Randy Wallace

Randy Wallace

Randy Wallace is an automotive writer with years of hands-on experience working with everyday vehicles, tools, and real maintenance situations. He focuses on how car systems behave over time, what tends to fail first, and which issues are often overlooked until they become inconvenient, costly, or unsafe.

Symptoms of a Failing Water Pump

Failing Water Pump

In my years working on a variety of vehicles, the water pump has emerged as a critical yet often overlooked component of the engine cooling system. A properly functioning water pump ensures that coolant circulates effectively through the engine and…

Observations on Transmission Control Module Failures

Transmission Control Module

Transmission control modules (TCMs) play a critical role in the operation of modern vehicles, particularly those equipped with automatic transmissions. These electronic components manage the shifting of gears based on various inputs from the vehicle’s sensors, ensuring smooth transitions and…