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Old 05-11-2017, 01:00 AM   #1
funky2nite
 
Drives: 2013 Hybrid 1.5L T4
Join Date: Jan 2011
Location: EU
Posts: 46
Hybrid owners is this normal 'priming/prepping' noise or just mine?

To put my mind at rest, when turning the key to acc or on from off, normally cars prime fuel or whatever. But my hybrid's priming sound im not too sure off. Ignore the two vibration sound at the beginning of the video as an email was just received.

Thanks everyone,
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Old 05-11-2017, 01:05 AM   #2
funky2nite
 
Drives: 2013 Hybrid 1.5L T4
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Quote:
Originally Posted by funky2nite View Post
To put my mind at rest, when turning the key to acc or on from off, normally cars prime fuel or whatever. But my hybrid's priming sound im not too sure off. Ignore the two vibration sound at the beginning of the video as an email was just received.

Thanks everyone,
Sry wouldn't let me attach video. So i uploaded to youtube here : https://youtu.be/zf4Q8m1g1e0
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Old 05-12-2017, 09:28 AM   #3
Bluevitz-rs
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The Toyota hybrid systems use a coolant thermos that stores hot coolant. When you start up a cold engine the system pumps the warm coolant through the head to speed up the warming of the engine.
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Old 05-13-2017, 02:53 AM   #4
funky2nite
 
Drives: 2013 Hybrid 1.5L T4
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Quote:
Originally Posted by Bluevitz-rs View Post
The Toyota hybrid systems use a coolant thermos that stores hot coolant. When you start up a cold engine the system pumps the warm coolant through the head to speed up the warming of the engine.
Do you think it's the same thing for our yaris hybrid? cos a look on the net only returns prius chats. Was a bit more concerned on the noise itself, cos it's a bit 'rattly' just like an old refrigerator's motor :/
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Old 05-13-2017, 08:06 AM   #5
Bluevitz-rs
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On my side of the pond it is labeled a Prius C with a slightly different body.

How many miles/km on the car? All those sounds are normal for a cold hybrid.
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Old 05-13-2017, 09:33 AM   #6
funky2nite
 
Drives: 2013 Hybrid 1.5L T4
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It's a 2013 reg with 13k miles on the clock.
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Old 05-13-2017, 03:40 PM   #7
stykerdk
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Its normal its making some prepping/pumping sound when you open the driver door, but ours doesnt make that buzz sound.
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Old 05-15-2017, 03:03 PM   #8
funky2nite
 
Drives: 2013 Hybrid 1.5L T4
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Originally Posted by stykerdk View Post
Its normal its making some prepping/pumping sound when you open the driver door, but ours doesnt make that buzz sound.
I figured that the sound isnt as toyota intends it to be. If one is sure about what the sound is or where its coming from when either the door is opened/key switched on, maybe i can have a look at it. Someone mentioned the coolant thermos. Can anyone record a short sound/clip of their hybrid priming on turning key oropen door so i can compare ?
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