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#1
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Aux electric fan?
The aux. electric fan in the very front doesn't ever seem to go on. It's supposed to turn on when the AC is on, right? Because it doesn't.
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-Mike 1987 300D (white/blue) 199k+ miles, July 2007 OM603 with #14 head Powered by BioWillie's B99.9 Biodiesel @ Pearson Fuels |
#2
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Yep, it is. Start with the easy stuff - the fuse for example. You also can jump the switches on the receiver drier so that the fan will always be on high while the key is in the on position. Beyond that, I'll defer to one of the OM60x experts.
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Tjohn 82 300 SD 77 450 SL (gone) |
#3
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A slightly low refrigerant level will prevent the temp switch from actuating, as the refrigerant will not get hot enough to close the switch.
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#4
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Not necessarily.
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#5
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Fuse is fine and there should be enough refrigerant (just filled it). What's a receiver drier and what's the switch look like?
ETA: there's some type of outlet plug with a cap on it. Looks like I can connect it to an extension cord and plug it in. I really don't think I should, but what could it be for?
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-Mike 1987 300D (white/blue) 199k+ miles, July 2007 OM603 with #14 head Powered by BioWillie's B99.9 Biodiesel @ Pearson Fuels |
#6
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It should also go on when the engine coolant temp reaches 100*C. I find mine doesn't come on very often even with the A/C running on a hot day, but my cooling system is working excellent right now and I am a tad low on freon.
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#7
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Auxiallary heater?
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'85 300D Cal 280,000 miles '14 GLK 350 60000 miles |
#8
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Quote:
Chris
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss |
#9
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Quote:
Not sure where mine was from, but I think I'm the 4th owner. Does the cord mean I have it hooked up?
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-Mike 1987 300D (white/blue) 199k+ miles, July 2007 OM603 with #14 head Powered by BioWillie's B99.9 Biodiesel @ Pearson Fuels |
#10
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One is a pressure cut out...
Quote:
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine) Raleigh NC - Home of deep fried sushi! Last edited by C Sean Watts; 07-25-2007 at 10:30 PM. Reason: forgot |
#11
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Quote:
Chris
__________________
1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss |
#12
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Quote:
W124 Fuse Question I use a switch from the 201, 006 545 42 24 it is a 100/110 so the aux fan comes on at 100 and the A/C shuts off at 110. I replaced mine last year and it already died. If you have the original switch in your car it is probably not working. Chris
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss |
#13
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So what does this mean?
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-Mike 1987 300D (white/blue) 199k+ miles, July 2007 OM603 with #14 head Powered by BioWillie's B99.9 Biodiesel @ Pearson Fuels |
#14
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So I attempted to short the switch on top of the receiver drier, nothing happened. Is there something else I can short to see if it'll turn on?
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-Mike 1987 300D (white/blue) 199k+ miles, July 2007 OM603 with #14 head Powered by BioWillie's B99.9 Biodiesel @ Pearson Fuels |
#15
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The top one is the pressure switch for the compressor. The switch with the pig tails is the freon temp switch.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
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