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Old 29-11-10, 07:52 AM   #1
istoo
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Default 7A overheating urgent help!

HELP

90 overheated today on the way to work, -5 here this morning, was never above 40mph, was sat at a junction for 5 minutes waiting to get out and the temperature red icon comes up. Shit need to get moving get some air flow. So i went for a tight gap, bearing in mind its snowing heavy here already well over a foot. made it to 5 miles to office, as i pulled in a wall of steam belthches out. Engine off... it beltched a few times then the after run fan kicked in. Was the fan working before, not 100% sure.

The S4 is getting an electrical fault fixed 50 miles away there is 18in of snow at home and the other car is a BMW. I really need good suggestions quickly! What do i check? Could there be a frozen blockage?
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Old 29-11-10, 07:55 AM   #2
BIGGYIN
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Default maybe overlooked?

Anti freeze ratio,correct?
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Old 29-11-10, 07:59 AM   #3
istoo
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going to have to honestly say, i dont know. So i will assume no.
Used the car all last week bar Sunday, we have has snow since Monday. and its been baltic since then, that said yesterday was by far the coldest day...

Does that sound likely?
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'91 90 quattro 20v (nog)sport
'10 A6 avant lemans
'01 E46 M3 coupe
---
'93 urS4 avant
'93 2.8 coupe quattro
'03 2.5 tdi quattro sport
'02 1.8T A6 avant
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Old 29-11-10, 08:08 AM   #4
Gouldy
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seems like it could have frozen up, did it warm up ok etc
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Old 29-11-10, 08:14 AM   #5
istoo
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yeah, in this weather i leave it running for a few minutes before setting off.
Had been driving at 30mph or so for 15 minutes before the temp came on, it was when i stopped it kicked in.
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'91 90 quattro 20v (nog)sport
'10 A6 avant lemans
'01 E46 M3 coupe
---
'93 urS4 avant
'93 2.8 coupe quattro
'03 2.5 tdi quattro sport
'02 1.8T A6 avant
'92 2.8E 80 saloon
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Old 29-11-10, 10:04 AM   #6
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only good idea (which might not be possible) is get it indoors/heated to thaw it out..
replace antifreeze/find leak..fix leak...... might be a recovery job otherwise.
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Old 29-11-10, 10:10 AM   #7
istoo
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no chance of getting it inside at the moment. recovery, oh bollocks.
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'91 90 quattro 20v (nog)sport
'10 A6 avant lemans
'01 E46 M3 coupe
---
'93 urS4 avant
'93 2.8 coupe quattro
'03 2.5 tdi quattro sport
'02 1.8T A6 avant
'92 2.8E 80 saloon
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Old 29-11-10, 10:18 AM   #8
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there was a thing, on here maybe?, last winter talking about the movement of air itself through the radiator, while the car is in motion, actually feezing the coolant. might explaing why it froze after some time..? or maybe it was just frozen all along and just took that long to overheat.
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Old 29-11-10, 10:27 AM   #9
Phil Payne
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Quote:
Originally Posted by istoo View Post
What do i check? Could there be a frozen blockage?
Is the radiator getting warm at all? Have you tried reaching down and squeezing the bottom hose?
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Old 29-11-10, 11:12 AM   #10
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Have you checked your hoses? As we all know rubber expands and contracts massively throughout the cold weather. You may have a cracked hose?
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