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Nissan Skyline: ATTESA-ETS AWD Transfer Case Oil Degradation (Stagea C34/M35)

ATTESA-ETS AWD Transfer Case Oil Degradation (Stagea C34/M35) is a common transmission fault on the Nissan Skyline on the 1996–2007 cars, and we rate it major. Putting it right costs $800 to $4,500 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 41 documented faults on the Nissan Skyline.

Vehicle
Nissan Skyline
Years
1996–2007
Fuel
petrol
Gearbox
auto
System
Transmission

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

All Nissan Skyline faults41 documented faults on this model

What you are looking at

No photograph available

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

What goes wrong

The ATTESA-ETS electronically controlled AWD transfer case requires Nissan-specified ATF that degrades over time, causing clutch pack wear and erratic torque distribution. Many imported Stageas have had the transfer case fluid neglected or topped up with incorrect fluid, accelerating wear. Symptoms progress from shudder under load to complete transfer case failure requiring expensive rebuilds or replacements.

What you would notice

  • Shudder or vibration under hard acceleration from rest
  • AWD warning light illuminated
  • Clunk when engaging drive from a standstill
  • Uneven or unpredictable torque distribution on low-grip surfaces

How to check it

Where to look. ATTESA transfer case, rear of gearbox

  1. Check ATTESA transfer case fluid condition and level using the correct Nissan ATF specification — incorrect fluid causes rapid degradation.

  2. Inspect transfer case seals for leaks.

  3. Test AWD engagement behaviour on a loose or wet surface.

  4. Scan for ATTESA-related fault codes.

Parts involved: Transfer case.

What it costs to put right

$800 to $4,500 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

  • “When was the ATTESA transfer case fluid last changed, and with what fluid?”
  • “Has the AWD system been inspected or repaired?”
  • “Any AWD warning lights or unusual behaviour under acceleration?”

Now check the Nissan Skyline 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.

Nissan Skyline buyer questions

Is attesa-ets awd transfer case oil degradation (stagea c34/m35) serious on a Nissan Skyline?

We rate it major and common on the Nissan Skyline. The ATTESA-ETS electronically controlled AWD transfer case requires Nissan-specified ATF that degrades over time, causing clutch pack wear and erratic torque distribution. Many imported Stageas have had the transfer case fluid neglected or topped up with incorrect fluid, accelerating wear. Symptoms progress from shudder under load to complete transfer case failure requiring expensive rebuilds or replacements.

How much does it cost to fix on a Nissan Skyline?

$800 to $4,500 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 Nissan Skyline years are affected?

Our research records this fault on the 1996–2007 Nissan Skyline. 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?

Check ATTESA transfer case fluid condition and level using the correct Nissan ATF specification — incorrect fluid causes rapid degradation. Inspect transfer case seals for leaks. Test AWD engagement behaviour on a loose or wet surface. Scan for ATTESA-related fault codes. Look here: ATTESA transfer case, rear of gearbox