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2005 Dodge Caravan thermostat sticking will that keep the heater from turning on?

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Yes, it will keep the ecm (computer) in a loop. Becuase it doesnt ever reach its nominal running temperature. Which affects all kinds of drive train parameters. Probabl even less miles to Gallon of fuel

Posted on Nov 16, 2014

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The thermostat is designed to open and close to allow the flow of heated cooling fluid from the engine to the fan for cooling by the fan(s).

If it is stuck open the water continually circulates and takes longer to get hot. If the heater air flow is working properly, then the problem is either the heater core or a stuck open thermostat.

Posted on Nov 16, 2014

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Posted on Jan 02, 2017

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SOURCE: heater won't get hot on 2005 dodge caravan

there could be an air lock in the system, pluged heator core, a bad thermostate or control modual. try bleeding the air out through the bleeder screew if there is no heat after that have the control modual tested if its okay try having the cooling system flushed then if it still doesnt heat intall new termostate

Posted on Oct 22, 2008

SOURCE: Dodge 2005 Grand Caravan water Pump replacement

JUST COMPLETED THIS JOB TODAY. MAKE SURE THE ENGINE HAS COOLED DOWN . IT TOOK APPROX 2 1/2 HRS. DISCONNECT THE NEGATIVE POST ON THE BATTERY. JACK UP PASSENGER SIDE FRONT AND SUPPORT ON JACK STANDS. REMOVE PASS. FROUNT TIRE. DRAIN RADIATOR INTO CONTAINER FOR PROPER DISPOSAL OR REUSE. USING FLOOR JACK PROVIDE SLIGHT TENSION ON OIL PAN WITH A SHORT 2 X 4 WOOD PIECE TO PROTECT OIL PAN. LOOSEN 3 ENGINE MOUNT BOLTS ON PASS. SIDE OF ENGINE COMPARTMENT. ALLOW APPROX 1" BETWEEN SHOULDER OF BOLTS AND MOUNT. LOWER ENGINE UNTILL BOLTS ARE SET ONTO MOUNT. REMOVE ENGINE SPLASH SHIELD INSIDE WHEEL WELL OF REMOVED TIRE. LOCATE WATER PUMP AND LOOSEN 3 PULLEY MOUNTING BOLTS (THIS IS WHILE BELT IS ON PULLEY) REMOVE SURPENTINE BELT AND CONTINUE TO FULLY REMOVE THE PUMP PULLEY. IT WONT COME OUT AS THE PUMP & PULLEY HAVE TO COME OUT TOGEATHER. REMOVE 5 WATER PUMP BOLTS AND CAREFULLY WORK WATER PUMP OUT BETWEEN THE ENGINE AND VEHICLE FRAME. CLEAN ALL MATING/GASKET SURFACES AND BOLTS. USING A SMALL AMOUNT OF TACKY SEALENT TO INSURE THE NEW WATER PUMP SEAL STAYS IN PLACE, THE INSTALL IS PRITTY MUCH THE REVERSAL OF REMOVAL.

GOOD LUCK, REMEMBER TO TIGHTEN ALL BOLTS TO MFR SPECS AND BLEED THE AIR OUT OF THE COOLANT AS REQUIRED.

Posted on Apr 29, 2009

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SOURCE: location of radiator tank drain 2005 dodge caravan

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The drain is located on the passenger side of the radiator at the bottom. Turn it counterclockwise to open. It is plastic so be careful if you decide to use tools to turn.


Posted on Jul 23, 2009

  • 7 Answers

SOURCE: 2005 dodge caravan engine light code p 441

If you mean code P0441 - This Relates to Incorrect Purge Flow for Evaporative Emission System

Posted on Aug 16, 2009

techbuster
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SOURCE: Heater blower motor replacement -1997 Dodge Grand Caravan

Remove the cover plate on the passenger side of the heater box, 3-4 screws.
Unplug the motor assembly, remove 3-4 more screws that hold the motor in place and pull it down from its position. Get an aftermarket motor and installed it in the original housing with the original squirrel cage.
Installation is the reverse of removal.

Posted on Nov 23, 2009

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Where is the front o2 sensor on 2005 dodge grand caravan 3.8


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My Dodge 2005 Ram overheats on hot days while running the AC. If I turn the heater on then it cools down. I need to know if this is a thermostat problem or if something else.


I see your post was a while ago. I hope this helps you or anyone ells having Dodge over heating issues.

I have a 2002 Dodge Ram 1500 and a 2005 Dodge Grand Caravan. I also owned a 2001 Dodge Grand Caravan. ALL of them had thermostat issues. When you replace the thermostat make certain you get the proper heat rating. If it is rated tool low, then the check engine light will trigger the code that the engine is not heating up fast enough. I also recommend going with a 'fail-safe' thermostat. These thermostats fail OPEN rather than closed. My 2002 RAM factory thermostat failed closed, built up pressure, then blew half the water out from under the radiator cap. This happened in less than 35k miles. The dealer replaced it. After a couple of years it failed again. Make sure you have 50/50 mix of anti freeze to water. This raises the boiling point of the water, makes it more efficient for cooling the engine, treats the water so it does not corrode and scale up the cooling system and helps keep the liquid from boiling off there by reducing the volume of fluid in the cooling system. Also, BOTH my 02 RAM and 05 caravan developed a leak in their radiators. They were slow leaks and I did not notice it until I did some standard checks and found the coolant was low, Most shops can run a pressure test for less than $40 to let you know if your radiator is leaking.

You should also make sure that your AC cooling fans is running. There are fuses and solenoids in the fuse box that can sometimes go out. When you AC is on this fans will turn on. If not, it could create a lot of extra heat.

Shawn

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1 Answer

My 2005 dodge caravan is over heating


Check the following:

Coolant level (when cool)
Does fan engage when a/c is put on?
Has the engine been backflushed and new coolant installed lately?
Is the thermostat sticking shut?

Aug 04, 2010 | 2005 Dodge Caravan

1 Answer

Heater in 2005 Caravan takes forever to heat and comes and goes


First thing to check is if the radiator and overflow tank are properly filled with antifreeze (with engine cool, of course) Next, is the temperature gauge moving up properly? If not, you probably need to replace the thermostat.

Jan 03, 2010 | 2005 Dodge Caravan

1 Answer

2005 dodge caravan need to know symptoms for faulty thermostat


There are two primary symptoms of a faulty thermostat (assuming you mean the coolant thermostat in the engine not the A/C Heater Thermostat).  The thermostat can fail in basically two ways:
1)  Stuck open - Engine runs colder, heater takes forever to heat up. 2)  Stuck closed - Engine runs very hot, then will suddenly drop in temperature, then run very hot again.  Or engine overheats constantly.  When the engine is hot, feel the upper radiator hose.  If it is not hot, you can bet the thermostat is stuck closed.  If it is hot, the thermostat may not be stuck close, but not opening at the proper temperature.
Stuck open is annoying, but not dangerous.  Stuck close is dangerous and can cause overheating-related damage to your engine.
If you are handy, you can replace it yourself.  Otherwise it is an easy job for a mechanic.

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In this order check the following:
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