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overheating

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jrm0513
Novice

Jan 23, 2007, 4:42 AM

Post #1 of 7 (1850 views)
overheating Sign In
my temperature guage shows overheating every day. the car used up to 1/4-1/2 anti freeze container every day. i have replaced the thermostat. i can hear radiator water circulating when i first start up the car. at the end of the day the water is quite hot in the overflow container, sometimes bubbling up. how do i tell if the motor is damaged? should i now replace the radiator or fans? the fans seem to work. it is a 93 lexus es300 v6 3000 motor,


DanD
Veteran / Moderator
DanD profile image

Jan 23, 2007, 6:09 AM

Post #2 of 7 (1846 views)
Re: overheating Sign In
With you saying;
Quote
i can hear radiator water circulating
And;
Quote
the overflow container, sometimes bubbling up.
Is telling us that there is air in the system; how is the air getting in there?
It could be from boiling the coolant but you also said
Quote
when i first start up the car
The coolant can’t boil that fast; so just by what your saying I’m thinking a possible head gasket and the air is coming from the combustion chamber gases leaking into the cooling system.
Having to add that much coolant and you not mentioning anything about seeing an external leak, where is the coolant going; probably out the tail pipe?
Take the car in and have someone check for signs of combustion gases in the cooling system.
You could do it yourself but by the time you purchase the means too, a garage would have it tested and maybe charge you a half-hours time. That’s all I charge for this sort of test.
Have this problem sorted out ASAP; if you keep running the engine on the verge of over heating you will cause major damage. We won’t talk about what happens to an engine when a head gasket lets go completely and fills the crankcase with anti freeze but lets just say it ain’t good.
Dan.

Canadian "EH"






jrm0513
Novice

Jan 24, 2007, 6:16 AM

Post #3 of 7 (1838 views)
Re: overheating Sign In
these are exactly the same symptoms when i blew my last motor. no leakage from rad some white smoke from tail pipe but constant usage of water from the rad. have to fill it with some water every day. how long can a car go like this? i dont want to spend any money on this old car. 225k 93 lexus es 300. sure is a good car tho. but ac doesnt work, no radio or cd just trying to get a few more months out it


DanD
Veteran / Moderator
DanD profile image

Jan 24, 2007, 9:08 AM

Post #4 of 7 (1835 views)
Re: overheating Sign In
Hard to say, if it is a head gasket likely not long?
Dan.

Canadian "EH"






jrm0513
Novice

Jan 26, 2007, 5:45 AM

Post #5 of 7 (1826 views)
Re: overheating Sign In
what is the cheapest way to repair the gasket without changing the engine and how is is done. i read somewhere they could just mold it back into shape or something. grind it?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jan 26, 2007, 7:20 AM

Post #6 of 7 (1824 views)
Re: overheating Sign In
Please post your inquiries in just one place. It only causes confusion amoung the techs as you have had essentially the same ideas and had I seen what Dan said first I wouldn't have just answered the other one, Thankyou, T



jrm0513
Novice

Jan 27, 2007, 7:12 AM

Post #7 of 7 (1821 views)
Re: overheating Sign In
my bad





 
 
 






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