Careful — a critical tool on your service truck may not be doing its job. How long has it been since you checked the performance of your vacuum pump? Many vacuum pumps in the field are not working ...

Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. However, the powerplants also have parts ...

In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...

We may receive a commission on purchases made from links. HVAC professionals need a good vacuum pump to evacuate air, moisture, and contaminants from refrigerant lines before recharging older systems ...