July 2020 Archives - Page 2 of 2 - UnderhoodService
Top 10 Things You Need To Know About GM Stop/Start Systems

It is essential to understand what is different on these vehicles and how it might change your diagnostic approach.

Fuel Pumps And Voltage Drop – Still A Valid Test

Voltage drop testing compares the battery or charging voltage to the voltage at the component.

GM Transmission Tech Tip: Low Line Pressure

After installing service pump cover, a transmission may have low line pressure.

Subaru EJ25 Head Gasket Headaches

Properly replacing Subaru EJ25 head gaskets takes patience and quality parts.

Be Your Own Lift Cable Guy

We explore how to maintain your lift cables or “wire ropes,” how to look for damage and when to replace a cable.

Ford Adaptive Cruise Control Alignment Process

Follow these steps for proper horizontal alignment of the cruise control module radar sensor.

Performance Spark Advance: Controlling Ignition Timing Delays

Ignition delay occurs during the time that it takes to fully ignite the mixture with a spark plug.