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Old 06-18-2003, 22:43   #1 (permalink)
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Join Date: May 2002
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EA Heater Problem

Hi,

Im having problems with the heater on my EA CFI, on gas. When the car warms up the heater runs fine, normal heat. However, when i idle in traffic for 5 minutes or so, the heater will go completely stone cold.

Ive changed thermostats, so that isnt the problem, and the heater tap works fine. Also the heater tap will default to open on a loss of vacum, so i dont think its that side, and the tap itself functions fine.

Once im driving down the road again she'll warm back up to normal temp.

This is really annoying, so if anyone has any suggestions, let me know...

Jase

Last edited by galapogos01; 06-18-2003 at 22:54.
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Old 06-19-2003, 03:23   #2 (permalink)
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Have you a dual acting thermostat fitted?
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Old 06-19-2003, 04:03   #3 (permalink)
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Yes, as far as i know it is.

heres a pic so you can check: thermostat

Last edited by galapogos01; 06-19-2003 at 04:56.
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Old 06-19-2003, 04:15   #4 (permalink)
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yes, as far as i know it is.

heres a pic so you can check:

thermostat
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Old 06-19-2003, 21:05   #5 (permalink)
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Have u checked your vacuum lines in the engine bay. They might be kinked or partially blocked, not giving enuf vacuum to the heater valve when the vacuum is low while idling. Something to check

Brent
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Old 06-20-2003, 02:02   #6 (permalink)
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Re: EA Heater Problem

so how can you cheak is its dual acting? Whats brands make them?
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Old 06-20-2003, 11:45   #7 (permalink)
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Re: EA Heater Problem

Here is a previous thread, with photo, courtesy of AB.

EB Climate Control.
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Last edited by TopGhia; 06-20-2003 at 11:47.
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Old 06-22-2003, 18:55   #8 (permalink)
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When the heater vacum line is disconnected, the tap defaults to open. Hence kinked vacum line = no vacum = full heater.

Any other ideas?
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Old 06-22-2003, 20:55   #9 (permalink)
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Re: EA Heater Problem

is it at all possible that the heater core/gas convertor are plumbed incorrectly to the bypass lines?

the page at http://www.are.com.au/feat/techt/thermostat.htm describes the bypass outlet as being closed when the engine reaches full operating temperature. i thought there needed to be flow through the bypass to ensure the heater operates?

Jase
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Old 06-23-2003, 21:38   #10 (permalink)
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Re: EA Heater Problem

any ideas? :/
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