How do I know if my AC line is bad?

Symptoms of a Bad or Failing AC High Pressure Hose

Noticeable physical damage on hose. One of the first symptoms that one can look for when a high pressure hose is beginning to fail is noticeable physical damage.
Leaking around the hose.
AC not cooling.

What happens if your speedometer does not work?

If the speedometer sensor is not working properly, the speedometer will be inaccurate; potentially leading to speeding tickets or unsafe driving situations. The symptoms noted below will give you an indication that a problem exists with your speedometer sensor: 1. Speedometer does not work

Is there a way to replace the speedometer cable?

Replacing the speedometer cable is one option, but there are two methods for lubricating the old cable that’s worth it to try first. For one method, they make a special speedometer cable lubricant that’s installed where the cable attaches to the speedometer head.

Why does my speedometer make a high pitched noise?

A high-pitched sound is generated by the metal core rubbing inside of the cable sheath. A speedometer head can also generate noise, which also spins along at the same speed. If you disconnect the cable from a speedometer head and it still makes noise, then you have just isolated the problem as the cable itself.

Where is the speedometer located on a car?

Where is the speedometer sensor located? The speedometer sensor is located in the transmission of your vehicle and is designed to register the driveshaft’s rotational speed. The sensor delivers this information through the speedometer cable and to the vehicle’s computer, which converts electrical pulses into a numerical speed.