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Old 09-25-2012, 01:56 PM   #1
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What makes a 94 eat thermostats I have a 180 and its not working I've went thru 7 as of today in 2 months new water pump and rad and rad cap
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Old 09-25-2012, 02:03 PM   #2
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Maybe water pump going bad?

Make sure you're using 50/50 mix coolant?

If you have electric cooling fan make sure it's working?
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Old 09-25-2012, 02:15 PM   #3
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Quote:
Originally Posted by maldog
Maybe water pump going bad?

Make sure you're using 50/50 mix coolant?

If you have electric cooling fan make sure it's working?
New water pump new rad and rad cap and new thermostat I was told heater core may be going out I'm lost
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Old 09-25-2012, 02:52 PM   #4
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New water pump new rad and rad cap and new thermostat I was told heater core may be going out I'm lost
Well then put a new thermostat in and by-pass your heater core and that will eliminate the heater core. If no problems with it by-passed then that was it.

Also, look for any collapsed radiator hoses.
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Old 09-25-2012, 03:24 PM   #5
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What's the cheap way to bypass the heater core...
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Old 09-25-2012, 04:02 PM   #6
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What's the cheap way to bypass the heater core...
Ford Mustang: Mustang Tech: Cooling and AC systems: Heater core bypass
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Old 09-25-2012, 04:05 PM   #7
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There's two lines that run into the firewall that are the send and return coolant lines to the heater core. Drain the coolant, disconnect the lines ( on the passenger side of the firewall, right behind the throttle body) and by some little plastic heater hose connectors from any auto parts store. Just connect the two lines. Mine is bypassed, and I used a heater hose connector that is an elbow to do it. Took 10 minutes lol.

If yor heater core is bad one of a couple things will happen, either when u turn the defroster on it will leave a film on your windshield from the coolant fumes, or on the passenger side of the firewall towards the bottom you will see what looks like a fitting for a hose to connect to. It is a weep hole and coolant will leak from it. These things only happen if it ruptured tho. If its clogged they won't.
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Old 09-26-2012, 11:58 AM   #8
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Ok I bypassed the water pump now I'm good to go I guess until it gets cold hopefully I find the time to tear her down and put the new heater core in since I can't afford to pay anyone wish all my friends that live close and drive mustangs would put our heads together and hire us a mechanic to work on our car as a group then we could help as far as our knowledge goes but would b cheaper and have all the tools but they are a numb nuts maybe one day and I want to thank u all for the help. Thanks signed R CAN SAW ROY
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