Question about 1994 Toyota 4Runner

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Loosing coolant I'm pouring coolant into this vehicle almost everyday. I have checked for leaks didn't find any, I checked my oil thinking maybe a head gasket leak nothing there, heat works great so I'm thinking the thermostat is ok I cant seem to find a leak big enough in the radiator that would have me pour coolant almost everyday.. any other solutions you may have?

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The test is easy
it uses the magic of the system has 12 to 14PSI pressure all the time.
hot. so park it get it hot. to 180F (old thermostats fail, they are #1 failure ,so why would you discount that?????)
ok its really hot , my pryo gun shows 180F ,ok real hot is true. no bs.
so now look for leaks.
if you see none
and the passenger toes are dry (heater core drips)
then there are on external leaks,
if true that, then its INTERNAL LEAKS!

head gasket is failing or the A/T or engine oil pan is full of AF.
are you running 50%^ AF all the time, ?????

everywhere you drive do you look after parking, for ground leaks.?
as you leave car and when you come back.
you must. or miss the boat.

Posted on Feb 15, 2014


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SOURCE: My 95 camry is loosing

leaks has a leak, i suggest you to dismount the radiator it may be has a leak that could be dried due to the heat, you can also try to check all bypass hoses.

Posted on Jul 21, 2008

  • 10 Answers

SOURCE: 1989 toyota 3.0v6

Did you check the thermostat? brand new thermostat sometimes went bad too; happen too me once on my 1989 toyota supra....; Check the water pump and hoses. Flush the radiator really good then get 50/50 mix water & coolant;

Posted on Sep 04, 2008

  • 1861 Answers

SOURCE: slite oil leak from rear valve cover gasket per dealer $650.00

Hello. Let me try to assist you the best I can, with the hope of achieving a FixYa rating from you for my assistance.

Changing the rear valve cover gasket on your vehicle would be not considered a "real" big job, but IS a time-consuming job.
In order to remove the rear cover, you first have to remove the intake plenum. If you do not remove the plenum, you can't get to the valve cover bolts that are under the plenum. After the plenum is off, the valve cover is easy to access. You will also need to replace the intake plenum gasket, if you do the job yourself.

I hope this information has satisfied your question.
Thanks for choosing FixYa for assistance!

Posted on Jan 28, 2009

  • 2920 Answers

SOURCE: coolant leaking on manifold, steaming.No hose or radiator leak.

i think its going to be the head gasket duto the way its leaking coolant. one of the water jackets maybe i would have it checked to be sure but it sounds like head gasket

Posted on Feb 03, 2009

  • 23 Answers

SOURCE: engine check light read p0171 and p0420, noticed a leak of engine oil on cylinder 2 area of head gasket when checking the sparks plug, is that the cause?

may be oil feed to cylinder head replace gasket

Posted on Apr 20, 2009

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Car over heating it will go several weeks running fine then just looses water. Like liters at a time. I can't find where it leaking to, and floorboards don't feel wet. Any ideas

Hi Barry
I think your car is loosing little coolant everyday but you are not checking the coolant level till it comes over heating, correct me if i am wrong.
I advise you to do a cooling system pressure test, this way you'll see where the leak is.
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Three additonal places to check:

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You have a bad casting plug in the side of the engine. A lot of people call them freeze plugs because they pop out if the coolant freezes. They also rust through. They are driven in place and the size can be looked up at the parts store. You will want to change all of them . Lee
Please vote if this was helpful or not.

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Radiator water loss

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"I assume the chocolate color is an indication of maybe not water leaking into the oil?"
I'll lay $5 on it's being coolant :-)

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Good Luck, D.

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