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12-06-2016, 12:11 AM
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#1 |
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Registered User
Join Date: Dec 2016
Location: Belton Mo
Posts: 4
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'71 Chevy C10 with no heat
My husband has a '71 C10 with no heat. He changed the radiator (it leaked) - changed the thermostat, heater core, water pump, flushed it - everything he could think of......heater still won't work. Is there anything he might not be thinking of to check?
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12-06-2016, 12:14 AM
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#2 |
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Registered User
Join Date: Nov 2016
Location: Batavia, Illinois
Posts: 18
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Re: '71 Chevy C10 with no heat
Is the heat not working or the fans?
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12-06-2016, 01:18 AM
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#3 |
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Registered User
Join Date: Dec 2016
Location: Belton Mo
Posts: 4
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Re: '71 Chevy C10 with no heat
The fans work
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12-06-2016, 01:24 AM
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#4 |
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Registered User
Join Date: Sep 2016
Location: Vancouver BC
Posts: 784
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Re: '71 Chevy C10 with no heat
An air lock is often the problem when the heater fails to produce heat. It is necessary to "burp" the cooling system to get the last of the air out of it.
__________________
Rick -69 GMC 910 Long Box, 350 -98 Chev Silverado 1500, 350 Vortec 4L60e -08 Mustang GT Convertible |
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12-06-2016, 10:52 AM
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#5 | |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,542
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Re: '71 Chevy C10 with no heat
Quote:
Post a pic of the engine bay. |
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12-06-2016, 11:37 AM
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#6 |
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Registered User
Join Date: Nov 2005
Location: Newton
Posts: 174
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Re: '71 Chevy C10 with no heat
Heat exchange valve possibly not opening. Located on the passenger fender on my 72.
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12-06-2016, 02:18 PM
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#7 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: '71 Chevy C10 with no heat
the cavity behind the fan is clogged up with 45years off crap nnot allowing air to maove// remove the fan and clean out to allow airflow
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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12-06-2016, 02:19 PM
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#8 |
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So,, what else you got???
 
Join Date: May 2010
Location: Jackson, Mo
Posts: 18,637
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Re: '71 Chevy C10 with no heat
Yep,, probably full of mice nests...
__________________
Our paypal is specialtyretail@yahoo.com Please DO NOTsend paypal funds as a gift, right is right. Thanks.... Sorry, we CANNOT ship larger parts. Thanks.
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12-06-2016, 02:36 PM
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#9 |
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Registered User
Join Date: Jun 2014
Location: lakefield,mn
Posts: 566
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Re: '71 Chevy C10 with no heat
If the heater core was replaced the collection of a mouse nest should have been found. Don't these have a hot air flapper door? Maybe the door, cable, or control is broken not allowing the hot air flapper to open.
__________________
68 c10 swb stepper 68 c10 swb stepper 67 c10 lwb 06 gmc duramax |
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12-06-2016, 10:08 PM
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#10 |
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Registered User
Join Date: Dec 2016
Location: Belton Mo
Posts: 4
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Re: '71 Chevy C10 with no heat
Thanks for all your replies - it turned out to be the only hose he didn't check. No mouse nests.....it's driven everyday (almost) no chance for any nest to be built.
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12-07-2016, 03:29 PM
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#11 | |
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70+ ( Old Skool Club )
 
Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,107
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Re: '71 Chevy C10 with no heat
Quote:
__________________
1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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12-08-2016, 02:04 AM
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#12 |
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Registered User
Join Date: Dec 2016
Location: Belton Mo
Posts: 4
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Re: '71 Chevy C10 with no heat
I'll post some first chance I get. Hopefully soon
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