Question about BMW X3 Series

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Intermittent coolant warning light

Low coolant light comes on intermittently, however level is not down, and there is a very faint smell of coolant in the cabin of my 2004 x3 3.0..car is not over heating, heater works just fine, as does AC..any ideas?

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  • Contributor
  • 5 Answers

Find the leak.

Posted on Mar 30, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: Coolant warning lights keeps coming on

Audi TT's only take G12 coolant (vw/audi propriatary formula) you can add some distilled water to the water level to prevent the light from coming on, but as you explained you keep adding fluid (of some kind) and the warning like returns. that's a little evident that you have a leak somewhere.

put some paper towels or something under your car when you park it for the evening. when you come out the next day, pull the car away from the spot and look at the paper towels. if they have orange drops, that's your G12 coolant leaking. like McMuff460 said, check all the clamps/hoses for signs of the leak. if you don't find anything i reccomend taking it to a shop for them to check out. Your water pump might be on it's way out.

Don't ever put any other fluid other than G12 coolant and distilled water into your car's coolant system. It will cause some major issues with seals, leaks, and cooling performance.

Posted on Nov 06, 2008

emissionwiz
  • 75077 Answers

SOURCE: heater blower motor works intermittently

I would replace the blower motor, this sounds like a motor brush problem inside the motor itself.

Posted on Jan 24, 2009

  • 85 Answers

SOURCE: coolant in coolant reservoir did not fill low level in radiator

you must drain air out of system
so when engine is warmed up, just unscrew slightly the thermo time switch which is the highest sensor and unit in cooling system besides the reservoir, until alittle air releases then when antifreeze starts coming out then retighten to specs. BE VERY CAREFUL !!!! LOOSEN VERY SLOWLY AND NOT COMPLETELY REMOVE FOR THIS CAN CAUSE BURNS. MIGHT WANT TO USE A RAG AROUND SENSOR. If this doesnt solve it then make sure you have the correct rad. cap. Also that the filling hose is not clogged as well as the little port on radiator.

Posted on Feb 19, 2009

  • 1 Answer

SOURCE: 2004 NISSAN ALTIMA 2.5 NO CABIN HEAT..ENGINE AT OPERATING TEMP.

If the engine is not over heating than most lilely it isn't the thermostat or waterpump that is causing the problem. Check the heater hose coming out of the manifold and see if it is warm to hot. Next check the return line from the heater if it is still cold or moch cooler than the inlet, the most possible problem is the heater water control valve if this model has one or possible the core of the heater is plugg with slime cause by some antifreezes setting during the summer months while not being used. If this is the case than remove tihe two hoses and back flush the heater core with water pressure until it runs clear. I have had this problem before and this cured my problem. I also had to flush the engine and radatior also. Hope this help. .

Posted on Mar 14, 2009

matney68
  • 426 Answers

SOURCE: ABS & Brake warning lights turn on

it is possible but its also possible you have a wheel speed sensor acting up. you would have to have it scanned for codes

Posted on Jul 30, 2009

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1 Answer

TCM-P07250 / TCM-P 2733-00 / TCM-P 08960


Hi,
Verify the fluid level is full (not overfilled!) and the color and smell of the fluid. It should be light red color (usually) and not smell burnt @ all.

GL,
Td

Mar 14, 2014 | Volvo Cars & Trucks

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When I have my heat on it works, often times cold air continues to blow out and then it goes back to heat. If I get an oil change, will that solve the problem?


An oil change will not solve your heater problem because the two systems are irrelevant to eachother. I do recommend an oil change every 3000 miles, but your problem seems to be more related to the cooling system.If you're having intermittent heat, be sure to check your coolant level, as this is where your heat comes from. If the coolant is low, it may be intermittently getting to the heater core, thus cauling your problem. Also, it is a good idea to maintain proper coolant level to insure you won't overheat your engine! Replacing the engine thermostat would be my next step if the coolant level is ok. It may be sticking causing your intermittent heater problem.

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A light come on with a box with arrow pointing down looks like waves what does it mean


This indicates a low level of coolant in the coolant bottle/resevoir..... this symbol represents the radiator or coolant system liquid level.

Warning comes on to warn of coolant level too low.

When the engine is cold...remove the cap and check level. Add 50/50 antifreeze/water to level indicated on the side of the coolant bottle or tank.

Reservoir Bottles/tanks are usually transparent and you can see the coolant level through the plastic.

When coolant topped off to correct level, lamp will go out automaticly...no need for scanner or shop to turn it off. It will come on as a 'self check' when you turn on the ignition and if level is okay will go out when engine starts.

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When your engine is cool check your oil dipstick and make sure your oil level is good. If the oil level is low add some till it is good. If that helps and the light comes on at a later date and you have to add more oil have you car looked at.

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you need to see if you lost fluid first,then check fan operation,

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Sounds like your sensor unit in your coolant overflow tank. Like nearly everything man made that floats, they will eventually leak (become water logged). This is a relatively cheap fix, as long as the light is coming on and the coolant level in the overflow tank is between the MIN and MAX lines in the overflow tank. This means that the float in there is dropping below the actual fluid level (watter logged) and you need to get a replacement sensor unit (aka sending unit) for the overflow tank.

Otherwise, if the coolant level in the overflow tank IS BELOW the MIN level line on the tank, then you are losing coolant somewhere and that is when things start to get expensive (might be a radiator problem, head gasket, cylinder head, heater core, etc).

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