There is enough revenue potential 15,000 km a year it makes sense these additional services to the
in already that a brake fluid flush should be number you actually sold. If you
booked in each day to reach the performed about every two years. sold no brake fluid flushes when
most ambitious workshop targets. If you service an average of 15 the odds say you should have
All that's needed is to educate the cars each week, you can assume sold five or six, you need to ask
customer on why this essential around five or six of those cars yourself why?
maintenance work needs to be should have been due for brake Read the full tutorial, download
carried out. fluid flush. the
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Capricorn Tech Tips
Capricorn Tech Tips provides Members with access to valuable technical tips from Capricorn Preferred Suppliers. Each month we
will feature a new Tech Tip that addresses common workshop problems.
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Vehicle and Category: Mercedes Throttle Pedal Fault
Symptoms
•
ESP, BAS and pre-safe message showing on the dash
•
Fault codes stored for the throttle pedal sensor B37
•
Customer complains of hold function, hill start assist, trailer
destablisation and unavailable adaptive brake lights
•
Normally you can cycle the ignition and then the warnings should
disappear for a short time before coming back
Cause
The fault is the throttle pedal, but the actual cause may be pins at the
throttle pedal rather than wiring or the pedal itself
Repair
1. Visual inspection of the pins. You should be looking to see if they
are spread open or contaminated with water/corrosion
2. If damaged, it’s worth replacing pins as this fixes around 80%
of complaints of this nature. This could help avoid an expensive
incorrect diagnosis to do with the throttle or ECU
3. Make sure wiring is in good condition by checking connections at
the engine ECU and ensuring there is no water ingress
4. Carry out a load test of the wiring from the ECU to the throttle
pedal. This will prove the integrity of the wiring and that it is
capable of carrying a voltage and reliable signal to the ECU
Tech Tip provided by:
CAPRICORN IGNITION JULY 2017 27