Cold Heater

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Dec 7, 2006 | 02:25 PM

LT1_King

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Joined: Oct 2006

Posts: 134

Cold Heater

my heater blow out cold air when i turn it on. in the summer the a/c works fine and blows hard. but i n the winter when i turn on the heater it blows but just cold. do you have any idea what this could be?

Dec 7, 2006 | 02:46 PM

Sweetred95ta

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Joined: Sep 2002

Posts: 2,193

From: High Ridge, MO

First guess would be that you're low on water.

Dec 7, 2006 | 02:48 PM

LT1_King

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Posts: 134

the water level is right. it's a 94Z with green anti-freeze. it blow out but it's just cold.

Dec 7, 2006 | 02:58 PM

shoebox

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Joined: Dec 1969

Posts: 27,725

From: Little Rock, AR

Flush the heater core. It's a common problem.

Dec 7, 2006 | 03:04 PM

LT1_King

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how would you flush it out?

Dec 7, 2006 | 04:30 PM

bitchin94

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Joined: Jun 2006

Posts: 62

From: Osage Beach MO

You wouldn't happen to have a colder T-stat would you b/c that could be your prob

Dec 7, 2006 | 08:58 PM

95LT1conv

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Joined: Mar 2006

Posts: 916

From: putnam, Ct

i just did mine last weekend. i pulled the hoses off at the firewall. using a sprayer on a garden hose i sprayed the line in the right first and then a shot on the line on the left.