Definitely low coolant warning, or the frost warning?
I've had a few False low coolant warning during cold mornings.
A restart of the engine will disable the warning.
Coolant when cold is between min and max.
How do you fix it?
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MY07 Red GTI 3 Door
Definitely low coolant warning, or the frost warning?
'07 Transporter 1.9 TDI
'01 Beetle 2.0
Definately, with a stop engine warning too.
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MY07 Red GTI 3 Door
Had this also but not on cold mornings.
Traced to a faulty sensor in the expansion tank.
Because of the way things are made today, had to replace the whole tank.
I cannot find the invoice but did happen about 5-6 years ago when the Jetta was in a novated lease. No problems since.
BeigeJet
White MY23 Tiguan 147 TDI Elegance (mine)
White MY21 Tiguan 147 TDI Elegance (wife)
Gone - Wheat Beige MY07 Jetta TDI manual
The expansion tank isn't that expensive.
'07 Transporter 1.9 TDI
'01 Beetle 2.0
Over time gunk builds up on the sensor. I have the same problem in my Occy on cold mornings.
If you can get in and clean the sensor with a tooth brush
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Thanks,
I'll try to clean the sensors this weekend.
Warning only occurs during very cold mornings.
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MY07 Red GTI 3 Door
That was my recollection.
I have found the invoice for the new expansion tank.
At the time the Jetta was 4 1/2 years old, replaced the tank at 120,000km service. Trade price on the invoice listed as $37.45 exc GST. This was in Apr 2011.
Given the failure at this time and distance and the fact the car was serviced every 15,000km at the original dealership while novated, I can only presume that it wasn't gunk related.
BeigeJet
White MY23 Tiguan 147 TDI Elegance (mine)
White MY21 Tiguan 147 TDI Elegance (wife)
Gone - Wheat Beige MY07 Jetta TDI manual
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