MajorCommonTransmission

Toyota Fielder: CVT K112/K113 Push-Belt Judder at Low Speed

CVT K112/K113 Push-Belt Judder at Low Speed is a common transmission fault on the Toyota Fielder on the 2006 onward cars, and we rate it major. Putting it right costs $180 to $8,500 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 37 documented faults on the Toyota Fielder.

Vehicle: Toyota Fielder
Years: 2006 onward
Fuel: petrol
Gearbox: cvt
System: Transmission

This page covers the Toyota Fielder 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 Fielder faults37 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

The Aisin K112 (NZE141) and K113 (NZE164) continuously variable transmissions are prone to a juddering or shuddering sensation when pulling away from rest, typically between 10–30 km/h. The root cause is degraded CVT fluid losing its friction modifier properties, causing the steel push-belt to micro-slip against the primary and secondary pulleys. Continued operation on degraded fluid accelerates belt and pulley face scoring, escalating to a full CVT replacement costing NZD 4,000–8,000.

What you would notice

Rhythmic shudder or buzz felt through the drivetrain when accelerating from 0–30 km/h
Shudder worsens when the CVT fluid is cold and often temporarily improves after the transmission warms up
In advanced cases, a slipping sensation under load or the vehicle failing to accelerate proportionally to engine rpm

How to check it

Where to look. CVT unit mounted transversely behind the engine, accessible from beneath the vehicle

Road test from cold: pull away smoothly on a flat road and feel for a rhythmic shudder or vibration between 10–30 km/h. Check CVT fluid condition via the dipstick or drain plug (fluid should be red/pink and translucent, not brown or burnt-smelling). Ask for CVT fluid service history — Toyota specifies replacement at 40,000 km in severe conditions. If a workshop inspection is possible: With the vehicle on a hoist, check for any ATF seepage around the CVT bell housing seam.

Parts involved: CVT belt and pulleys.

What it costs to put right

$180 to $8,500 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 replaced, and if so, what fluid was used and at what mileage?”
“Does the transmission shudder when pulling away from a cold start?”
“Has any CVT-related work been carried out, including a fluid flush or software update?”

Now check the Toyota Fielder 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 Fielder buyer questions

Is cvt k112/k113 push-belt judder at low speed serious on a Toyota Fielder?

We rate it major and common on the Toyota Fielder. The Aisin K112 (NZE141) and K113 (NZE164) continuously variable transmissions are prone to a juddering or shuddering sensation when pulling away from rest, typically between 10–30 km/h. The root cause is degraded CVT fluid losing its friction modifier properties, causing the steel push-belt to micro-slip against the primary and secondary pulleys. Continued operation on degraded fluid accelerates belt and pulley face scoring, escalating to a full CVT replacement costing NZD 4,000–8,000.

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

$180 to $8,500 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 Fielder years are affected?

Our research records this fault on the 2006 onward Toyota Fielder. 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.