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Author
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Topic: HELP, heater is not working
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quickblue302
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Member # 7912
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posted
 
 
When I turn on my heater the fan blows but does not heat up; same w/ air conditione. The fans blows strong. I checked the radiator, some of the hoses, and the fuse; basically everything I could think of. What could causes this?
[ September 21, 2007, 05:08 PM: Message edited by: quickblue302 ]
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Eat rice it's good for you!
Posts: 624 | From: sac | Registered: Sep 2007
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rgtrahn
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Member # 7133
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posted
Anyone?
Posts: 781 | From: Roseville | Registered: Oct 2006
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925GT50
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Member # 2683
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posted
heater core?
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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)
Posts: 2443 | From: 925 | Registered: Apr 2003
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Mean2001GT
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Member # 1750
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posted
is air coming out of the vents? is so, then it does sounds like a heater core problem. there are doors in the heater core assembly that are probably malfunctioning that reroute the air. in your situation, it sounds like the blend door.
this could be cable operated or vacuum. i'm not sure on these...
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--Silver 2001 GT--
13.020 @ 110.46
340.2 rwhp
339.8 rwtq
Posts: 158 | From: San Ramon, CA | Registered: Aug 2002
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Blind
2.3L
CAFords OG
Member # 3052
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posted
check under the hood to make sure the heatercore lines are running from the engine to the firewall and back, and not bypassing the heatercore with the 2 hoses looped together.
just look right behind the throttle body, you'll see the heatercore tubes sticking out of the firewall.
if the heatercore is bypassed you won't get any heat because the engine coolant isn't heating it up.
it was probably bypassed because it was leaking, and it's a PITA of a job to replace.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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