Whining noise when cold cvt? Ima? - Honda CRZ Forum: Honda CR-Z Hybrid Car Forums
 
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post #1 of 6 (permalink) Old 10-25-2016, 08:58 AM Thread Starter
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Whining noise when cold cvt? Ima?

As it's started to get colder out i have started to notice a whine noise if it's below 50 degrees out. This only happens in the morning on a cold start and goes away within a couple of minutes at most. It's louder than the normal IMA noise and so I'm not sure if IMA can be louder as it gets colder or if it's cvt related. It most closely sounds like the noise older non cvt hondas make when in reverse. But this only has happened going forward for a few minutes on a cold start Anyone else noticed anything similar ?
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post #2 of 6 (permalink) Old 10-25-2016, 10:32 AM
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I also have a CVT and have noticed a little more noise when cold but it never bothered me. Just a data point.

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post #3 of 6 (permalink) Old 10-25-2016, 10:42 AM Thread Starter
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Good to know. It doesn't bother me as long as it's normal. once it gets cold enough to duplicate more often I may have the dealer check it just to be sure it's nothing since it's still under warranty.
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post #4 of 6 (permalink) Old 10-25-2016, 01:22 PM
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Have you opened the hood? Get a 4' piece of vacuum hose, put one end up to your ear and cruise the other end around in the engine compartment. See if it might be belt noise.
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post #5 of 6 (permalink) Old 10-25-2016, 01:54 PM Thread Starter
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So far it only happens when in motion and usually stops before I'm out of my neighborhood or before I've gone more than a mile or 2. Haven't been able to duplicate while sitting still as it gets colder I should be able to duplicate it easier but it seems to be related to being in motion just not sure if Ima is making it or transmission.
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post #6 of 6 (permalink) Old 11-10-2016, 03:26 PM Thread Starter
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Update on the noise. Dropped it off a the dealer and they have recreated it a few times and think it is coming from the transmission. They have adjusted fluid level and testing again to be sure. They just changed the fluid 2,000 miles ago btw
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