Question about 1994 Jeep Grand Cherokee

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I have a 2001 Jeep Grand Cherokee. Originally blew only cold air no matter what the heat settings were at. Then blower stopped working. Discovered wires were corroded and replaced them as well installed heater treater for blend doors. Now blows only cold air! Ideas?

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Either bad recirc doors or a possible bad heater core. Open the hood and when the car is warmed up to mid point on the temp gauge look on the passenger's side firewall under the hood. You will see 2 black rubber hoses running through the firewall. Feel each hose and if one of the 2 are cold then you have a bad heater core. Otherwise most likely the recirc door.

Posted on Jan 31, 2010

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Posted on Jan 02, 2017

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1 Answer

2001 jeep grand cherokee,heat and a/c do not bloww hot or cold air


Bernard,

HVAC failure
the car has 2 classes of HVAC< manual and ATC
the blower must blow on high.??? does it on high?
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the ATC has self test too. .with over 30 errors possible.

use comments to respond, not a new post. please.

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