Are performance chips legit? Performance chips may give you power but will also increase your engine's risk of a power failure. Advertised gains by manufacturers often do not match real-life performance. Installing a performance chip would void an existing warranty on your vehicle. Why do we need performance chips in diesel engines? This is where performance chips or modules come in. There’s usually a fair bit more power, as well as increased fuel efficiency, available from most standard common-rail engines, and installation is often as simple as plug-’n’-play. But are they really doing your engine any good? Is it worth...

Why does my 4 wheel drive make a clacking sound? The clacking sound usually manifests itself when non-permanent vehicles engage 4WD mode. This is because part-time four-wheel-drive trucks are usually driven in 2H mode in the city and on high-traction tar roads. When in 2H the front axle is disengaged and it is only the rear driveshaft that is propelling the vehicle forward. Why does my Trk make a clicking noise when in 4WD? When I put my trk in 4wd I hear a loud clicking noise coming from under the trk when in motion. No noise in 2wd. I...