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Old 01-06-2011, 09:14 PM   #1
noga
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Default Heating Problem

So my 98 has had this issue ever since I got it, but during the winter time the car will heat up perfectly fine when its sitting at idle...but when I start driving in this cold weather the needle drops drastically and will hold to right past the blue portion on the gauge...anybody know why?
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Old 01-06-2011, 09:16 PM   #2
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This gets asked about once a week. You have a bad thermostat. Replace it and don't forget to bleed the system.
http://www.318ti.org/forum/showthread.php?t=27983
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Old 01-07-2011, 02:15 AM   #3
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Welcome to the club. Mine does it too. Thermostat is stuck open, but I can't spring 50 bucks for one right now.
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Old 01-07-2011, 06:01 AM   #4
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Hey noga if you plan to replace the thermostat make sure to buy the housing also! Bastards tend to chip and crack when you replace them so it's just easier to replace the whole set. Instead of 50, your probably looking at 70-80. Just replaced mine so GL!
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Old 01-07-2011, 08:27 AM   #5
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Quote:
Originally Posted by Canadian View Post
Hey noga if you plan to replace the thermostat make sure to buy the housing also! Bastards tend to chip and crack when you replace them so it's just easier to replace the whole set. Instead of 50, your probably looking at 70-80. Just replaced mine so GL!
His car is a '98 which means it has an M44 which also means that the thermostat is integrated into the housing. They're sold together, unlike the aluminum housings and thermostats used on M42's
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Old 01-07-2011, 06:43 PM   #6
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Quote:
Originally Posted by Canadian View Post
Hey noga if you plan to replace the thermostat make sure to buy the housing also! Bastards tend to chip and crack when you replace them so it's just easier to replace the whole set. Instead of 50, your probably looking at 70-80. Just replaced mine so GL!
Autohouseaz.com has them for $44.
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Old 01-08-2011, 03:01 AM   #7
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His car is a '98 which means it has an M44 which also means that the thermostat is integrated into the housing. They're sold together, unlike the aluminum housings and thermostats used on M42's
Ohh haha i didn't know, (even though i have a M44) :S, but thanks for useful info jess!
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Old 01-08-2011, 03:03 AM   #8
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Ohh haha i didn't know, (even though i have a M44) :S, but thanks for useful info jess!
No worries mang
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Old 01-09-2011, 03:25 AM   #9
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Been there before. You really have to worry when if finally starts running normal when it is freezin' out. Thats when your Thermostats days are really numbered!
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