Understanding Coolants
All-season coolant used inorganic acid technology and worked great for almost 30 years.
Ignition System Do’s and Don’ts
Why do ignition systems give technicians problems when diagnosing ignition-related misfires? The answer is that some technicians use tests that might give inconclusive results or do damage to the coil or drivers inside a module.
Tools To Service Serpentine Belts
Servicing the serpentine belt on some vehicles is a tough task.
Battery Charging and Diagnostics
Here are six tips to use when diagnosing a vehicle with a dead battery.
Why Do Timing Chains Stretch?
As the timing chain wears, it can change the timing of the camshaft and crankshaft.
Carbon Deposits and Direct Injection Engines
The primary cause of these problems is that fuel and added detergents are not hitting the back of the intake valves.
Acura Turbo Engine Service
It is important to check the operation of the solenoids that control vacuum to the actuators.
Subaru EJ25 Head Gasket Problems
Most of the EJ head gasket failures occur around the 100,000-mile mark and start as a slow oil or coolant leak.
Honda Electronic Throttle Body Service Tips
Using care and following OEM procedures will help you to avoid unnecessary parts replacement and comebacks.
New Oil Specifications
Many 0W16 oils have a new donut certification mark on the bottle called API SN-PLUS and SN-PLUS Resource Conserving.
Solving Intermittent Overheating
New cooling systems anticipate and influence changes in coolant temperature.
Ignition Systems
The ignition coil is a very simple and robust circuit.