MajorCommonTransmission

Mitsubishi Evo X: SST Dual-Clutch Clutch Pack Wear and Judder

SST Dual-Clutch Clutch Pack Wear and Judder is a common transmission fault on the Mitsubishi Evo X on the 2008–2015 cars, and we rate it major. Putting it right costs $3,500 to $12,000 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 Mitsubishi Evo X.

Vehicle: Mitsubishi Evo X
Only on: Evolution
Years: 2008–2015
Fuel: petrol
Gearbox: dct
System: Transmission

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

All Mitsubishi Evo X faults10 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the Clutch yet. We would rather show none than show a picture of a different part.

What goes wrong

The Evo X Sportronic Shift Transmission (SST) is a wet dual-clutch unit with separate clutch packs for odd and even gear sets. The clutch packs wear prematurely through repeated low-speed clutch slip in stop-start traffic, aggressive standing launches, or fluid degradation. A worn clutch pack produces a characteristic shudder or vibration between 10–30 km/h that worsens over time. The Transmission Control Unit (TCU) calibration also drifts, causing harsh or delayed shifts. Mitsubishi issued multiple TCU software updates to address shift quality, but mechanical wear is not corrected by software alone. Full clutch pack replacement requires transmission removal and specialist rebuild tooling.

What you would notice

Vibration or shuddering between 10 and 30 km/h from rest
Jerky or delayed engagement when pulling away from stops
Harsh 1st-to-2nd gear shift under light throttle
Transmission fault or sport mode warning light

How to check it

Where to look. Transmission tunnel, SST dual-clutch unit attached to 4B11T

Test drive specifically in slow stop-start traffic — pull away gently multiple times and feel for shudder or vibration in the drivetrain.
Check SST fluid colour and smell (should be clear/light amber, not dark or burnt).
Ask for SST fluid change receipts at or under 30,000km intervals.
Ask the seller whether TCU software updates have been applied at a Mitsubishi dealer.
If a workshop inspection is possible: Connect an OBD-II scanner and check for stored transmission fault codes.

Parts involved: Clutch.

What it costs to put right

$3,500 to $12,000 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

“When was the SST fluid last changed and can you provide a receipt?”
“Has the TCU software ever been updated at a Mitsubishi dealership?”
“Does the car vibrate or shudder when pulling away slowly?”

Now check the Mitsubishi Evo X 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.

Mitsubishi Evo X buyer questions

Is sst dual-clutch clutch pack wear and judder serious on a Mitsubishi Evo X?

We rate it major and common on the Mitsubishi Evo X. The Evo X Sportronic Shift Transmission (SST) is a wet dual-clutch unit with separate clutch packs for odd and even gear sets. The clutch packs wear prematurely through repeated low-speed clutch slip in stop-start traffic, aggressive standing launches, or fluid degradation. A worn clutch pack produces a characteristic shudder or vibration between 10–30 km/h that worsens over time. The Transmission Control Unit (TCU) calibration also drifts, causing harsh or delayed shifts. Mitsubishi issued multiple TCU software updates to address shift quality, but mechanical wear is not corrected by software alone. Full clutch pack replacement requires transmission removal and specialist rebuild tooling.

How much does it cost to fix on a Mitsubishi Evo X?

$3,500 to $12,000 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 Mitsubishi Evo X years are affected?

Our research records this fault on the 2008–2015 Mitsubishi Evo X. 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.

How do I check for it before I buy?

Test drive specifically in slow stop-start traffic — pull away gently multiple times and feel for shudder or vibration in the drivetrain. Check SST fluid colour and smell (should be clear/light amber, not dark or burnt). Ask for SST fluid change receipts at or under 30,000km intervals. Ask the seller whether TCU software updates have been applied at a Mitsubishi dealer. If a workshop inspection is possible: Connect an OBD-II scanner and check for stored transmission fault codes. Look here: Transmission tunnel, SST dual-clutch unit attached to 4B11T