85 300 SD: is Auxiliary elect. fan really needed

Aug 12, 2003 1 Replies

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Jim Caldwell 22 years ago

I am repairing the A/C system, getting ready for a conversion to R134. I think I may have a bad auxiliary fan. Will apply power direct to the fan power wires to see if it is. Was wondering if this fan is really necessary?Should I make sure I have a good aux fan and control circuit before getting the A/C system working again?

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T.G. Lambach 22 years ago

Yes, it is necessary, that's why M-B installed it.

Repairing the fan is the least of your project, why cut corners on the last 10% of the job?

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