Differentials And Diagnostics
A differential allows the two connected wheels to spin at different rates.
Engineering Better Belt Systems
You might not be able to see it, but an accessory drive belt is always both speeding up and slowing down.
Detecting Misfire And Knock Conditions
Knock sensors are mounted on the block near the base of the cylinder head.
Inspecting Oil Filters
Cartridge oil filters are easy to inspect, but canister oil filters only give you a limited view.
EGR, Secondary Air Injection And Emissions Management
EGR systems put a small amount of inert gas into the combustion chamber to control the temperatures.
Mini Cooper Water Pump Service
The water pump is turned by a metal wheel driven by the crankshaft pulley.
How To Diagnose Slow or Sluggish Oxygen Sensors
When oxygen sensors are tested, manufacturers will introduce small amounts of oil to measure sensitivity.
Diagnostic Strategies For Variable Valve Timing Systems
Here are seven diagnostic strategies that can be applied to any vehicle with variable valve timing problems.
Scan Tool Triage
New scan tools can bridge the divide between a basic scan and high end scan tool.
Nissan Tech Tip: Vehicle Key Not Detected
Nissan keys use radio frequencies (RF) similar to other everyday wireless devices.
How Often Is Lift Maintenance Needed?
Find out the minimum you should do monthly for most two-post and four-post lifts.
Headlights: HID Diagnostics
Many sport and luxury import nameplate vehicles utilize high-intensity discharge (HID) lighting.
