Question about 2000 Chrysler LHS

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99'concorde stalls when it reaches its normal heat level.wont start until cool.not the battey,radiator,starter,alternator or loose sensor connection,i've checked all of these...and they all work.what could be the problem???

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Check idle air control system could be malfunctioning. 2.map sensor or circiut defective. 3.EGR valve stuck open.

Posted on Oct 08, 2009

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HOW TO LET THE AIR OUT THE COOLING SYSTEM ON A 2002 JEEP GRAND CHEROKEE


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What causes hyundai Elantra 2002 tempature gauge fluctuates between normal and hot


The thermostat "seals" the cool coolant giving up (rejecting) heat in the radiator & heater core from the hot coolant absorbing heat in the running engine "block".

When the coolant in the engine reaches a specific temperature (180 ~ 195 degrees) as determined by the value selected by manufacturer or when replaced, it opens and allows the hot coolant in the engine block to be pumped out to the radiatot & heater core for cooling and the cool coolant in the radiator / heater core is pumped into the engine block - replacing the hot coolant. The thermostat senses cool coolant in the engine block and seals shut until the temperature of the coolant in the engine block rises to 180 ~ 195 degrees again. This process continues over and over for as long as needed.

You should check to make sure that the coolant level in the reservoir / radiator is sufficient by checking when cold. Do NOT remove a radiator cap when it is hot! With the cap off, start the engine and add additional coolant as the engine warms up to normal operating temperature. If coolant levels are ok, the trouble could be related to the thermostat or possibly a faulty temperature sending switch. This means that the temperature of the coolant is fine - but the switch or sensor that converts the temperature to a voltage for the gauge on yur dashboard is the problem.

If the temperature is fluctuating up and down, you should have it fixed. Good luck!

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My 1983 toyota ran hot now it wont start


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My sunfire overheats and leaks out overflow everytime i drivee it.i changed water pump,thermostat the fan is working fine and had a water pressure test done last mth


DID YOU BLEED AIR OUT THE COOLANT SYSTEM.TO BLEED COOLANT SYSTEM, FILL THE COOLANT SYSTEM THROUGH THE RESERVOIR TANK OR THE RADIATOR UNTIL THE FULL COLD MARK IS REACHED.BESURE TO USE 50/50 HALF WATER AND ANTIFREEZE.YOU CAN BUY ANTIFREEZE THAT IS ALREADY PREMIX 50/50.AFTER ADDING ANTIFREEZE TO RESERVOIR OR RADIATOR FILL RADIATOR TO FULL MARK OR IF YOU DONT HAVE RADIATOR CAP ON RADIATOR POUR ANTIFREEZE IN THE OVERFLOW JUG UNTIL COOLANT LEVEL STAY THE FULL COLD MARK.WAIT AWHILE UNTIL COOLANT LEVEL STOP DROPPING.NOW INSTALL THE RADIATOR OR OVER FLOW JUG CAP.START THE ENGINE AND ALLOW IT TO RUN UNTIL NORMAL OPERATING TEMPERATURE IS REACHED AND THE UPPER RADIATOR HOSE BECOME HOT.STOP THE ENGINE AND OBSERVE THE COOLANT LEVEL IN THE OVERFLOW JUG. THE COOLANT LEVEL SHOULD BE AT THE FULL HOT LINE.ALLOW THE ENGINE TO COOL UNTIL THE AMBIENT TEMPERATURE IS REACHED THEN CHECK THE COOLANT LEVEL IT SHOULD BE AT OR ABOVE THE FULL COLD LINE.ADD MORE COOLANT IF NECESSARY. WARNING BECAREFUL WHEN OPEN THE RADIATOR CAP OR JUG OVER FLOW CAP.USE A LARGE RAG OVER THE RADIATOR CAP TO KEEP FROM GETTING SCALDED.OPEN RADIATOR CAP A LITTLE AT A TIME TO KEEP FROM GETTING SCALDED.WAIT UNTIL ENGINE COOL DOWN BEFORE OPENING RADIATOR CAP OR OVERFLOW JUG CAP.WEAR SAFETY GLASSES.

