Author Topic: CVT noise cold  (Read 2375 times)

oldgt

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CVT noise cold
« on: June 09, 2018, 07:59:26 PM »
I have a 1.4 Jazz and the CVT makes a strange noise when decelerating for the first few miles. The noise is hard to describe but it's like an moaning whining sound. The gearbox is fine warm and hot with no juddering or noticeable slipping. Oil changed at 25K now at 39K so due again at 50K.

Any advice would be greatly appreciated as this noise is worrying and annoying.

John Ratsey

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Re: CVT noise cold
« Reply #1 on: June 09, 2018, 09:35:16 PM »
The recommended CVT fluid change interval for your Jazz (2011 means MY 2012) on the Honda standard service checklist is 25k miles / 2 years. Fluid degradation is likely a function of both time and distance. If the vehicle is around 7 years old then there should have been three fluid changes. I'd change the fluid before hunting for other problems.
2022 HR-V Elegance, previously 2020 Jazz Crosstar

oldgt

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Re: CVT noise cold
« Reply #2 on: June 09, 2018, 10:00:21 PM »
The car is at 39K and had the  CVT fluid changed at 25K, so that should be okay.

Jocko

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Re: CVT noise cold
« Reply #3 on: June 09, 2018, 10:20:50 PM »
Yes, but is it more than 2 years since it was changed?
It is the lesser of the two. 25,000 miles or 2 years. You should change it after 2 years even if it has only done 10,000 miles.

guest4871

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Re: CVT noise cold
« Reply #4 on: June 09, 2018, 10:54:44 PM »
Yes, but is it more than 2 years since it was changed?
It is the lesser of the two. 25,000 miles or 2 years. You should change it after 2 years even if it has only done 10,000 miles.

+1
 
Change every 2 years or 25,000 miles - which ever comes first

and ONLY use Honda CVT fluid .

oldgt

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Re: CVT noise cold
« Reply #5 on: June 10, 2018, 06:35:45 PM »
CVT oil changed last year at 25K using genuine Honda CVT fluid. Level is correct. No metal filings on the drain bung magnet when the oil was drained.

Anyone else getting odd noises when decelerating with a cold gearbox.

oldgt

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Re: CVT noise cold
« Reply #6 on: April 22, 2020, 07:56:32 AM »
Getting slowly worse.

The CVT unit has the following contents
Torque converter
Variator
Belt
Oil pump
Oil
Heat exchanger to coolant system
forward and reverse clutch packs
Differential

The gearbox makes a noise like water through a partially open tap or a lower slower pitch to a slipping fan belt when cold and only when slowing from about 20MPH. Oil changed at 25, 50 and 75K  with Honda oil from the local dealership, no juddering at takeoff with nose .

So could this noise the forward clutch pack or a faulty control valve in the valve body, the issue is taking longer to clear, do Honda adjust the clutch packs at service and if they do can this be done by the home mechanic, my car has not seen a dealer service since 13K as I cant afford there bills.

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