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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 01-11-2017, 09:32 PM   #3381
Stinger9
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Join Date: Sep 2011
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Quote:
Originally Posted by BMOne View Post
I can hear a slight chirping sound when first starting the car in the morning, seems to go away after. coolant level looks good and I haven't needed to put in anymore in today.

Is it really not recommended to open the bleed screw just a bit when it's warm/hot to lose the air?

Temp seems to go up to 98c (seen it at 99c for a sec) then goes down is this normal ?
Please learn how not to double post. And erase one of the dupes so we won't be seeing double for years.

Chirping is very likely a drive belt bearing on the way to fail. Learn how to tell which one is bad or replace all three before you reach catastrophe soon. I'm not kidding.
Opening the bleed screw when warm and running will not only do no good, it will do harm. It will lose the good bleed you may have had.
Learn the in's and out's of your car better as these are beginner questions. Your car will stay in better shape that way.

Fluctuating temp may be due to old thermostat, or less than a perfect bleed. You must follow the procedure accurately.
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Old 01-11-2017, 10:20 PM   #3382
jmo69
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Pull the belt and spin the tensioner and idler pulleys, they should be silent. Or use a wooden dowel and touch something solid as close to each pulley as possible. On the idler you could use the bolt that holds it on and hold the other end to your ear, the sound will transmit through the dowel. Just be careful of the belts.
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Old 01-14-2017, 04:46 PM   #3383
Mr.Wilson
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if you cant get bmw coolant get Zerex-G48 closest and best other than that dont do it lol
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Old Yesterday, 07:19 PM   #3384
bezender
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Join Date: Aug 2016
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Hi all,

after doing a cooling system re-fresh another weak point has come to light...

i have the ol' misty windscreen so it looks like im in for some heater core fun. Does anyone know if there is a way to tell what type of heater core i would have prior to pulling the stereo etc. out?

this:
http://www.realoem.com/bmw/enUS/show...diagId=64_0818

Or this:
http://www.realoem.com/bmw/enUS/show...diagId=64_0993

Cheers lads,
Carl
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Old Yesterday, 08:51 PM   #3385
jmo69
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This one is for cars built up to 9/1999 http://www.realoem.com/bmw/enUS/show...diagId=64_0993 what's your build date?
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Old Yesterday, 09:34 PM   #3386
bezender
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Quote:
Originally Posted by jmo69 View Post
This one is for cars built up to 9/1999 http://www.realoem.com/bmw/enUS/show...diagId=64_0993 what's your build date?
Thanks jmo69, I dont know the build date off the top of my head but it was a '99 car so thankfully i asked!
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bleeding, coolant, cooling system, diy cooling, expansion tank, lower hose sensor, overheat, radiator, radiator hose, temp sensor, temperature sensor, thermostat, water pump

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