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#1
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E420 Module Box Blower/Temp
While pulling the codes today I noted that socket 8 is showing a dtc 5 and dtc 17 (module box exceeded temp and module blower short). I understand that Mercedes discontinued the blower in the later models. Am I safe to assume that the blower is not really needed (considering they discontinued it on later models)?
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1993 400E, 256,000 miles (totaled) 1994 E420, 200,000+ miles 1995 E420, 201,000 miles |
#2
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I replaced one on a buddies car Mercedes had a redesigned blower and resistor it was a bit pricey but worked well in the end even came with a new cover to clear the motor. So if you need one i am sure they still can get you one, but from what i remember i am pretty sure it was the exact same code. Check the blower motor and see if its stuck and try different speeds to see if its the resistor. The Blower is on the passengers side and you will need to remove the kick panel. and then remove cover which i believe had 4 screws or torx screws, and remove blower see if frozen most times its the resistor.
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#3
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Which "Blower" is the DTC "Tattling" on?
Picture #1 (Which is the HVAC Blower Motor and Fan Wheels,Under the Monowiper) ?
or Picture #2 (Which is the [One of Two] Auxiliary Cooling Fan,In front of the Condenser) ? Picture #3 is the Blower Motor Controller/Resistor for Picture #1 Picture #4 is the Resistor that gives the Twin Auxiliary Cooling Fans in picture #2 Low and High speeds. (AAAAnnnnnnnd,Which "Blower" was eliminated in "later" models?) You Do Need Both Type "Air Movers" pictured below on your '94 E420.
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'84 300SD sold 124.128 Last edited by compress ignite; 06-21-2010 at 12:31 AM. |
#4
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I'm sorry. I should have been more explicit. It's the blower for the box where the electronic modules are contained (diagnostic, base, EA, ABS/ASR and LH-SFI modules). On the E420 (I guess on all 119's), the module box is located where it says "battery in trunk."
From Jim F.'s web site: Quote:
http://www.k6jrf.com/MB_X11.html When they phased it out, did they do anything else to facilitate cooling?
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1993 400E, 256,000 miles (totaled) 1994 E420, 200,000+ miles 1995 E420, 201,000 miles |
#5
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The EPC shows a hose "from body to blower" (59) and "from blower to module box" (65), but no part for the actual blower motor.
http://docs.google.com/fileview?id=0B-WRh0Hf7VdZNmY2ODhiMzUtMGY4ZC00MjVmLTk5ODctNWQxNmE0NmE3ZGU4&hl=en
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1993 400E, 256,000 miles (totaled) 1994 E420, 200,000+ miles 1995 E420, 201,000 miles |
#6
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OH!
Never aware the gassers had this Third "Cooling" fan.
(I do notice the airflow is pulled from the cabin? Thereby helping to insure a "Dry" airflow) Any cooling for epc s can do nothing but help them.
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'84 300SD sold 124.128 |
#7
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Hopefully, it's the least important blower motor (and least expensive).
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1993 400E, 256,000 miles (totaled) 1994 E420, 200,000+ miles 1995 E420, 201,000 miles |
#8
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I found it under Heating and Ventilation. Part # 1248300908. The dealer wants $225. Ouch.
https://docs.google.com/fileview?id=0B-WRh0Hf7VdZNzRhNWY3MDktNTU0OS00YWU2LWI1NTktNDA0YjIwYzA0ZWFk&hl=en
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1993 400E, 256,000 miles (totaled) 1994 E420, 200,000+ miles 1995 E420, 201,000 miles |
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