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10-17-2011, 01:58 AM | #1 |
Drives: 2007 Meteorite Hatch Join Date: Oct 2011
Location: Denver, CO
Posts: 11
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Overheating Issue
Hi YW,
I own a 2007 Hatchback Yaris, and I have been having a problem with the engine overheating. After driving for more than five minutes, the engine temp indicator light comes on. Also, winter in coming here in Colorado, and my heater has stopped working as well. Is there a connection between the two? I searched the forums briefly, to no avail. I think it might be either the coolant, radiator fluid, or the thermometer, but I'm having a bit of trouble figuring it out. Any help would be greatly appreciated. THANKS!!! |
10-17-2011, 06:37 AM | #2 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Have you checked your coolant level? The heater runs off of the radiator fluid, so overheating plus no heat is definitely connected.
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10-17-2011, 06:57 AM | #3 |
Might think about a themostat also.
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10-17-2011, 12:43 PM | #4 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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^The thermostat wouldn't affect the heater, the heater bypasses it.
Have a look on the underside of your hood for a pinkish spray line directly above the belts. If there is one, your water pump is shot and you're loosing the coolant through that. For now, top it up and monitor the level. Make sure you top up the rad AND the overflow container to the MAX level. If the coolant is low enough you'll need to idle the motor from cold and top it up. DO NOT open the rad when it's hot. You can be scolded with hot steam or coolant. |
10-17-2011, 06:43 PM | #5 | |
Quote:
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10-17-2011, 01:16 PM | #6 |
Drives: Yaris sedan Join Date: Apr 2011
Location: Russia,Moscow
Posts: 246
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Clogged radiator also affects the motor overheating.
You can remove the bumper and honeycomb radiator flush.
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I like very much travel |
10-17-2011, 01:28 PM | #7 |
Drives: 2007 Meteorite Hatch Join Date: Oct 2011
Location: Denver, CO
Posts: 11
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Thanks everyone! When I looked this morning, the coolant level was below the low-line. I'm definitely going to check everything else when I get off today. Thanks again for the help!
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10-17-2011, 02:45 PM | #8 | |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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Quote:
Remove the "radiator" cap, fill it all the way, start the engine and let it run until the radiator fan starts. In the meantime, watch the open cap area, and keep adding as the air bubbles out and it goes down. Once the radiator fan starts to run, you know that thermostat is open, so let it run for a few more minutes and keep topping it. The whole process might take 15 minutes, but it is well worth the time for preventing cooking your engine.
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07-23-2013, 08:46 AM | #9 |
Drives: Blue Yaris Sedan (2007) Join Date: Apr 2013
Location: Johannesburg, SA
Posts: 7
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07-23-2013, 02:00 PM | #10 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Check my post #31 above and try that to see if the thermostat is actually opening.
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07-24-2013, 08:36 AM | #11 |
Drives: Blue Yaris Sedan (2007) Join Date: Apr 2013
Location: Johannesburg, SA
Posts: 7
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07-24-2013, 09:37 AM | #12 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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That is normal. The coolant will get up to 180F within just a couple of minutes of running under load.
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10-17-2011, 04:44 PM | #13 |
Drives: 2007 Meteorite Hatch Join Date: Oct 2011
Location: Denver, CO
Posts: 11
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I looked behind the overfill tank and there is definitely pink spray on some hoses down there.... Did I spring a leak?
Also, I'm having trouble getting the radiator cap off.... It twists about a quarter of a turn, but then wont lift off. Just to clarify, is it just coolant that goes in the radiator? Should I do 1/2 coolant and 1/2 water, as some have suggested? Sorry for all the noobie questions :p |
10-17-2011, 04:49 PM | #14 | |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Quote:
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10-17-2011, 04:51 PM | #15 |
Drives: 2007 Meteorite Hatch Join Date: Oct 2011
Location: Denver, CO
Posts: 11
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I'm going to go ahead and stick to the first two sentences of that post...
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09-27-2012, 08:16 AM | #16 |
Drives: 2('14+'07)MT 3d ,wHandCrWndws! Join Date: May 2009
Location: S.MontgomeryCnty,TX(HoustonMSA) '07=BayouBlue=300,125miles=OrigOwnr '14=ClassicSilvr=29,059miles
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10-17-2011, 04:46 PM | #17 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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Push down and turn to get the cap off. And where is the pink coolant? Pan you take a picture?
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10-17-2011, 04:48 PM | #18 |
Drives: 2007 Meteorite Hatch Join Date: Oct 2011
Location: Denver, CO
Posts: 11
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I will try y best when I get home. The coolant has sprayed towards the rear directly behind the overfill tank. The spray seems to originate somewhere from the bottom of the tank, not the top. There is a large black hose, maybe 1.5 to 2' in diameter that the fluid has sprayed on to.
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Tags |
coolant, heater, overheating, radiator, thermometer |
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