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2001 heater control valve

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  #11  
Old 08-17-2011, 10:14 AM
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Tizzy1 Tizzy1 is offline
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the arrow follows coolant flow.


Click the image to open in full size.

2 is the front heater core, 3 is the engine and 4 is the thermostat
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  #12  
Old 09-16-2011, 05:53 PM
Dlee Dlee is offline
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what is 5 and 6 then if you dont mind
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Old 09-17-2011, 09:59 AM
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1 = heater core, rear
2 = heater core, front
3 = engine
4 = thermostat
5 = engine oil cooler (optional equipment)
6 = water pump
7 = radiator
8 = coolant recovery bottle
9 = coolant flow, pressure cap vacuum
10= coolant flow, pressure cap relief

Last edited by Tizzy1; 09-17-2011 at 10:04 AM..
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Old 12-13-2011, 08:53 PM
Stenosis Stenosis is offline
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Just another confirmation...arrow points down.

What is the point of this valve?

Bless you guys for this forum!

-Sten
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Old 12-21-2011, 08:09 PM
rmayes rmayes is offline
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Think of a merge lane on an interstate.

If the constrictor isn't there, the water cannot circulate from the rear heater core into the main line. The constriction in the valve speeds up the coolant allowing it to leave/enter the main line. Without it you would get little to any hot water to the rear heater core.


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Originally Posted by Stenosis View Post
Just another confirmation...arrow points down.

What is the point of this valve?

Bless you guys for this forum!

-Sten
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Old 12-21-2011, 08:09 PM
 
 
 
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