Q: There is a smell when the heat is on

asked by on November 04, 2016

Sweey smell sometimes when heater on. It's not all the time and when looked under the hood the coolant overflow was normal

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Brake lights on trunk not working
For some reason, when consulting the wiring diagram, I don't see a trunk mounted brake light listed. I only see the high mount (one in the rear window) listed. Regardless, if the trunk bulb is not working with a new...
can i charge my car battery with car cables still connected and charger machine on
You should not have a problem as long as you charge at a low rate and do not turn on the key while charger is on. A lot of people use a trickle charger to keep their battery topped off...
What temperature should my AC being blowing out at the vents?
One thing you must realize is that, as advanced as these systems are, you may only get a 15 to 25 degree reduction in the ambient temperature. When using the re-circulation option, air from inside the cabin is run back...
Mileage is very low;
If you have not had any maintenance done then have a complete computer scan test (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) done to see if any codes are present. Perform any maintenance needed like air filters (https://www.yourmechanic.com/services/air-filter-replacement), fuel filters (https://www.yourmechanic.com/services/fuel-filter-replacement), and oil changes (https://www.yourmechanic.com/services/oil-fluid-leak-inspection). You...
Engine misfiring on cylinders 2, 4, or 6
Hello. There is a possible recall (https://www.yourmechanic.com/article/what-to-do-if-your-car-is-recalled-by-jason-unrau) for the ignition control module on your vehicle. You will need to contact a GM dealer and see if your vehicle is on the recall list for the recall [03v231000](http://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=R&searchCriteria.nhtsa_ids=03V231000) ignition control module...
I have a 87 VW Scirocco w 32000 miles. I just replaced the water pump and did the timing belt.
Hi there. Check the timing between the camshaft and the crankshaft and make sure that they are in time properly. It is possible that the timing could be off when the timing belt was changed. The number 1 piston should...
My car would start and turn off. I was told by dealership that I had a bad fuel pump driver module. When replaced it did not fix
I would suggest having the alternator (https://www.yourmechanic.com/services/alternator-replacement) checked to determine if it is receiving the proper amount of voltage from something called the voltage regulator. The voltage regulator regulates the charging voltage that the alternator produces, keeping it between 13.5...
When i cut on my defrost there is a pinging sound that the car makes for bout 15 secs .
The pinging noise may be the a/c mode door actuator motor moving and if it is making a clicking noise then it may be bad and need replaced. For the engine noise this would need to be listened to by...

Related articles

How to Buy a Good Quality Heat Shield
Heat Heat shields are used to keep everything cool and under wraps when you are heating it up on the track or just on the road in a hot part of the country. A heat shield provides necessary protection for...
Is it Safe to Drive With an EVAP Leak?
While it is safe to drive with an EVAP system leak, it causes excess car pollution. Fixing the problem is often as simple as tightening the gas cap.
How to Clean the Interior Roof of a Car
Car headliner fabric can absorb smells and become stained. Use a car upholstery cleaner to clean your car's interior fabric and roof.