tech tips Archives - Page 4 of 4 - UnderhoodService
Outsmarting The Smart Cars: ECM Replacement

The ECM’s (engine control computer) function is to control emissions, monitor and regulate engine functions as well as optimize engine performance and fuel consumption.

Tech Tips: 10 Cartridge Oil Filter Tips

An oil change is probably one of the least expensive services your shop offers, but it has the possibility to result in one of the most expensive comebacks if a mistake is made.

Subaru Oil Temperature Lamp Flashing, Multiple DTCs

If you encounter a Subaru that has the oil temperature warning lamp flashing with a code stored in memory and possibly an intermittent stalling condition, it may be the result of contamination in the valve body.

Finding The Cause Of Battery Drain In A Chevrolet Impala

Finding the cause of battery drain can be tricky, but sometimes your ears will help you find the culprit.

Timing Chain Wear: Why Oil Quality Matters

Without proper timing of internal engine components, the engine will suffer a catastrophic failure. This is what happens when a timing chain or belt breaks.

Volkswagen: Identifying And Mixing Factory Fill Engine Coolants

Coolants G11, G12, G12+ and G12++ have been replaced by an improved version. G13 coolant is introduced on all engines.

VW coolants G13
Ford F-250: Raising Rear Ride Height

Some customers with 2011-2016 F-250 Super Duty 4×4 vehicles want to raise the rear of their vehicle to change vehicle attitude appearance. This procedure provides the necessary information for this modification in accordance with engineering specifications.

Ford F-250