MajorCommonTransmission

Toyota Blade: Super CVT-i Shudder and Judder Under Light Throttle Acceleration

Super CVT-i Shudder and Judder Under Light Throttle Acceleration is a common transmission fault on the Toyota Blade on the 2006–2012 cars, and we rate it major. Putting it right costs $180 to $7,500 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 10 documented faults on the Toyota Blade.

Vehicle: Toyota Blade
Years: 2006–2012
Fuel: petrol
Gearbox: cvt
System: Transmission

This page covers the Toyota Blade as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Toyota Blade faults10 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the CVT belt and pulleys yet. We would rather show none than show a picture of a different part.

What goes wrong

AZE154/AZE156 Blade models equipped with Toyota's Super CVT-i (U341E family) transmission are prone to a characteristic shudder or judder felt through the drivetrain and floor under light to moderate throttle between approximately 30–70 km/h. The primary cause is deterioration of the CVT fluid's friction modifier additives, which are essential for maintaining correct slip characteristics across the steel push-belt and pulley faces; secondary causes include belt wear and pulley surface micro-pitting. Toyota issued a specific CVT fluid replacement interval tightening and approved Toyota Genuine CVT Fluid FE as the remediation fluid, which in many cases resolves shudder when caught early.

What you would notice

Vibration or shudder felt through the vehicle floor and seat during light throttle application at 30–70 km/h
Juddering sensation when pulling away from rest under gentle acceleration
Dark, discoloured, or burnt-smelling CVT fluid on dipstick inspection
Transmission warning light illuminating on severe cases with fault codes for ratio or slip errors

How to check it

Where to look. Transmission tunnel — CVT unit beneath the centre console

During the test drive, lightly accelerate from 30 km/h to 70 km/h on a flat road and feel for any vibration, shudder, or judder through the floor, seat, or steering wheel. Check CVT fluid condition and colour (should be clean red, not dark brown or burnt-smelling). Ask for CVT fluid service history — the fluid should be changed every 40,000 km under Toyota's revised schedule. A transmission-specific road test by a transmission specialist is recommended on high-mileage units.

Parts involved: CVT belt and pulleys.

What it costs to put right

$180 to $7,500 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Has the CVT fluid ever been changed, and if so at what mileage?”
“Has the transmission ever exhibited any shudder, judder, or vibration during acceleration?”
“Has the car ever had any transmission warning lights or been to a transmission specialist?”

Now check the Toyota Blade you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.

Toyota Blade buyer questions

Is super cvt-i shudder and judder under light throttle acceleration serious on a Toyota Blade?

We rate it major and common on the Toyota Blade. AZE154/AZE156 Blade models equipped with Toyota's Super CVT-i (U341E family) transmission are prone to a characteristic shudder or judder felt through the drivetrain and floor under light to moderate throttle between approximately 30–70 km/h. The primary cause is deterioration of the CVT fluid's friction modifier additives, which are essential for maintaining correct slip characteristics across the steel push-belt and pulley faces; secondary causes include belt wear and pulley surface micro-pitting. Toyota issued a specific CVT fluid replacement interval tightening and approved Toyota Genuine CVT Fluid FE as the remediation fluid, which in many cases resolves shudder when caught early.

How much does it cost to fix on a Toyota Blade?

$180 to $7,500 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Toyota Blade years are affected?

Our research records this fault on the 2006–2012 Toyota Blade. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.