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???
my audi 80,1991 do rev up and down by itself. my feul consumption and engine temperature are ok.my audi 80,1991 do rev up and down by itself. my feul consumption and engine temperature are ok.
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@
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
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it will run very well on 91
it is not a high performance engine so 95 can be a waste of cash at the bowser
however it is your choice to what you use as the ECM will adjust to the rating
Just stay clear of e-mix fuels
Typically bad rings, burning oil... when warms, metal expands, and seals better... check pcv system first, its cheaper, but generally will smoke at all times when bad... valve stem oil seals another posibility
the most common fault for this is the oil cooler, where the oil filter screws on ,these fail inside and allow oil and water to mix, usually in the coolant system, not a big job or cost to fix, unusual for head gaket to blow on these engines.I worked with Audi for 15 years and cannot remember any A4's that had a head gasket issue.
your fuel system is cis i would look at the injectors there known for that issue also the cold start solenoid can cause those types of problems but leaning towards the injectors
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:
The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):
In the picture above the transmission oil pan was removed for oil filter replacement.
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:
The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):
(In the picture above the transmission oil pan was removed for oil filter replacement).
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i think from memory that the oil pressure switch is at the back of the cylinder head, if its not there it will be located just above the oil filter, these switches are very cheep to buy and can be bought from any good motor factors. You are right to suspect the switch, its the first thing to eliminate before bogging your self down with more complicated and expensive problems.
my audi 80,1991 do rev up and down by itself. my feul consumption and engine temperature are ok.
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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