so, the VL was taking a while to get up to temp, and wasn't keeping the temperature as steady as I would have liked.
so, I replace the thermostat, new coolant, and new hose clamps (about $80 worth total)
and now it gets upto temp quicker, but it doesn't maintain the temp properly, and gets hotter (too hot)
as you may know, the VL has 6 bars on the temperature scale, where should it be sitting?
after about 5 minutes of driving, its upto 2.5 bars... after another 15 minutes, its slowly climbed upto just over 3 bars... put it under slight load (Adelaide freeway) and it makes it way upto 4.5bars, and this is at night, with the ambient temp below 15 degrees.
the old thermostat, it never got this high, but would also sit lower with city driving.


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Checked GM and they discontinued selling them 2005.
) so your sender must be different to mine then ?
