MajorCommonTransmission

Toyota Axio: NZE141 U340E Automatic Transmission Torque Converter Shudder

NZE141 U340E Automatic Transmission Torque Converter Shudder is a common transmission fault on the Toyota Axio on the 2006–2012 cars, and we rate it major. Putting it right costs $150 to $4,200 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 39 documented faults on the Toyota Axio.

Vehicle: Toyota Axio
Years: 2006–2012
Fuel: petrol
Gearbox: auto
System: Transmission

This page covers the Toyota Axio 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 Axio faults39 documented faults on this model

What you are looking at

A cutaway automatic transmission torque converter showing the internal turbine and stator. — A torque converter, sectioned. The lock-up clutch inside is what shudders.
No machine-readable author provided. BerndB~commonswiki assumed (based on copyright claims). · CC BY-SA 3.0 · Wikimedia Commons

What goes wrong

The NZE141 Corolla Axio fitted with the U340E 4-speed automatic transmission is susceptible to torque converter clutch shudder. The lock-up clutch in the torque converter engages at light throttle cruise conditions, typically 60 to 90 km/h. When the friction material on the lock-up clutch wears or the ATF degrades and loses its friction modifier properties, the clutch engages inconsistently and produces a pronounced vibration. The shudder is often misdiagnosed as an engine misfire or driveshaft fault. Fluid-only remediation with genuine Toyota ATF can resolve the issue in early stages; advanced wear requires torque converter replacement or full transmission rebuild.

What you would notice

Rhythmic vibration felt through the whole vehicle at steady cruise speed of 60 to 90 km/h under light throttle
Shudder immediately disappears when throttle is increased or decreased sufficiently to disengage the lock-up clutch
ATF drained from transmission shows dark colour and burnt odour consistent with friction material contamination

How to check it

Where to look. Automatic transmission unit mounted behind the 1NZ-FE or 2NZ-FE engine; torque converter located at the engine-to-transmission bell housing interface

Road test at steady 60 to 90 km/h on flat road under light throttle; feel for rhythmic vibration resembling rumble strips. Apply slightly more throttle to force torque converter unlock — if vibration disappears, torque converter lock-up shudder is confirmed. Check ATF condition via dipstick: dark, burnt-smelling fluid indicates friction modifier depletion. Perform stall speed test to assess torque converter condition.

Parts involved: Torque converter.

What it costs to put right

$150 to $4,200 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

“Does the car vibrate or shudder when cruising at 60 to 90 km/h?”
“When was the automatic transmission fluid last changed?”
“Has the transmission ever been rebuilt or had the torque converter replaced?”

Now check the Toyota Axio 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 Axio buyer questions

Is nze141 u340e automatic transmission torque converter shudder serious on a Toyota Axio?

We rate it major and common on the Toyota Axio. The NZE141 Corolla Axio fitted with the U340E 4-speed automatic transmission is susceptible to torque converter clutch shudder. The lock-up clutch in the torque converter engages at light throttle cruise conditions, typically 60 to 90 km/h. When the friction material on the lock-up clutch wears or the ATF degrades and loses its friction modifier properties, the clutch engages inconsistently and produces a pronounced vibration. The shudder is often misdiagnosed as an engine misfire or driveshaft fault. Fluid-only remediation with genuine Toyota ATF can resolve the issue in early stages; advanced wear requires torque converter replacement or full transmission rebuild.

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

$150 to $4,200 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 Axio years are affected?

Our research records this fault on the 2006–2012 Toyota Axio. 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.