May 2021 Archives - UnderhoodService
P0299 and P0234 Turbocharger Diagnostics

Many things can change the performance of the turbocharger. But the turbocharger is rarely the source of the problem.

Cure Belt Noise: New And Old Technology Solutions

A worn automatic belt tensioner has consequences beyond a loose belt.

Limited Slip Differential Fluid Service

There are several differential designs you might see in the field.

Fuel Pump Controls For Pressure and Volume

These systems are very efficient and are able to get the right amount of fuel into the cylinder so no fuel is wasted.

Staying Cool With Electric A/C Compressor Service

If you follow the recommended service procedures, repairs will go as “cool” as the air coming out of those A/C vents.

Read Our May Digital Edition Magazine

Included are articles on turbo service, understanding A/C compressors, curing belt noise and more!