Question about 2004 Land Rover FreeLander

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Cooling fan does not come on when Car is Idling

Hi, I have already had this repaired once by Landrover. I am now again watching my thermostat move all the way to the RED when I am idling at a stop light, etc. When I turn the car off after a long drive, it sounds like it is going to blow up, very loud. Sounds like it is trying to cool down. If I am not sitting idle my needle stays in the middle where it should be which tells me that my cooling fan is not coming on when it should be. Any thoughts?

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  • michelle rimi Aug 17, 2008

    Thanks- I am bringing it in to Landrover next week, I will be sure that they check that in addition to whatever they do. Since I already had it fixed once, I have little faith that they fixed the right thing and may fix the wrong thing this time as well. I just noticed as well that I put antifreeze coolant in my overflow tank just yesterday and today there is none. I only put it in that tank because I cannot locate where to put it in. It must be under the plastic thing covering the engine I guess. They make everything so hard to get to.

  • michelle rimi Aug 18, 2008

    Wow- Sounds complicated. I would not know how to disconnect that. I just keep adding to overflow tank. My friend told me that is the only place I should be adding it but I know that is wrong. I know that coolant is supposed to go into the radiator at another location and that the overflow is for 'pverflow' but it seems to be keeping me safe for now. I go to the shop on Aug 28th. So, I will let them know. Thanks for all of your help!. Land Rover is so far from me. I always have to take time off from work, rent a car, etc etc , hence the reason I am waiting so long to go, plus money. I need to be prepared to give them an entire pay check at least , I am sure this time. Gotta love it.

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Hi, For what you are telling ,it sounds like a faulty temperature suitch that goes at the cilinder head,.....

Posted on Aug 17, 2008

  • Tony Rodriguez Aug 18, 2008

    Hi,some of this vehicles dont have a radiator cap to add antefrezze and you need to disconect the uper radiator hose to add antefrezze...

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My car is a 2004 Chevrolet Cavalier! I have fluid in my radiator tank but its not getting to the radiator causing my car to overheat! Is it the thermostat going bad or already went bad????


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It sounds like there is a leak of some sort. (hose, freeze plug, water pump, blown head gasket, etc.) The coolant level is probably low. You need to check it ASAP! Check the coolant level and if it is low you need to find out why and get it repaired...You DON'T want to overheat that engine! Especially if you have the 3.0L V-6. It only has to overheat once to do some serious engine damage.

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At idling speed an engine does build up a lot of heat and the cooling fan will kick in. In slow moving traffic or traffic jams the temperature gauge can touch the red - particularly on hot days. The reason it cools down when you start moving is because of the air flow through the radiator.

Presumably there are no leaks from the cooling system otherwise you would have mentioned it. In normal circumstances the fan will not be running as you are driving at speed, as the air-flow through the radiator is sufficient to cool things. The fan only kicks in to get rid of excess heat - and this usually occurs at idling speed or after you have parked the car.

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It is common - in stationary traffic many cars overheat (particularly big engined models) try to stall and 'cut out'. Restarting can be difficult until the engine cools down.

Is your car overheating in normal driving conditions or just at idle speed? Overheating in normal driving conditions can be caused by things like a failing water pump, blocked radiator, collapsed hose, faulty thermostat or, in the worst case scenario, cylinder head problems.

Overheating at idling speed is 'common'. Check your coolant level. If your car isn't using/losing coolant then there probably is no major problem. You can flush out the cooling system and refill with new coolant - and also check your radiator. Are the cooling fins crumbling with age? Or maybe they're partly clogged with insects and debris from the road? A blast with a hosepipe wil sort that out ..

The question is how much does your car overheat in normal driving? If it doesn't .. it appears as though you have nothing to worry about as such. Most cars have 2 speed fans... the 2nd faster stage kicks in at some point dependant on engine temperature. Perfectly normal.

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1 Answer

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1 Answer

When idling saturn ls 4dr sedan wants to overheat


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1 Answer

Hi : question


There are a host of issues that can cause a vehicle to overheat. Getting from what damage has been done to what caused the damage will be tricky. Here is what I would do in you position.
Repair issues as found.

1) Check the fans, you should have 2 coloing fans, one for the a/c and one for the cooling system.
Make sure that neither are frozen and that both turn freely without growling sounds.
*Growling, noisy, frozen motors will need to be replaced.

2) Refill the radiator with fluid, (just use water right now no use wasting money on antifreeze until the problem is resolved), check for leaks.
*Repair all leaks found.

3) Start the engine Hold your hand pressing lightly where the radiator cap goes, if you are building pressure there within say a minute or so then you have combustion entering the cooling system.
*If pressure is building then internal damage has been caused and will need to be addressed by a competant mechanic/shop.

4) Keep the coolant reservoir full as the temperature rises to normal operating temperature. Listen and watch for the fan motor to start at the temperature rises. Turn the A/C off during this process, don't mistake the A/c fan for the cooling fan.
*If fan does not come on then you will need to check voltage to the fan motor to see if there is a problem with the fan or the electrical system to the fan such as fuses, relays senders or wiring.
**If fan is operating then probable cause is a sticking/stuck thermostat.

Once problems have been found and resolved drain and refilll cooling system with a 50/50 solution water/antifreeze.

Also replace the radiator cap unless you have the ability to pressure test the one you have already.

Hope that helped,
Good Luck

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