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01-13-2010, 09:52 AM | #1 |
Question about temp.
It has been very cold here and probably everywhere else, well my concern is I have noticed that the scan gauge temp. has been going up and down every time I let off the gas by about 20-30 degrees, also when it does that the temp. coming from heater goes up and down also. I also have notice in the morning when first start the car there is a noise for a second or two (sounds like a car without a muffler) that has only happen 2 times. Could the water pump be going bad or is this just a regular thing with the Yaris. All is fine after that except for what was mention above. I'm taking car in to dealer to get oil change and will ask them to check it out. Just wanted to know if anyone else has had this happen?
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01-13-2010, 10:16 AM | #2 | |
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Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
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Quote:
the Yaris should behave like any other car. what you report is odd. sounds like low coolant |
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01-13-2010, 10:21 AM | #3 |
[QUOTE=127.0.0.1;432400]yes have the dealer check it, this is not normal
the Yaris should behave like any other car. what you report is odd. sounds like low coolant[/QUOTE The coolant level is a little below the max line.
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01-13-2010, 11:38 AM | #4 | |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
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Quote:
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01-13-2010, 12:23 PM | #5 |
Banned
Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
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"also when it does that the temp. coming from heater goes up and down also"
if it were a scangauge error, the above can be explained by warm vs cold air mass in the vehicle moving around during decel....but my piglet doesn't do it |
01-13-2010, 12:30 PM | #6 |
I could see that, but the inside temp.for the heat goes up and down also, to the point that it has a cold feel to it, and the coolant level is just below the max line, well anyway I'm going to get it look at on Friday, I will keep you posted on what happens.
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01-13-2010, 12:42 PM | #7 |
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Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
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plus an odd sound in engine....possible big air bubble in water lines
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01-13-2010, 02:29 PM | #8 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
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Take the radiator cap off with the engine cold. If it's not full to the cap with the engine cold, it doesn't matter what's in the coolant tank. The air bubble will allow for expansion of the coolant as it heats, it won't push any excess out into the recovery tank, and it won't make a sufficient vacuum to pull coolant out of the tank into the radiator. The system needs to start out with the radiator, water jacket and lines very nearly purged of all air to function properly.
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01-14-2010, 09:30 AM | #9 | |
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I took radiator cap off and it was full there, well I'm taking it in tomorrow to get it checked out. I have change jobs and are alot closer to home, I only drive about 10 mins to work, so this maybe the reason why the temperature is doing what it's doing I just thought of that.
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01-14-2010, 06:26 PM | #10 |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
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01-14-2010, 06:40 PM | #11 |
After 10 minute drive to work.
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01-14-2010, 04:57 PM | #12 |
Audio Junky
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wonder if your thermostat is phuxord... or a sensor is loose/malfunctioning
temp changes should only be like +/- 2F from cruise to brake... most of the time I don't see a change, unless it is early on in the commute. |
01-15-2010, 03:50 PM | #13 |
Well got back from dealer, after all it was just low in coolant and they said with the colder temperature outside these cars act that way sometimes. I went ahead a got them to pressure check(no leaks found) the system and replace coolant with new anyway, they said all is good. So I feel better now.
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01-15-2010, 04:53 PM | #14 |
Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008
Location: New Hampshire
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Hope service was free! Replace coolant? It s long Life coolant?! You just said coolant level was OK. I think the lied as usual.
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01-15-2010, 05:31 PM | #15 |
It was free, well I prepaid (oil changes, coolant change, tire rotation, wipers) for 3 years when I purchased the car. They put what ever coolant that is required for the car. It was low when I checked before going, but I requested them to change it plus it was free.
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01-16-2010, 07:59 AM | #16 |
Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008
Location: New Hampshire
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Not free U prepaid. How much was the pre-pay? Doesnt make economic sense - but its better than buying fabric protector and finish sealant I suppose. I absolutely doubt they dumped the coolant - maybe they added a dribble. BTW the coolant is supposed to last for 100K miles! Hope its not the dreaded water pump seal going on a toyota with toyota long life coolant syndrome. Our 05 Rav 4 water pump was dead at 57K miles 2.5 years ;(
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01-16-2010, 10:01 AM | #17 | |
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The prepaid premium service was $800 included all of this for 3 years unlimited miles(coupon book): Oil Changes Cabin air filter Tire rotations Coolant service Wiper Blades Car washes loaner car Plus you get the extended warranty for 6years 100K I thought it was a pretty good deal at the time I purchased the car. They said water pump was ok, so we'll see.
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