# Car does not heat

**URL:** <https://community.cartalk.com/t/car-does-not-heat/57274>\
**Category:** Maintenance/Repairs\
**Tags:** volkswagen, passat\
**Created:** [November 7, 2010, 3:43pm UTC](https://community.cartalk.com/t/car-does-not-heat/57274 "2010-11-07T15:43:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dan\_james](https://avatars.discourse-cdn.com/v4/letter/d/d78d45/32.png) [@dan\_james](https://community.cartalk.com/u/dan_james)\
**Post date:** [November 7, 2010, 3:43pm UTC](https://community.cartalk.com/t/car-does-not-heat/57274/1 "2010-11-07T15:43:21Z")

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air blows through system but never heats up.

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**Author:** ![knfenimore](https://avatars.discourse-cdn.com/v4/letter/k/9fc348/32.png) [@knfenimore](https://community.cartalk.com/u/knfenimore)\
**Post date:** [November 7, 2010, 3:54pm UTC](https://community.cartalk.com/t/car-does-not-heat/57274/2 "2010-11-07T15:54:39Z")

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Either the thermostat is stuck open or you have low radiator fluid. I have actually seen the thermostat removed in some older cars. I guess they thought it would fix some overheating problem. Other causes could be air in the system or the door for the hot/cold air mix is stuck.