I have a 04 cavalier with exhaust fumes coming from the heater when on . The exhaust is not loud. Winter is coming and I dont want to be gassed to death Can anybody help?
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The most common cause is an exhaust leak in the engine compartment near the engine. The exhaust fumes are pulled into the passenger compartment thru the heater vents. Switching to Rec might cut off the intake of air from outside.
fuel injector washer needs replacing when this fault occurs somtime it is not apparent some times you get a noise remove plastic cover on top of engine start up and look for carbon build up around any of the fuel injectors also for exhaust gas leakage the fumes are pulled in to the cabin via heater ducts mainly when vehicle is at a standstill good look.
if inded the smell of exhaust is getting into your car i would suggest not driving it until it is properly checked by a licensed meachanic. it could be entering through your heater/AC blower and in return be fatal if left untouched for a period of time
the vehicle may need a service to ensure all fuel is being burned on ignition.
the exhaust may be broken under the car and exhaust fumes are being released.
The most common source for this is oil leaking on to the exhaust manifolds. The fumes get picked up by the heater air intake...Look for other leaks while there.
Hello dedunwoodie. Your heater core is beginning to leak coolant. As the fan blows through it it is picking up the liquid and depositing it on your windshield. It will need to be replaced to solve your problem.
I get the feeling this is the first time you've used the heater? Its probably accumulated dust. As long as you don't get a burning smell or smell exhaust fumes you should be ok after a few hours use.
What type of fumes are they exhaust or oil burning.
Exhaust ..Idle engine and put glove on hand put hand over the tail pipe and if engine stops in 20 seconds then the exhaust is good if it keeps running then its the exhaust is your problem..
2 if ex ok then its due to the breather pipe on the engine and it should go back into the inlet manifold to be reburnt but if its not fitted or rubber hose split or broken then thats what you can smell.
So check out under the bonnet and see if you can smell or see any smokey fumes or sucking noise.
Can you see smoke when you start engine.
Let me know ASAP Ron
Hi, What you have is a leak in the exhaust system. What you need to is take the vehicle to a repir shop (anyone that can weld) Drive the car up a ramp, and start it, you will see the fumes emitting from the hole in the exhaust and entering the heater ventilation system(thats how its getting in the car) simply weld the leak shut. Ps It can also be the exhaust manifold gasket that needs replacing, check for a leak first.
no, the car is not loud
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