How to Use a Roadmaster Vacuum Gauge?

Answer The Roadmaster pressure reducer or vacuum gauge is a device that uses pressurized air to brake a towed vehicle. The device is an accessory for the Brakemaster supplemental braking system or other v... Read More »

Top Q&A For: How to Use a Roadmaster Vacuum Gauge

How to Fit a Vacuum Gauge?

Save money and make your car run more efficiently--monitor the vacuum pressure when tuning your car's engine by fitting a vacuum gauge in the engine compartment. If the vehicle is not getting the r... Read More »

How to Read a Vacuum Gauge?

A vacuum gauge is a device that measures the amount of air pressure in a vehicle's engine. Air pressure in a properly functioning idle engine should be lower than the outside air because the moveme... Read More »

How to Test With a Vacuum Gauge?

A lot of things that can wrong with your car's engine. Oil pressure, bad batteries, and fuel levels can affect the engine's performance. If you have problems with your engine, you can use a vacuum ... Read More »

How to Install a Car Vacuum Gauge?

We all want to achieve the best fuel economy possible with our vehicles. One problem facing drivers is not knowing when we are driving our vehicles in the most economic manner. The solution, in man... Read More »