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Old 06-23-2010, 05:23 PM
jonbobshinigin jonbobshinigin is offline
Mechanical Hyphochondriac
 
Join Date: Sep 2009
Location: Ocala, FL
Posts: 539
Axillary fan not engaging till 105 - 1995 E320

A friend's 1995 E320 is getting a bit hot during summer when A/C is on and idling. I read this post: '93 w124 M104 Aux fan ground location.

I am thinking it may be the resistor because it does now seem to have a low speed. If I recall correctly (from my 1987 300TDT), when A/C is engaged the Axillary fans turn on low. When Temps reach 105, it goes to medium, and then at 120 is run at full.

I have been reading that it is only 2 speed, low and high. Either way, it appears to turn onto High at 105 and does nothing when A/C is turned on.

Should the fan be engaging on low when the A/C is on?
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1987 300TDT - 195,000 (Original #14 head)
1993 190E 2.3 - 105,000
1981 300D - 250,000
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