Question about 2002 Dodge Durango

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02 Durango: loud engine/exhaust sound. Also Recently noticed the cooling fan running more than normal; had someone check the antifreeze/coolant....it was empty....had them put in a 50/50mix of coolant and water. Still sounds loud when started but after running bit sounds normal. Still sounds loud when started but after running a bit (engine has warmed to "normal" operating temp I guess) sounds normal. What is this? Engine never overheated and temp gauge never came on

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That noise is probably the air injection system which is part of the emmision system. When it is making that noise, open the hood and determine where it is coming from, note if it is a mechanical sound, etc. The air injection if equiped would sound almost like forced air scaping somewhat like an exhaust leak, but less intense.

Posted on Aug 12, 2009

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SOURCE: 02 Durango: loud engine/exhaust sound. Also

Keep an eye on the coolant level, you might have a cracked engine block!!!
Watch for steam around Motor Block once the engine gets warm.

Posted on Jul 14, 2009

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Diagram for cooling system bleeder valve 02 deville


There isn't one !
Filling Procedure
Notice: Do not add cold water to the cooling system with the engine at or above operating temperature. Adding cold water causes rapid cooling, resulting in possible engine damage.
NOTICE: When adding coolant, it is important that you use GM Goodwrench DEX-COOL® or HAVOLINE® DEX-COOL® coolant. If Coolant other than DEX-COOL® or HAVOLINE® DEX-COOL® is added to the system the engine coolant will require change sooner; at 50 000 km (30,000 mi) or 24 months.
Notice: Do not use a solution stronger than 70 percent antifreeze. Pure antifreeze can freeze at -22°C (-8°F).
Important: This engine is not equipped with block drains, 2.5 L (2 qt) of residual coolant remains in the engine block.
Refill the cooling system. In order to ensure sufficient engine cooling, freezing and corrosion protection, maintain the protection level at -37°C (-34°F) or lower.
Start the engine.
Place the heater and A/C control in any A/C mode except Max and the temperature in the highest setting.
Allow the engine to continue idling until the lower radiator to water pump hose is hot.
Turn OFF the engine.
Allow the engine to cool to outside temperature. Ensure the coolant level in the surge tank is at the proper level (1).

Nov 19, 2016 | 2002 Cadillac Deville

2 Answers

Dodge durango 2004 hemi over heating after all the repairs i have done new radiator,water pump hoses , clutch fan, radiator cap and 3 different thermostats,


The cooling system has to be bleed of air.To do this locate the bleeder on the coolant inlet on engine. Remove the bleeder and the radiator cap, fill with coolant until there are no more air bubbles coming out of bleeder. Top off resivor close bleeder replace cap. Start and let it get to normal operating temp, If all is good now you are finished. If it still overheats let it cool off until there is no pressure on upper hose .Carefully remove cap and repeat bleeding process

Dec 21, 2013 | 2004 Dodge Durango

1 Answer

Issue with coolant system: Issue began after I had radiator shop in Sonora Ca. flush out system and replace thermostats as normal maint. and they put the t stats in wrong holes. I only noticed after they...


AFTER REPLACING THERMOSTAT DONT STOP OVERHEATING.CHECK THE COOLANT FAN CLUTCH.WITH HOT ENGINE THE CLUTCH FAN SHOULD HAVE RESISTANCE WHEN TURNING IT WITH HAND.IF NOT FREEWHEEL.FAULTY CLUTCH FAN.HAVE TO REPLACE CLUTCH ON FAN.BAD CLUTCH ON COOLING FAN WILL CAUSE ENGINE OVERHEAT.WHEN CLUTCH FAN FREEWHEELS AT HIGH SPEEDS NOT PULLING ENOUGH AIR THROUGH RADIATOR CORES TO COOL DOWN ANTIFREEZE AND ENGINE.

Feb 16, 2011 | 2004 Chevrolet Silverado 3500

1 Answer

Over heating. Replaced thernostat and radiator and serpetine belt. No leaks. Compression test good, cool air blows but not heater air. Dual electric fans blow. No antifreeze lost. Over heats while driving...


the 97 to 02 were famous for bad gaskets between the intake manifold and heads. this caused loss of coolant. pull oil fill cap off and see if is foamy on bottom, sniff for coolant smell in exhaust. suppose you would have noticed oil in old coolant as you drained it.

