UK forum for general and technical discussion about the Z3 roadster
4 posts • Page 1 of 1
I have a 1998 1.9, 86,000 on the clock , and I've just noticed this week that rather than sit straght up (1/2 way), the temperature gauge needle is moving about between 1/4 and 1/2 with the heater getting cooler and back to normal as it does. No change in coolant level, but wth a new thermostat about £55 I wanted to check if this sounds like the thermostat on the way out, or possibly something else before I get it changed. Anybody got any thoughts - Thanks
Sounds like the thermostat to me. When I first got my 1.9 it was running a bit cold. As the Autumn came it got worse and when easing off the throttle pedal down hills, the gauge would fall and touch the blue. As you say, the heater got cooler as well. The problem was 100% solved by a thermostat change. It seems very common for them to stick open with age.
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