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#1
01-11-2007, 04:19 PM
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Can I open heater valve manually? servo shot, i'm cold!
Mine is a 1978 300CD, and the climate control servo is out, fuse removed b/c it was draining my battery. I need heat and defrost, and hope that I can manually open a valve giving me hot air. Possible? Thanks for your feedback-
Chris 
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#2
01-11-2007, 09:32 PM
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Quote:
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'85 300D Turbo - CA Version
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#3
01-12-2007, 01:31 AM
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phishyninja
Your 78 won't have the 'heater' valve (monovalve). You will probably need to install a manual ball valve or something like that and then bypass the servo by disconnecting the water lines and connecting them together. This new valve would be on in cold weather and off in warm. Not as nice as automatic systems when they work, but sure beats freezing. Not sure what you will need to do about the fuse, does it prevent the heater fan from operating?
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1961 190Db retired 1968 220D/8 325,000 1983 300D 164,150
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#4
01-12-2007, 01:45 AM
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Answer:
Climate Control:
http://www.peachparts.com/shopforum/showthread.php?t=142408 Mono Valve Repair Kit, For Heater Control Valve MB# 000 835 06 44 1978 Mercedes Benz 300CD Part: Mono Valve Repair Kit Note: Heater Valve Electromagnetic heater valve. Fastlane: Valve Repair Kit, For Heater Control Valve http://catalog.peachparts.com/item.wws?sku=W0133-1618202 Auxiliary Water Pump, for Climate Control MB# 000 835 69 64 1978 Mercedes Benz 300CD Part: Auxiliary Water Pump Note: This unit has 12" lead wire. Bosch 0.130.002.070 G3050-12429 Auxiliary Water Pump Bosch Fastlane: Auxiliary Water Pump http://catalog.peachparts.com/item.wws?sku=W0133-1608481 Have a great day.
__________________
ASE Master Mechanic https://whunter.carrd.co/ 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 2003 Volvo V70 https://www.boldegoist.com/ Last edited by whunter; 06-07-2011 at 02:26 PM.
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