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#1
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what is this?
it looks like a control valve for the heater system as it has two coolant hoses and a pair of wires that plug into it. quite a complex looking thing as most mercedes parts are. its located just behind the r.h. headlamp. my wires have been cut off and i don't know what purpose this serves, and what am i not seeing with these wires cut ? ? ? i could take a pix of it for clairity. help !
davidh |
#2
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crap, i forgot to say
its a 83, 300d. why do i forget to do this all the time ?
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#3
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AUX water pump
AUX water pump, for the heater system.
Vehicle 1983 Mercedes Benz 300D Turbo Part: Auxiliary Water Pump Note: This unit has 12" lead wire. Bosch 0.130.002.070 W0133-1608481 Auxiliary Water Pump Bosch IN STOCK Have a great day.
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ Last edited by whunter; 09-12-2009 at 12:37 AM. |
#4
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how is the heater able to function with this pump not operating? it gets nice and warm in the car so far. . .
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david h 83 300D Alabama Beauty (Son's) 83 300D West Coast Rust Free that been abused |
#5
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Are you sure it's not the receiver/dryer?
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Bob '82 300D Petrol B-G Metallic |
#6
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Because the engine water pump does most of the work.
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#7
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Aux pump only works during low speed operation.
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#8
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It was included on the US cars because people wined about poor heat while at idle. Once you get moving you get plenty of flow from the engine driven water pump.
-Jim
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership. |
#9
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what triggers the thing to come on ? or is it on when the blower comes on ? i should probably see if the dang thing works. the car came from alabama so they probably didn't ever use it and thought it would keep the car cooler without it workng. (the antifreeze was only good to 10 abave too)
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david h 83 300D Alabama Beauty (Son's) 83 300D West Coast Rust Free that been abused |
#10
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Stop
Quote:
They may have cut the wires when it failed, and cooked the CCU. Please read this thread.... Aux. Water Pump takes out CCU Aux. Water Pump takes out CCU |
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