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Have Tata 1400. water temp guage goes to red and red light comes on from cold start why. water bottle is full. can"t see any leaks. Thermostat perhaps?

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If by the red light comes on upon cold startup, and the coolant level is fine, and it hasn't had time to get hot for said red light to indicate hot, then it's a stuck sending unit. If it always reads hot, the computer won't put it in cold start mode because it thinks the engine is already warmed up. That's the way it works. And especially if it isn't pushing any coolant from the radiator and over filling the reservoir, then it isn't over heating. IF it is overheating, I would first check that the fans are working properly and if they are, then I would go to the thermostat. And THAT means getting your hands dirty. You have to drain the coolant down just below the thermostat level, unbolt the thermostat housing, replace the thermostat and gasket and put it back together. The re-fill the radiator and reservoir with what you drained out.

Posted on Jan 12, 2019

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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alicantecoli
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SOURCE: replaced thermostat - still getting red light

sounds like a faulty sender unit not passing the right voltage which is causing the gauge to read high

Posted on May 30, 2009

  • 1071 Answers

SOURCE: S40T4 B4204T5 After driving +- 150km starts

check thermostat

Posted on Jul 23, 2009

  • 1 Answer

SOURCE: changed thermostat,flushed radiator,fan comes on

bleed all the air out the system by running the car with the cap off untill the water starts flowing out the radiator then put the cap back on. or you may hav put the theromostat in the wrong way.

Posted on Jul 28, 2009

Mechanic65
  • 142 Answers

SOURCE: 97 transport 3.4 engine- New radiator,

Are your cooling fans working? that will definately be a problem if not working. if they are working shut car off and feel the radiator is it the same temp all over or is it hot in only top or one smaller area. if you do not have same temp feeling on all of radiator your radiator may be plugged.

Posted on Oct 09, 2009

  • 1 Answer

SOURCE: Peugeot Expert Van- Erratic temp guage & 'STOP' dashwarning light

have a peugeot expert turbo diesal and it started one minute and the next it didnt all i did was take out the battery and put it back in the stop light keeps flashing i tryed another battery and still it happens
can anyone help me with this prob its driving me mad

Posted on Apr 02, 2010

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Temp guage climbs to high nml then a minute later it drops back to low nml


air lock in the cooling system get a plastic bottle cut the bottom off turn upside down put on radiator filler and run engine cut full off water wait until all air bubbles stop then remove and put cap on see how that goes

Jan 07, 2014 | 1996 Lincoln Mark VIII

1 Answer

My temperature guage stays in the middle, is this ok?


Yes, the temperature gauge should normally stop in the middle, between the cold and hot points on the gauge. When the engine is cold the thermostat will be closed and will keep recirculating the coolant in the engine block until it warms up sufficiently. Then the temperature of the warm coolant will cause the thermostat to open the channel to the radiator to get rid of excess heat, which should stop the coolant from over heating. So the effect of the thermostat keeps the coolant at a fairly stable temperature. When the coolant runs low, it can't transfer enough heat to the radiator and the coolant and engine then over heats. Watch for radiator leaks under your car after you have been driving it. If the coolant goes low again fairly quickly you could have a leak in a hose or the radiator itself.

Apr 19, 2013 | 2003 Mazda Protege

1 Answer

Blows cold air when heat is on


If temp. Gauge goes way up check the intake gasket may be blown out and leaking. Take a flash light and shine it under throttle body and look for coolant. Check radiator to make sure it is full only check radiator when engine is cold DON'T OPEN WHEN HOT can cause burns.

Feb 13, 2013 | 2001 Chevrolet Blazer

1 Answer

In my 2001 Ford Escort ZX2 the water doesn't stay in my radiator. I changed the radiator and thermostat. My temperature gauge keeps going up and down and I have no idea what it can be. Have any id


You are going to have to find where the leak is first before looking at the temp guage problem. I would pressure test the cooling system and look for leaks. check the heater core...make sure thats not leaking. make sure the engine oil and transmission fluids are not over full and milky. Good Luck

Nov 17, 2012 | 2001 Ford Escort ZX2

1 Answer

LOW COOLANT LIGHT COMES ON SOMETIMES AND TEMP GUAGE SHOWS ENGINE GOING TO OVERHEAT. HEATER GETS COLD. IS IT THE THERMOSTAT?


There may be a thermostat problem, but your symtoms indicate low coolant level. When coolant is too low, it will not circulate, so you get no heat in car, and the coolant remaining in engine block overheats because no cool fluid coming in.
You need to fill the system up properly then look for leaks.
With cold engine, open radiator cap. Fill with antifreeze directly in radiator. Start engine, top up rad if level drops. Put heat control on Hot. Fan on low, heat on high. Gently rev engine and top up rad as needed. IF as engine heats up, it starts kicking fuild violently out of radiator, then the thermostat is bad. if not, then recap radiator, top up overflow bottle and you're done. Look under car for any sign of leaks. Steady dripping indicates a leak, then address that.

