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sport1
New User
Nov 26, 2012, 1:38 PM
Post #1 of 8
(2884 views)
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Hi, Guys
Need some help, got a 2006 chev. impala 3.5 L eng. No heat coming out of the vents,just cool air. Everything is wide open,inst./fan. Checked the water/coolant level (ok) still cool air.Temp. gauge stays in the center so it is not over heating.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 26, 2012, 4:31 PM
Post #2 of 8
(2843 views)
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Feel the heater hoses in the engine bay when the engine is at normal operating temperature. That both should be hot. If they are hot, you may have a blend air door issue.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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sport1
New User
Nov 26, 2012, 5:18 PM
Post #3 of 8
(2835 views)
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Checked heater hoses one was hot one was cold.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 26, 2012, 5:33 PM
Post #4 of 8
(2833 views)
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If the coolant level is good, probably wouldn't be a bad idea to flush the coolant system out. This also means back flushing the heater core with a garden hose.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Nov 26, 2012, 5:35 PM)
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sport1
New User
Nov 27, 2012, 10:44 AM
Post #5 of 8
(2797 views)
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Look I appreciate the help,I back flushed the heater coil and it worked perfect!!!! heating back to normal,again thanks for the help, appreciate it more than you know.I'am disable , saved me a lot of money.Thanks!! 
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 27, 2012, 2:13 PM
Post #6 of 8
(2789 views)
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Glad to see you have your heater back. Good idea to flush a Dex-cool system under the 5 year mark even though they claim the coolant is supposed to last in the system that long. Thanks for the follow up 
Closed as solved
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Nov 27, 2012, 2:13 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 27, 2012, 3:56 PM
Post #7 of 8
(2784 views)
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Dex-Cool did have widespread problems hit or miss. Pic used in CoolProfit$ magazine that discussed it in great detail.
So far so good with vehicles I deal with (not too many anymore) and will consider another EG than OE. AYOR if you change the trademark name.
DS - I didn't unlock this thread but do lock it if you wish??
Tom
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 27, 2012, 4:10 PM
Post #8 of 8
(2778 views)
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You probably need to thoroughly flush out the rest of the system now so it doesn't land in the heater core again.
Also pressure test for any coolant leaks be cause low coolant is the main trigger for Dexcool to sludge up.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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