2004-2009 Mazda 3 4 Door In Case of an Emergency -> Overheating User Manual
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In Case of an Emergency -> Overheating for Your Mazda 3 4 Door First Generation (2004-2009)

In Case of an Emergency  
Overheating  
If the temperature gauge indicates  
overheating:  
Overheating  
If the temperature gauge indicates  
overheating, the vehicle loses power, or  
you hear a loud knocking or pinging  
noise, the engine is probably too hot.  
1. Drive safely to the side of the road and  
park off the right-of-way.  
2. Put a vehicle with an automatic  
transaxle in park (P), a manual  
transaxle in neutral.  
WARNING  
Apply the parking brake.  
3. Turn off the air conditioner.  
4. Check whether coolant or steam is  
escaping from under the hood or from  
the engine compartment.  
Cooling Fan and Engine  
Inspection:  
Inspecting the engine with the ignition  
switch in the ON position is  
dangerous. The cooling fan could turn  
on unexpectedly even when the engine  
isn't running. You could be seriously  
injured by the fan. Turn the ignition  
switch off and remove the key from the  
ignition switch when you inspect the  
engine.  
If steam is coming from the engine  
compartment:  
Don't go near the front of the vehicle.  
Stop the engine.  
Wait until the steam dissipates, then  
open the hood and start the engine.  
If neither coolant nor steam is  
escaping:  
Open the hood and idle the engine until  
it cools.  
Cooling System Cap:  
When the engine and radiator are hot,  
scalding coolant and steam may shoot  
out under pressure and cause serious  
injury. Don't remove the cooling  
system cap when the engine and  
radiator are hot.  
CAUTION  
If the cooling fan does not operate  
while the engine is running, the engine  
temperature will increase. Stop the  
engine and call an Authorized Mazda  
Dealer.  
Steam from Overheated Engine:  
Steam from an overheated engine is  
dangerous. The escaping steam could  
seriously burn you. Open the hood  
ONLY after steam is no longer  
escaping from the engine.  
5. Make sure the cooling fan is operating,  
then turn off the engine after the  
temperature has decreased.  
6. When cool, check the coolant level.  
If it's low, look for coolant leaks from  
the radiator and hoses.  
7-12  
In Case of an Emergency  
Overheating  
If you find a leak or other damage, or if  
coolant is still leaking:  
Stop the engine and call an Authorized  
Mazda Dealer.  
If you find no problems, the engine is  
cool, and no leaks are obvious:  
Carefully add coolant as required (page  
8-17).  
CAUTION  
If the engine continues to overheat or  
frequently overheats, have the cooling  
system inspected. The engine could be  
seriously damaged unless repairs are  
made. Consult an Authorized Mazda  
Dealer.  
7-13  

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