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April 2021 Issue
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Features
Check the Label Before Replacing A/C Refrigerant
How Speed, Load and Slip Affect Voltages
How Extended Interval Oil Filters Have Been Improved
March 2021
February 2021
January 2021
Magazine Archive
Engine
Internal Engine
External Engine
Electronic
How Speed, Load and Slip Affect Voltages
By
Andrew Markel
on
Apr 29, 2021
How Extended Interval Oil Filters Have Been Improved
By
Andrew Markel
on
Apr 28, 2021
Five Spark Plug Service And Replacement Tips
By
Andrew Markel
on
Apr 23, 2021
Heating / Cooling
Engine Compartment
Passenger Compartment
Check the Label Before Replacing A/C Refrigerant
By
Underhood Service Staff Writers
on
May 5, 2021
A History Of Automatic Temperature Control
By
Joe Keene
on
Mar 23, 2021
Cavitation: Killer Of Water Pumps
By
Andrew Markel
on
Jan 22, 2021
Diagnostics
AAPEX 2021 Announces Repair Shop HQ Training Schedule
By
Underhood Service Staff Writers
on
Apr 28, 2021
Power Steering Pump Noise After Replacement
By
Underhood Service Staff Writers
on
Apr 9, 2021
Do You Know The Cause Of A No-Spark Condition?
By
Andrew Markel
on
Mar 31, 2021
Emerging
Electronic
Hybrid
Diesel
The Best Way To Secure A Digital Customer Journey
By
Kjetl Faye Lund
on
Apr 28, 2021
EV Conversions For Classic Cars
By
Brendan Baker
on
Mar 9, 2021
Caring For AGM And Flooded Batteries
By
Brendan Baker
on
Dec 22, 2020
Video
VIDEO: Your Customers' Cars Need Regular Attention
By
Doug Kaufman
on
May 4, 2021
VIDEO: Staying In Your Prime During Oil Change Time
By
Joe Keene
on
Apr 23, 2021
VIDEO: Oil Pressure Light Information
By
Joe Keene
on
Apr 21, 2021
Check the Label Before Replacing A/C Refrigerant
Interstate All Battery Partners With Operation Homefront
Registration Opens For 2021 MACS Trade Show
VIDEO: Your Customers’ Cars Need Regular Attention
Understanding How Rental Car Insurance Impacts Your Shop
Electronic
How Ignition Coils And Plugs Find The Path Of Least Resistance
Electronic
Ford Adaptive Cruise Control Alignment Process
Electronic
Chrysler’s Totally Integrated Power Module Simplifies Circuits
Electronic
Trakmotive Tech Tip: Window Regulator Installation
Electronic
Multi-Spark Ignition Systems
Electronic
VIDEO: How Modules Manage Alternator Power
By Andrew Markel
Jul 31, 2019
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Electronic
VIDEO: Checking Key Fob Signal And Operation
By Doug Kaufman
Jun 26, 2019
Electronic
VIDEO: No-Start No-Crank On Vehicles With Transponder Keys
By Doug Kaufman
Jun 19, 2019
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Electronic
VIDEO: Ignition Coil Circuit Testing
By Doug Kaufman
Jun 12, 2019
Electronic
What Kills An Ignition Coil?
By Andrew Markel
Jun 11, 2019
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