Question about 1991 Audi 80

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Audi 80 year 91,engine problem

My audi 80 year91 mix oil and wather i think,oil is white colour,but engine run perfect!Is it posible that it mix it somwhere else exept in head and on how many kg i have to screw head if i will change it???

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  • Anonymous Jan 17, 2009

    my audi 80,1991 do rev up and down by itself. my feul consumption and engine temperature are ok.

  • Chef74 Dec 06, 2009

    Hi my 1992 Audi 80 2.0E cut out while driving and wouldn't restart. I've checked the timing belt and it's still intact. Does anyone have any theories? C@

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This is definitely a head gasket issue. I would get a valve grind kit instead of just trying to torque it down more as it may not be a problem of the bolts being at different torques. The values will need to be looked up from a bently manual, I do not have these torque specs

Posted on Jan 13, 2009

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Hi, i have automatic passat 1999 model and recently water happens to get into the gear box and it control board, i experiences a boom sound anytime the gear is changed, the oil has been changed by the...


If no external leak and the transmission fluid colour looks white, the problem belongs to the automatic gearbox oil cooler. The oil cooler has broke mixing the gearbox oil and coolant causing this milkshake. It's a small radiator core type oil / water heat exchanger. It is cracked inside and transmission oil is mixed with engine coolant. Because the transmission oil pressure is greater than engine coolant pressure, the transmission fluid level drops. See also the coolant colour inside recovery coolant reservoir inder bonnet! It could be like this:

tdisline_495.jpg
The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):

tdisline_496.jpg
In the picture above the transmission oil pan was removed for oil filter replacement.

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If no external leak and the transmission fluid colour looks white, the problem belongs to the automatic gearbox oil cooler. The oil cooler has broke mixing the gearbox oil and coolant causing this milkshake. It's a small radiator core type oil / water heat exchanger. It is cracked inside and transmission oil is mixed with engine coolant. Because the transmission oil pressure is greater than engine coolant pressure, the transmission fluid level drops. See also the coolant colour inside recovery coolant reservoir inder bonnet! It could be like this:

9d86426.jpg

The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):

138b4e6.jpg
(In the picture above the transmission oil pan was removed for oil filter replacement).

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Jul 12, 2009 | 1988 Audi 80

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Best oil to use for audi 80


Please click HERE for information about oil, and selecting the correct weight. There are different variables to consider when selecting the "best" match for your car - like type of use, climate, etc.
Thank you for using FixYa - a FiXya rating is appreciated!!

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