How to tell if an AC compressor is working. Welcome to Mercie J Auto Care, where compassion and craftsmanship come together. I'm Rick Smith, master certified technician. So first of all, I’m going to cover two things on this. Question one is how do you know if it’s engaging and secondly, how do you know if it’s working?

We get a lot of questions about control arms and we're working on some today so I thought I’d address that. Welcome to Mercie J Auto care, where compassion and craftsmanship come together. I'm Rick Smith, master certified technician. Now this is a control arm and most of control arm failures are in the bushings. So you have rubber bushings on two places as shown in the video.

Why do fans have a different number of blades?

What is an ignition coil? Welcome to Mercie J auto care, where compassion and craftsmanship come together. I’m Rick Smith. Master certified technician. Ultimately an ignition coil is a voltage multiplier. So we have a spark plug and we need to fire that spark plug.

What is a control arm? Welcome to Mercie J auto care, where compassion and craftmanship come together. I'm Rick Smith, master certified technician. Now you have to realize, when we’re driving down the road, our wheels need to be able to go up and down. Our front wheel need to turn.

What are the causes and signs of a camshaft failure? Welcome to Mercie J Auto Care, where compassion and craftsmanship come together. I'm Rick Smith, master certified technician. Well the number one cause of camshaft failures is lack of good lubrication.