Jul 12, 2011 | Pontiac Sunfire Cars & Trucks

1 Answer

2001 town&country had replaced radiator but now fan stop working van is not over heating and heat is good hanve no other problem just fan s not working olease help me to find out waht could be problem


ANY TIME YOU CHANGE RADIATOR ONCE YOU GET THE NEW RADIATOR IN PLACE.FILL RADIATOR WITH ANTIFREEZE CRANK VECHICLE UNTIL THERMOSTAT OPEN. WHEN YOU TOUCH THE TOP RADIATOR HOSE.IF TOP HOSE HOT THERMOSTAT OPEN.CHECK RADIATOR COOLANT LEVEL IF DROPPED ANY.ADD COOLANT UNTIL LEVEL QUIT DROPPING. WHEN COOLANT LEVEL QUIT DROPPING YOUR COOLANT LEVEL IS CORRECT. NO MORE AIR IN COOLANT SYSTEM OR AROUND COOLANT TEMPERATURE SENSOR COOLANT FAN SHOULD TURN ON ONCE ENGINE GET TO CERTAIN COOLANT TEMPERATURE.SEE IF COOLANT TOO LOW NOT ENOUGH COOLANT REACH COOLANT TEMPERATURE SENSOR. SENSOR CANT TURN ON FANS IF ITS NOT IN HOT COOLANT. WHICH DECREASE ITS RESISTANCE WHICH CLOSE OR GROUND CIRCUIT CAUSING COOLING FANS TURN ON.

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3 Answers

How to replace the thermostat on a 2002 chrysler concorde lx 2.7 engine size


The Thermostat is under the connector for the upper radiator hose on the Engine. Trace the upper Radiator hose back to the engine and remove the 2 to 3 bolts holding the engine mounting to the engine. The thermostat is under that. If you don't have the thermostat already you can remove it and replace the cover and drive to the Auto parts store and purchase it then drive back and put the new part in after the engine cools. If you are replacing this because of over heating doing this will tell you if that was truly the problem or if the problem was actually the water pump. Using the vehicle over short distances without the thermostat will not damage your engine in the summer months. It is mainly there for winter months to let the engine warm up before the cooling fluid starts flowing anyway. Heck, I have one vehicle that hasn't had a thermostat in it for 2 years now. Runs great.

Jul 25, 2010 | 2002 Chrysler Concorde

2 Answers

99'concorde stalls,wont start until cool again..


When cold, your engine runs from a different computer mode than when warmed up...It seems that when you reach temp, the normal "run" program transitions in (undercomplicated version) Usually when the signal from the temp sending unit does not change (bad sender) the engine will remain running but will run rich. Usually if the sending unit wire is disconnected it will also remain in "cold" mode. I'm thinking that possibly the sender is internally shorting out or the computer isn't working correctly. If you have an engine light on, likely you can retrieve a code that may point you to something in that area. Or, since sender isn't very costly, change it and see if the problem clears up. (I'm not a big fan of just putting in parts without testing, but in this case it may pay off)
Good Luck

Jul 27, 2009 | 2000 Chrysler LHS

2 Answers

2000 Mercury Villager w/ heat, no heat, & temp gauge flux


you have air trapped in the system.
Park facing uphill (on car ramps if you have them).
with cold engine, remove radaitor cap and fill radiator.
Fill reservoir.
leave cap on loose.
Turn on heater.
start engine and run until upper radiator hose gets hot (meaning thermostat has opened).
Check coolant level and top off. Repeat until temp gauage reads normal and heat is coming from heater ducts.

go here for villager/quest help.

http://autos.groups.yahoo.com/group/villagerquest/

Apr 29, 2009 | 2000 Mercury Villager

1 Answer

Cooling system


1)yes steam will come out of the resevoir,especially with a bad rad'cap.
2)thermostats are cheap.
does your cooling fan come on?,it may be a bad sensor or relay (for fan)
3)no heat in car!?,the water pump may be bad.or the heater core is plugged,or if you have:a bad coolant valve for cab heat.(but this wont cause motor-over heating issues!)
4)you have a plugged radiator!

--sounds like a bad waterpump to me.
even if it doesnt leak,the impellers still come loose from the shaft!!

Dec 22, 2008 | 1998 Chrysler Concorde

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