107 Chassis Heater and A/C Motor Repair Manual - by Kent Bergsma

Applies 107 chassis SL and SLC 350SL 450SL 450SLC 380SL 380SLC and 560SL.

This repair guide will take you through the process of how to properly remove your heater blower motor and replace the motors two brushes. This is the most common reason for failure.

107 Chassis Heater and A/C Motor Repair Manual - by Kent Bergsma
107 Heater Motor Repair Manual Only

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If your blower motor has been intermittent or some days it wont come on until you drive for a while your motor brushes are most likely at the end of their life. This is something you may just want to replace as a preventative measure.

15+ year heater motor brushes are very prone failing at any time. If it has not failed yet it most likely will sometime soon. You will need a soldering iron and a few common hand tools to complete the job. If your car has a over 150,000 miles on it or you know the heater motor has been run a lot, the best time to do this job is now! Do not wait for it to quit on you on a cold winter morning.


We are selling the manual only to help you remove and diagnose your heater motor. We also sell this book with brushes included.

IMPORTANT: If you are planning to replace your heater motor brushes I highly recommend you have a high output soldering pencil on hand. If you don't, then I recommend you purchase the one we sell on our website. It is a powerful 60 watt unit and works great! look below.


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