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  #1  
Old 06-20-2006, 07:46 PM
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1995 E420 A/C - Hot air from side vents

Need help with A/C fix. Car is blowing hot air from the side vents and cold air from center vents. Delear diagnosed with heater valve left open and thereby resulting in hot air on the side.

How hard is to replace the heater valve, where is it located and what is correct part number?

Also, one of the aux fan is not working. The recommended solution was to replace aux fans and relays (part number??). I can replace the aux fans but not aware where the relay are located.

Any help would be appreciated?

Thanks in Advance
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Kamal Atwal
2005 Triumph Bonneville T100 (Black/white) [Sold]
2007 GL450 (Dersert Silver)
2009 Toyota Corolla (Metallic Silver)
2002 Tundra V8 - 2WD (Desert Sand)
1995 MB E420 (Silver Smoke) [crashed, now resting in peace at Silverstar Recycling Center]
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  #2  
Old 06-21-2006, 09:10 AM
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The heater valve is a simple replacement. DON'T start that job unless the engine is cold. Located at the right rear of the engine compartment.


IF one of the aux fans is working then the relay is still good..no need to replace a good working part!
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  #3  
Old 06-21-2006, 01:38 PM
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Is this correct part number for heater valve "R3022-26888" aka - ACC Mono Valve.
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Kamal Atwal
2005 Triumph Bonneville T100 (Black/white) [Sold]
2007 GL450 (Dersert Silver)
2009 Toyota Corolla (Metallic Silver)
2002 Tundra V8 - 2WD (Desert Sand)
1995 MB E420 (Silver Smoke) [crashed, now resting in peace at Silverstar Recycling Center]
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  #4  
Old 07-17-2006, 06:34 PM
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E420 Mono valve

Kamal,
I have the exact problem and was about to replace the mono-valve. Let me know if this worked for you??
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  #5  
Old 07-17-2006, 07:57 PM
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I have not started doing the repairs. But, I am thinking of doing it over one of the long weekend holidays.
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Kamal Atwal
2005 Triumph Bonneville T100 (Black/white) [Sold]
2007 GL450 (Dersert Silver)
2009 Toyota Corolla (Metallic Silver)
2002 Tundra V8 - 2WD (Desert Sand)
1995 MB E420 (Silver Smoke) [crashed, now resting in peace at Silverstar Recycling Center]
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  #6  
Old 07-05-2007, 10:18 AM
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Location: Elk Grove, CA
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Monovalve

I have replaced Monovalve and problem is solved.
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Kamal Atwal
2005 Triumph Bonneville T100 (Black/white) [Sold]
2007 GL450 (Dersert Silver)
2009 Toyota Corolla (Metallic Silver)
2002 Tundra V8 - 2WD (Desert Sand)
1995 MB E420 (Silver Smoke) [crashed, now resting in peace at Silverstar Recycling Center]
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