leaking coolant - Toyota Nation Forum : Toyota Car and Truck Forums
Camry 3rd & 4th Gen (1992-1996 & 1997-2001)/1st Gen Solara (1999-2003) Toyota Camry Discussion for years 1992-1996 & 1997-2001, as well as Solara discussion for years 1999-2003. Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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post #1 of 28 Old 11-13-2008, 04:54 PM Thread Starter
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leaking coolant

I am leaking coolant from the hose that is connected to what I presume is the thermostat. Its leaking from right above the ac compressor. And its leaking where the hose meets the fitting. Would it be a safe bet, to say the hose is leaking, or should I think into it more??

Thanks

Adam

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post #2 of 28 Old 11-13-2008, 05:01 PM
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Take a picture, so we can actually see what you are talking about. One person's OK might just be another person's NO, NO!.

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post #3 of 28 Old 11-13-2008, 06:20 PM
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Might just be a loose hose clamp.
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post #4 of 28 Old 11-13-2008, 10:53 PM Thread Starter
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how can you post pictures on the website??

Thanks,
Adam

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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post #5 of 28 Old 11-13-2008, 11:12 PM
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The thread is right on the top of the gen3 & gen4 forum: https://www.toyotanation.com/forum/sh...d.php?t=207710

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post #6 of 28 Old 11-14-2008, 04:47 PM Thread Starter
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ok...I took the hose off, and lost a lot of coolant. The aluminum part that holds the thermostat has some corrosion on it. it was hard to see if the hose was cracked, or if the aluminum part was cracked too. I put on a different clamp which uses a screwdriver to tighten it around the aluminum post, and the hose. Do our radiators have a petcock so I can remove my coolant?? Its the Red stuff, so I am guessing its very expensive and it looks to be in good condition.

What should I do??
Thanks,
Adam

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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post #7 of 28 Old 11-14-2008, 08:15 PM
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There is a drain plug for the radiator, and also one for the block. Depending on the year, it can either be at the right side of the car or close to the middle, it looks like a plastic wing nut.

Without seeing what you are looking at, I would suggest refilling the cooling system and check for leak. The red Toyota coolant cost a little more but not prohibitively expansive.

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post #8 of 28 Old 11-14-2008, 11:49 PM Thread Starter
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I will refill the coolant and check for a leak again. What are the chances the thermostat is bad?? I know when I took the hose of I lost a pretty good amount of coolant. It feels like the top hose gets hotter, than the bottom hose. Is this normal?? both hoses feel spungy. Should I just drive around so the thermostat can open, or should I check the radiator level when cold??

Thanks,
Adam

PS: once I put on the new hose clamp, not the one that you use to open with a pliers.
My Camry is a 1992

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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post #9 of 28 Old 11-15-2008, 01:00 AM
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The T-stat is inside the aluminum housing. Typically the housing does not corrode to a point of leaking.

Could also be the gasket/O'ring between the housing and engine.

Fill the radiator up with engine cold then squeeze the upper and lower hoses to get the air out. Repeat this process until you get as much coolant into the radiator as you can.

Compare top and bottom hoses. If hoses are spongy then replace them.

The top hose is return coolant after it has gone through the engine. It will be hotter then the bottom hose but after the engine is warmed up not that much hotter. Both hoses should be hot.

When you get as much coolant into the radiator as possible let the engine warm up with the radiator cap off. Once the T-stat opens the coolant will circulate and the lever drop, then add more coolant.

When full install the cap. You may need to add more coolant after you drive a bit. Don't remove the cap if the engine is hot, only check the coolant when engine is cold. Make sure the over flow reservoir is filled with coolant.
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post #10 of 28 Old 11-16-2008, 06:02 PM Thread Starter
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i believe I fixed it. I replaced the lower rad. hose, and no more leaks. purchased a gallon of Toyota Red. topped off the system, and all appears normal. thanks for your help

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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post #11 of 28 Old 11-16-2008, 06:08 PM
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Good to hear!

Enjoy your ride, and drive safe!

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post #12 of 28 Old 11-26-2008, 11:30 AM Thread Starter
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Well guys, I thought I had solved the problem, but apparently not. Its still leaking coolant. Not as much as before with the new hose on. Its leaking from the aluminum neck where the hose connects. I can't tell if the aluminum neck is split, but I don't know what else could be causing the leak. Could the thermostat be causing it? It opens up, but not that quickly. Could the thermostat be building pressure in the neck, or is it more likely that the aluminum neck has split?

Any Suggestions?? I tried to look for splitting on the neck, but couldn't see anything. I see some corrosion. Any help is appreciated.

Thanks,
Adam

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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post #13 of 28 Old 11-26-2008, 03:42 PM
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Splitting would be unusual.

Is the leak where the neck bolts to the housing? Did you inspect the neck for hose due to corrosion?
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post #14 of 28 Old 11-26-2008, 03:43 PM Thread Starter
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the leak is not where the neck bolts to the housing. Its where the hose connects to the neck. I am at a loss here. there is corrosion on the neck, but I couldn't see any splitting.

Thanks,
adam

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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post #15 of 28 Old 11-27-2008, 09:55 PM Thread Starter
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Where can I purchase an Aluminum neck that houses the thermostat for the 2.2l, also what is a good thermostat to purchase too??

Thanks,
Adam

Mine:
1992 Camry LE 5sfe 128,000 miles
1998 Ford Contour SVT 148,000 miles(SOLD)
Wifes:
1994 Camry LE 5sfe 224,000 miles
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