Cooling Fan Circuits
Does the fan come on at odd times, maybe not at all, or runs continuously? Here’s an overview of the functionality of engine cooling fans and their circuitry.
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Author: Mercedes-Benz StarTuned
Recalibration of Driver-Assist Technologies
Before returning the vehicle to your customer, here are tips to help you catch trouble codes that alert you to calibrate or reset them after repairs.
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Wire Harness Repairs 2017
Often, repairing a wiring harness makes more sense than replacing the whole thing. Mercedes-Benz makes it easy to do a high-quality, long-lasting job.
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Ron Resnick
Rather than simply a trainer, Ron considers himself a coach/consultant, working with parts professionals in exploring ways to provide even faster, more accurate, and more affordable solutions for their wholesale and retail customers.
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StarTuned September 2017
In this issue: Individual Component Testing; Idle Quality; Alignment 2017; Fuel Tank
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Mercedes-Benz Classic Center
A World-Class Preservation Facility for a World-Class Marque
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Individual Component Testing in Engine Management
No interpretation from scan tools or OBD II, just data from “the horse’s mouth” on relays, switches, sensors, circuit voltage drops, etc.
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EVAP System Diagnosis
EVAP emissions sources are tricky to find. Here are a few tips to try before connecting that smoke machine.
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Alignment 2017
The basic geometry is the same as it’s always been, but the means of making adjustments and recalibrations sure aren’t.
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Nobody Likes Poor Idle Quality
The causes range from internal engine problems and vacuum leaks to improper spark plug gaps. How to proceed logically.
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