Low coolant temps and no heat [Forums - C4 Technical]

C4 Technical > Low coolant temps and no heat	« 1 (2)
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jsup	Re: Low coolant temps and no heat	#51
Elite Guru 1778 Posts Member since: 2005/9/9 0:00	Quote: bogus wrote: Quote: CentralCoaster wrote: On mine it uses vacuum from the a/c control head to open or close the valve. I think it's set to always allow a little bit of flow to keep the heater core from rotting out. Your a/c controller doesn't use vacuum though. On the LT1, the heater core is constant flow. Maybe it's clogged....hmmm... How does a constant flow work in the summer? How do they keep the heat down.
	Posted on: 2008/11/27 22:01
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BillH	Re: Low coolant temps and no heat	#52
The Stig Moderator Reno 22702 Posts Member since: 2007/12/25 0:00	Quote: jsup wrote: How does a constant flow work in the summer? How do they keep the heat down. They don't! The path to the heated core is shut off by the temperature mix door but it's still there with hot water in it. Even when you first turn on the vent, it's hot. I always hit the A/C for a minute before going back to vent in the summer. On hot days, the vent isn't enough. Hell, I run the A/C with the windows down just to cool my feet sometimes.
	Posted on: 2008/11/27 22:24
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Schrade	Re: Low coolant temps and no heat	#53
Elite Guru eastern NC / e-i-e-i-o 1909 Posts Member since: 2008/8/15 2:01	If I have to drain good coolant, it goes into a scoured-out bucket, and still gets filtered through a coffee filter before goin' back in. No reason to toss good juice...
	Posted on: 2008/11/28 4:28
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jsup	Re: Low coolant temps and no heat	#54
Elite Guru 1778 Posts Member since: 2005/9/9 0:00	Ya know, having the HC in constant flow probably also helps with engine cooling a bit too.
	Posted on: 2008/11/28 13:47
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Schrade	Re: Low coolant temps and no heat	#55
Elite Guru eastern NC / e-i-e-i-o 1909 Posts Member since: 2008/8/15 2:01	Quote: jsup wrote: Ya know, having the HC in constant flow probably also helps with engine cooling a bit too. Yup. And if you got Sux-cool in your lines, keep it turned on high as much as tolerable.
	Posted on: 2008/11/28 14:38
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