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#1
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Is this just a plug end?
Hello,
This is my first post, I've been lurking around here for awhile now, learning a ton about my cars. Thanks to all for great Info. Anyway, I broke this off the end of a wire where it was plugged on at the rear of what I think is the thermostat housing, there's a vacuum switch right next to it, on the passenger side of the valve cover at the front, on my '83 300DT. auxiliary fan sensor? It has 2 part numbers on it, one at each end, 0095451428 on the top, and 0085452028 on the bottom. My parts guy couldn't find it. It seems kind of elaborate for just a plug end. Wondering if it has some other function as I need to replace it. thanks, Brian
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'85 300DT 170K '99 R1100RS 63K '84 300DT 126K ate her own camshaft '83 300DT 252K executed by non-driver '68 F-100 138K sold (why?) |
#2
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Yes, it's just a fancy plug end. The temperature sensor it plugs onto is for (I think) the climate control system -- it tells the CCU that the coolant is warm and that the blower can start running. Prevents the system from blowing cold air onto occupants on cold winter days (heaven forbid!).
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"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 |
#3
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oh,
thanks. the car does seem to run fine without it.
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'85 300DT 170K '99 R1100RS 63K '84 300DT 126K ate her own camshaft '83 300DT 252K executed by non-driver '68 F-100 138K sold (why?) |
#4
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It should. The switch has nothing to do with the engine operation, its only for human comfort.
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#5
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Quote:
The aux fan operates solely on the basis of a/c refrigerant temperature, not engine temp. It's actually a switch, not a sensor. It's open when cold, closed above approx 100*F. It provides a ground which permits actuation of the K-3 relay in the CCU, thereby powering the blower. MB calls it the "cold engine lockout switch." Last edited by tangofox007; 06-07-2008 at 10:40 AM. |
#6
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Thanks, that's what I'll do.
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'85 300DT 170K '99 R1100RS 63K '84 300DT 126K ate her own camshaft '83 300DT 252K executed by non-driver '68 F-100 138K sold (why?) |
#7
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Since there are two part numbers, will the inside separate from the outside, allowing the wire to be reattachted after it has broken off?
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
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