Dec 15, 2010 | 2004 Chevrolet Impala

1 Answer

1999 Olds Alero 4 cyl running hotter than normal. One mechanic says it's Heat sensor that opens and closes. The other mechanic who ran car says it was thermostat that turns on dual fans. Ok well one was...


REPLACE THERMOSTAT.ITS STICKING CLOSE TO KEEP COOLANT FROM CIRCULATING THROUGH ENGINE AND RADIATOR. THE FANS SHOULD COME ON WHEN VECHICLE SETTING AT A LONG IDLE.THE COOLANT TEMPERATURE SENSOR GET TO CERTAIN TEMPERATURE WHICH WILL COMPLETE CIRCUIT PCM SEND POWER TO COOLANT SENSOR THEN TO COOLANT FANS RELAYS AND FANS.IF VECHICLE OVER HEATING WHILE MOVING THERMOSTAT FAULTY.IF YOU TURN AC AND COOLANT FANS DONT RUN CHECK COOLANT FANS FUSE AND RELAY.IF COOLING FANS DONT TURN ON WITH AIR CONDITIONER ON EITHER COOLANT TEMPERATURE SENSOR FAULTY OR PCM FAULTY.IF ALL LOOKS GOOD.IF ENGINE OIL LOOKS LIKE MILK SHAKE.YOU HAVE BLOWN HEAD GASKET.

Nov 11, 2010 | 1999 Oldsmobile Alero

3 Answers

2002 malibu runs hot.


Sounds like you have a faulty head gasket or maybe a cracked head.This can cause overheating and the check engine light to come on.The code for the o2 sensor is probably caused by coolant getting into the exhaust system and coating the sensor.The coolant fan may work but it cannot remove enough heat from the rad to make the engine cool off.Try some engine coolant stop leak to see if it will help.This maybe only a temperary fix.Let me know if you need more.MOE

Jun 22, 2010 | 2002 Chevrolet Malibu

2 Answers

I have a 2000 dodge durango that always run hot and smells like antifreeze . i believe someone is putting something in my fuel tank to cause this. please help, thank you


does the temperature gauge say its running hot? Does the low coolant warning light come on? if yes to both then you probably have a small pinhole leak in a coolant line or a leak in the heatercore. pull the dip stick out dont wipe it, does it look brownish-black with small bubbles in it? it should just look black and not smell burnt. if its black thats good! Now go to you exhaust pipe with the engine running is there a lot of water coming out?..a little tiny bit is normal especially on a cold morning. stick finger in exhaust pipe and rub along inside surface...what color is the exhaust grime? it should be light brown to dark brown...if car is tuned properly. go wash finger off now Lol!! if its brown your engine is running perfectly and i dont believe anyone has put anything in your gas tank....so now you just have to see if the warning lights came on due to lack of maintenance or a true failure of the coolant system. Get the car real hot drive it around then lift up the hood and start looking for leaks, if you dont see any sign of leaks, then your car should be running at a normal temperature gauge indication...you need to check this its important the engine temperature has to be approx 180 to 195 degrees +/- 5 degrees if its only running at 100 degrees the thermostat is stuck in an open loop and you not only boil off coolant quicker you"ll also use up more fuel leading to poor gas mileage.

Apr 03, 2010 | 2000 Dodge Durango

1 Answer

Overheating 2003 dodge durango. What could be the problem??


When engine running, ensure no engine combustion gas bubbles in coolant resevoir (if so, the head gasket is blown).

Check cooling fans are operating ok (when required when car warms up), if not check
1) fuse,
2) relay operation,
3) heat sensor switch.

Replace thermostat.
When re-filling cooling system, bleed off any airlock as necessary.

Check for collapsing (soft) coolant hose on suction side of waterpump when engine revs above idle.

Sep 01, 2009 | 2003 Dodge Durango

1 Answer

02 Durango: loud engine/exhaust sound. Also


Keep an eye on the coolant level, you might have a cracked engine block!!!
Watch for steam around Motor Block once the engine gets warm.

Jul 14, 2009 | 1997 Oldsmobile Aurora

2 Answers

2001 dodge durango temp. is high


use 50/50 mixture of coolant/water, use synthetic oil or no more than 5w 30. Change thermostat, make sure fans come on when idleing, otherwise change relay

Jul 09, 2009 | 1999 Dodge Durango

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