Volvo V40 Thermostat Problems

Problems mentioning the Thermostat on the Volvo V40
Problem starting engine when warm
1997 20T CD Auto
Posted: Mar 29, 2008
1
reply
High engine temperature
2015 V40 R-Design D2
Posted: Aug 29, 2024
5
replies
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What problems can be caused by a faulty Thermostat?

Check Engine warning light showing on dashboard

The dashboard warning light showing on this page (or one very similar, sometimes a slightly different shape or colour) has appeared on the dashboard and doesn't go off when the car is running.

Engine Temperature warning light showing on dashboard

The engine temperature warning light shown in the picture (or one very similar depending on the car manufacturer) has appeared on the dashboard and stays on.

Heater not working

The heater does not come on at all, the controls make no difference, there is no sound or hot air coming from the heater.