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11-13-2015, 11:20 AM
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#1 |
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Registered User
Join Date: Feb 2015
Location: Fair Grove Mo
Posts: 103
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Steam blowing in cab
I just got my heater core changed and now im having steam blowing into my vents. Anyone have any idea what that could be? thanks
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11-13-2015, 11:23 AM
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#2 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 12,957
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Re: Steam blowing in cab
Its probably a damaged New heater core.
__________________
Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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11-13-2015, 11:55 AM
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#3 |
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Registered User
Join Date: May 2014
Location: PA
Posts: 1,417
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Re: Steam blowing in cab
You may have punctured the new heater core with the screws that hold the brackets in the box.
__________________
1967 C10, LWB, 250, Powerglide, PS, PB, 3/4 STATIC DROP |
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11-13-2015, 12:19 PM
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#4 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,921
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Re: Steam blowing in cab
Either that or one of the hoses is leaking and its getting inside the heater box.
Gary
__________________
'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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11-13-2015, 12:26 PM
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#5 |
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Senior Member
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,795
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Re: Steam blowing in cab
I don't think it's likely to be hoses or clamps, since those are on the other side of the firewall. Of course, if the foam insulation between the core and the firewall is missing, it's possible steam could get in there. It can't hurt to check to make sure the clamps are tight.
Best case scenario would be a factory-defective heater core (it happens). But as the others stated, it's also very possible you damaged it during the installation. I would remove it very carefully, so that if it is a factory defect you can have the part house replace it. |
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11-13-2015, 12:40 PM
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#6 |
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Registered User
Join Date: Mar 2015
Location: susanville ca
Posts: 1,170
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Re: Steam blowing in cab
I would think its the heater core,had it happen before,
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11-13-2015, 01:34 PM
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#7 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,921
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Re: Steam blowing in cab
Had a upper heater hose leak at the clamp at the heater core in a '67 C10 and coolant seeped into the box over the core... nice and foggy windows.
Gary
__________________
'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
Quote:
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11-15-2015, 11:54 PM
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#8 |
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Registered User
Join Date: Feb 2015
Location: Fair Grove Mo
Posts: 103
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Re: Steam blowing in cab
It was indeed a bad heater core! Thanks guys!
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11-16-2015, 12:08 AM
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#9 |
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Registered User
Join Date: Jul 2011
Location: strausstown pa
Posts: 3,394
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Re: Steam blowing in cab
I'm sure that was something you didn't wanna do twice.
Had that happen on a 1st Gen s10 once. Not fun.
__________________
81 camaro 355 4/spd 342 posi my first love  .67 swb step 454/4spd ott 373 posi 4/7 drop. 2000 s10 zr2 little blue truck that never gets stuck. '74 heald super bronc vt8. tecumseh powered moon rover. |
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