Question about 2000 Lexus Gs 300

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My coolant in the reservoir goes away but I see no visible leaks

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Sounds like water pump gone......get checked before driving car as can bend pistons and became very costly

Posted on Sep 30, 2009

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My early wRning light for low radiator fluid comes on at the start turn on my ignition, but it goes away shortly after. I bought 50/50 and filled the coolant reservoir to the full line. But the light still...


The CHECK COOLANT indicator illuminates when the coolant level is low in the coolant recovery reservoir. The low coolant level switch is probably in or on the coolant reservoir !

Feb 19, 2015 | Cars & Trucks

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I have a 1997 Cadillac Deville. I just had the radiator and the water pump replaced. Afterward my service engine light comes on and blinks occasionally during the first minute of cold startup. This...


Sounds like a head gasket leak. I have a 1997 Cadillac Deville Limo with the Northstar 4.6L engine. I had a misfire on cylinder 1 that seemed to go away after I added Bar's Leaks Head Gasket Repair for about $30 at Advance Auto and the leak went away. Be sure to get the Head Gasket repair that can be added to regular antifreeze without draining it out and having to add to pure water.

http://www.barsproducts.com/1111.htm

Also, check the code for the associated problem If there is a particular cylinder missing, it might be being caused by the antifreeze leaking into the cylinder on that cylinder that is missing.

Good luck on this Northstar Engine Repair.

Apr 21, 2011 | 1997 Cadillac DeVille

1 Answer

Sometimes car will get hot. radiator will b dry. other times its fine


Check ur radiator cap! Mostly when the engines become hot, coolant goes thru the coolant reservoir and comes back to the radiator when it cools down. Damage radiator caplet the coolant goes thru the reservoir but can't siphon back the coolant to radiator , thus always overflows the reservoir and the radiator dries out from its coolant! Check also if there is LEAKS in the bypass hoses and CAP PLUGS! Hope that might help u out!

Nov 16, 2010 | 1998 Honda Civic

1 Answer

The car is over heating--radiator needs water added every day--no visible leaks.


Check ur RADiATOR if its CLOGGED! Checking it by means of TOUCHiNG the BOTTOM PART after running ur engine for 30 min. If the bottom part is not the same as the TOP part of the radiator, it means its CLOGGED and u need to bring to ur nearest garage mechanic to FLUSH OUT or internally clean the radiator assembly! Check also the RADiATOR FAN if it works in a certain temperature! If can't see any leakage, as u say, 'cause of high temperature of ur engine, ur COOLANT goes to the coolant reservoir and overflowing it every time ur engine HEATS UP! Check also the RADiATOR CAP, if the seals are damage or the spring is all corroded up, water heats up and goes thru ur reservoir and doesn't come back to ur radiator when engine colds down, radiator caps FAULT!
Hope that might help u out! Taaah!

Nov 12, 2010 | 1988 Toyota Camry

3 Answers

Losing coolant from the reservoir but cannot see any coolant leaking on drive. Fill reservior to MAX and within ~10miles, reservoir is drained. Refill while engine still hot and don't lose nearly as much...


my '01 Jetta had a similar problem. I could always smell coolant and the bottle was always low. I crawled under the car and there it was..a caked on mess of pink antifreeze. There is a plastic intersection 3 way valve where the coolant temp sensor resides. it has 2 bolts and a rubber o-ring. Because it is plastic, it cracks. it drips down onto areas which are really not visible from above and then sizzles and melts onto areas under the engine. The part was only about $25, took 30 min to install and my problem is now fixed. Air was getting into the system through the small crack in the valve further complicating the system operation.

Nov 09, 2010 | 2006 Volkswagen Jetta

1 Answer

1999 accord is leaking small amount of radiator


If a coolant temp sensor is not working, the fans will not activate, and fluid will go overboard the reservoir, and the temp gauge should have an abnormal reading. Happened to my 1998 accord that the top plastic tank above the radiator had a small leak right where it meets the aluminum honeycomb. It leaked only when hot, and evaporated right away, leaving no traces. Start the car and let it idle for 5 min, and then open the hood and check if the fans are coming on, and if you can see bubbling coming from the radiator top assembly.

Jul 30, 2010 | 1999 Honda Accord

2 Answers

Increasing use of water from the radiator reservoir


One thing to check is for coolant getting into the oil, which would indicate head gasket failure. Check oil dipstick and/or underneath of oil cap for a frothy brown/tan look to it. If so, do not drive the car.

Also check coolant reservoir for a leak. Evaporation is suspect, but maybe not to the point you are describing. Check coolant reservoir cap, as well as radiator cap.

Apr 26, 2010 | 2000 Volkswagen Golf

2 Answers

Using a lot of water 01 jetta 1.8t no visible signs of where water is leaking no white smoke from exhaust. no idea where the water is going.


Ok reservoir has a full line do not fill above that. If you do it will vent and siphon water out of the tank and become low.

Apr 18, 2010 | 2001 Volkswagen Jetta TDI

1 Answer

Coolant leaking,I have to keep refilling the reservoir, but I do not see where it is leaking?


if there are no visible leaks ending up on the ground, check the engine oil level and see if it is overfilled or looks like there is coolant on the dipstick, could either be a head or intake gasket leaking coolant into the engine. Also check for white smoke coming from the exhaust which shows that the engine is burning coolant. If the engine has overheated recently there is a good chance that you have a cracked head and coolant is leaking internally in the engine

Jan 16, 2010 | Oldsmobile Aurora Cars & Trucks

3 Answers

2000 Toyota Celica coolant reservior empty


I hate to tell you this but its possible...

You have a leak. Look around on the driveway and try to determine if you have an external leak as opposed to an internal leak. If you see no coolant on the ground, suspect a blown head gasket. Do not continue to drive this car in this condition. If it does indeed have a blown head gasket, serious engine damage will occur.

Check your exhaust for white smoke. Chances are good you have a blown head gasket and coolant is leaking into the engines combustion chambers and is essentially burning off. Also check your oil, if it looks like caf mocha, this will confirm coolant is leaking into the oil via the blown head gasket

Dec 08, 2008 | 2000 Toyota Celica

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