Q: How do I make an Army humvee (M998) street legal. It's a 1987 and is has everything a normal car does except backup lights and a l

Your driver seat is either manually adjustable or power adjustable. If it’s a manual model, you can make almost the same adjustments as if it were powered, but you’ll need to know how to get the right position for both...

Unfortunately without more information it will be difficult to narrow down why you are experiencing a knocking sound in your vehicle. In my experience Envoys have had many different reasons that could duplicate an engine knock. The most common is...

The most common cause of this would be a clicking relay or something else that is loose. This is a more uncommon issue that will require diagnosis to confirm. A qualified technician, such as one from YourMechanic, will be able...

Engine shakes a lot of times because either the engine or transmission mounts are worn, or they are not running correctly. First thing you want to do is--have that motor mounts and the transmission mounts checked. It's old enough, 14...

I would try and have the fuel injectors (https://www.yourmechanic.com/article/what-causes-fuel-injectors-to-get-clogged-or-dirty) and throttle body cleaned out (https://www.yourmechanic.com/services/clean-throttle-body). This should clean out injectors and intake valve carbon deposits that can cause the rough idle. If after driving the vehicle, and the CEL comes...

Hello. If the vehicle is running fine as you drive around then the alternator should be fine. This is usually caused by a bad battery (https://www.yourmechanic.com/services/battery-replacement). It sounds like it is accepting a jump but it is not accepting charge...

Hello. The battery is located under the front passenger seat. The seat lifts up and pulls forward to allow access to the battery. However, if your battery is 8 years old, it would be best to replace the battery (https://www.yourmechanic.com/services/battery-replacement)...

If the ticking sound seems to be dependent on temperature, I might suggest taking a look for an exhaust leak somewhere. Small exhaust leaks will normally begin when cold and diminish as the engine warms, but in my experience, I...

Hello there. Thanks for the video. Unfortunately, it's nearly impossible for us to determine where this noise is coming from, as it's hard to tell in the video itself. The best thing we can suggest is to have one of...