The A/C in my 1984 300D has been working

like a charm through this hot Florida

summer, even though my auxilliary fan is

not working. The temperature gage rarely

exceeds 100 degrees C. However, today

I carelessly let it idle too long with the

A/C on and the temp got up in the 115-

120 range. I shut off the A/C and drove

a short distance, and the temperature

quickly returned to normal. When I turned

the A/C back on the compressor clutch

would not engage and I only got warm out-

side air. I checked the fuse panel and all

fuses are fine. Is there another fuse or

relay that I have overlooked, or have I

ruined a perfectly good compressor? Is it

possible to bypass everything and get the

clutch to engage temporarily, so that I

can determine the extent of my problem?

I appreciate all the help that this site

provides, and would be happy to help with

diesel fuel injection related questions.

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kjcalhoun
Bosch certified DFI Tech
20 years experience
MBCA Member, Southern Stars
1984 300D
1985 300CD