Feb 27, 2011 | 1998 Chevrolet Monte Carlo

2 Answers

Was driving my 1999 chevy venture this morning after 12 miles had no heat & temp gauge pegged in the red. then went down & came right back up. Stopped & turned it off for 20 minutes or so. ...


You are describing a slow coolant leak and the resultant no heat and blockoverheating symptoms. The no heat is because there is insufficient coolant to cycle through the heater core, and the chuggin you describe is the engine indicating serious overheating.
With engine cold, you must add water--not anti-freeze--to the radiator itself, until it reaches the top of the radiator, then start the engine. If you do not have a radiator cap in addition to the overflow bottle (some vehicles don't), you must still add water to the radiator, even if you have to bypass the overflow bottle hose to do it. Add water until no more will go into the radiator. Start engine, let idle until operating temperature is reached. Thermostat should open and a good bit of the water will "sink" into the depth of the radiator. If you have no radiator cap, observe the temperature guage. When it reaches normal operating temp, when the thermostat opens, the temp will drop briefly at first, and you will notice warm air from the heater/defroster.
Once engine is warm and known to be full of water, seal radiator cap and/or system, and let idle for 30 minutes. Use this time to locate the "mystery leak." They can be very hard to find, and some won't leak until after the engine is turned off. During this idle period, observe the vehicle exhaust from the tailpipe as well as looking for actual water leaks: sometimes a bad head gasket can be diagnosed this way; if the exhaust is white and thick like steam, and smells like anit-freeze, you have a more serious problem. It is possible that after the repeated overheating cycles you have endured you may now have both a "mystery leak" and a blown head gasket.
Once leak is located, your next step is to let engine cool completely, drain the water, fix the leak, and then and only then add new antifreeze of the proper rating and ratio recommended by Chevy for your vehicle.
Anytime you drain a cooling system and refill it, it is necessary to check the overflow bottle at least 3 times in the first week after repair to ensure that you have the proper coolant level, and have not either missed another leak or not correctly repaired one. You MUST check it before you drive the vehicle the second time after the first repair attempt because it is normal to need to add more coolant than you added initially after the repair because of air trapped in the cooling system that will only be expelled after the first start/stop heating cycle. If after 1 week of daily normal driving you have only added a little more coolant once, and there are no more problems, you can be very comfortable that you have fixed your car.

Jan 16, 2011 | 1999 Chevrolet Venture

1 Answer

Overheating...temp gauge goes completely to the top&heating coolant light comes on...,no leaks..how can i tell if it's the thermostat or the water pump??


Check the belt at the water pump to make sure that everything is tight and rotating properly. Usually if a water pump goes bad it will start leaking out of the weep hole. Make sure that your fluid is full and that the mixture is correct (50/50). If fluids are good, belt is tight, your thermostat is probably stuck closed. If the temp outside is below freezing and you have too much water in the system, it may have froze up.

Dec 14, 2010 | 2001 Pontiac Montana

3 Answers

Red light flashing that looks like music note in water... HELP


check your anitfreeze level. Is your heat guage high or close to the red line? Also have you checked your oil? To check antifreeze, remove cab when car is COLD make sure the coolant level is up to the top of the radiator. To check oil find the oil dipstick. (probably yellow) wipe clean once, reinstert fully, pull out again. check to make sure it is surely above the ADD mark. If it is at this mark, add 1 quart of oil.
If antifreeze is low, buy a jug of 50/50 antifreeze and get a funel and pour until radiator is full. Slowly pully it in little bits at a time, than slowly squueze and release raidator hose to burb the air bubbles out of the radiator hose.

If your temp guage is going up, than your came may need antifreeze. If it has fluid, than you may need to have thermostat replaced.

Jun 02, 2009 | 1999 Volkswagen Beetle

3 Answers

Coolant system


If your coolant level is dropping, I would suggest that you take a good look at the water pump. That is a very common coolant leakage probelm area on your vehicle. I change 2-3 a week.
Hope this helps.

Jan 18, 2009 | 2000 Toyota Camry

1 Answer

My car won't warm up and the temp. guage goes to 260 and the fan doesn't come on. I changed the thermostat and still has the same problem....help


You have a heater relay, it is usually on one of the heater hoses on the back side of the engine, it is probably not opening to let the warm antifreeze through, sometimes they stick, and need to be opened and closesd manually, then it might start working again, or replaced.
Or else you are low on antifreeze, check when cold to make sure your radiator id full and your overflow bottle is full to the line.
Your heater core might be blocked with dirt is is under the dash, you can flush them out by running strong flow of water one direction, then the other , to flush dirt out, otherwise it will need replacing.
GL

Jan 07, 2009 | 1993 Pontiac Sunbird

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