. I have examined the spring and it looks like brittle failure due to breakdown of the ...

Today a lot of street-legal vehicles and off-road rigs run modern coil spring suspensions. Coil springs in their various formats have a number of advantages over traditional leaf springs and torsion ...

While studying traditional news journalism in college, Jake realized he was smitten by all things automotive and wound up with an internship at Car and Driver. That led to a career writing news, ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

Ignition coils sit at the center of every gasoline engine’s spark, yet they usually stay invisible until something goes wrong. When a coil starts to fail, the symptoms can look like fuel problems, ...

This morning I came to take my wife's 2005 Fiesta auto out of the garage and heard a horrible scraping noise. I called Green Flag and the mechanic diagnosed a fractured front offside coil spring. The ...

For most homeowners, HVAC systems are out of sight and out of mind right up until the moment they stop working. One common source of declining system performance lies in a unit’s coils. The NEWS ...

Leaf springs are treated like archaic tech, as they aren’t found under any of the latest industry-leading performance cars, and are often used as a point of reference that shows how “dated” a ...

I purchased a new Audi A6 Avant (2.0-litre, petrol, Multitronic) in September 2004. I have been pleased with it, except for two ignition coil failures. The first occurred after 26,000 miles (just ...

I noticed a question regarding two ignition coil failures in a 15-month period on a 2006 VE Commodore that had done 93,000 km. I have had two fail in two weeks on my 2005 VZ Crewman with 184,000 km.

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...