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Mitsubishi Pajero: V5A51 5-Speed Automatic Transmission Valve Body and Solenoid Wear

V5A51 5-Speed Automatic Transmission Valve Body and Solenoid Wear is a common transmission fault on the Mitsubishi Pajero on the 2000 onward cars, and we rate it major. Putting it right costs ≈A$1,380 to ≈A$5,980 at independent workshop rates, shown as an approximate guide in Australian dollars. 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 40 documented faults on the Mitsubishi Pajero.

Vehicle
Mitsubishi Pajero
Engine
3.2L / 3.5L
Years
2000 onward
Gearbox
auto
System
Transmission

This page covers the Mitsubishi Pajero 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 Pajero faults40 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the Mechatronic / valve body yet. We would rather show none than show a picture of a different part.

What goes wrong

The V5A51 5-speed automatic transmission fitted to 3.2D and 3.5L V6 variants develops valve body wear and solenoid degradation, typically after 150,000 km or if fluid changes have been neglected. The valve body spool bores wear, causing pressure leaks that manifest as delayed engagement from rest, harsh 2-3 upshifts, or hunting between gears on light throttle. Solenoid failure can cause the transmission to default to a limp-home mode, locking into 3rd gear.

What you would notice

  • Delayed or clunky engagement when selecting Drive or Reverse from Park
  • Harsh or shuddering 2-3 upshift, especially when cold
  • Transmission hunting between gears at steady light-throttle cruise
  • Limp-home mode activation — transmission locks into 3rd gear
  • Burnt or dark brown automatic transmission fluid on dipstick

How to check it

Where to look. Automatic transmission, underside of vehicle

Test drive must include a cold start from drive-away (check for slip or clunk engaging Drive), and a sustained cruise with several full-range upshifts and kickdown events. A delay of more than 1 second engaging Drive or Reverse from Park is a red flag. Pull the transmission dipstick (if accessible) and check fluid colour — brown or burnt-smelling fluid indicates overdue service. If a workshop inspection is possible: Check for any transmission fault codes with an OBD-II scanner.

Parts involved: Mechatronic / valve body.

What it costs to put right

≈A$1,380 to ≈A$5,980 at independent workshop rates, shown as an approximate guide in Australian dollars. That is for this job on its own, not for the car.

An estimate, converted to Australian dollars, 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 automatic transmission fluid last changed, and has it ever been serviced?”
  • “Has the transmission ever entered limp-home or fault mode, or been repaired?”
  • “Does the transmission shift smoothly through all gears from cold and under kickdown?”

Now check the Mitsubishi Pajero 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 still has money owing on it, has been written off or reported stolen, what kms it showed in past sale ads, whether it has had accident repair claims and what it is worth today. That comes from the official records for that plate. Enter the plate and its state for the A$17.90 Vehicle Check, or the full history from A$24.99.

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 Pajero buyer questions

Is v5a51 5-speed automatic transmission valve body and solenoid wear serious on a Mitsubishi Pajero?

We rate it major and common on the Mitsubishi Pajero. The V5A51 5-speed automatic transmission fitted to 3.2D and 3.5L V6 variants develops valve body wear and solenoid degradation, typically after 150,000 km or if fluid changes have been neglected. The valve body spool bores wear, causing pressure leaks that manifest as delayed engagement from rest, harsh 2-3 upshifts, or hunting between gears on light throttle. Solenoid failure can cause the transmission to default to a limp-home mode, locking into 3rd gear.

How much does it cost to fix on a Mitsubishi Pajero?

≈A$1,380 to ≈A$5,980 at independent workshop rates, shown as an approximate guide in Australian dollars. 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 Pajero years are affected?

Our research records this fault on the 2000 onward Mitsubishi Pajero. 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 must include a cold start from drive-away (check for slip or clunk engaging Drive), and a sustained cruise with several full-range upshifts and kickdown events. A delay of more than 1 second engaging Drive or Reverse from Park is a red flag. Pull the transmission dipstick (if accessible) and check fluid colour — brown or burnt-smelling fluid indicates overdue service. If a workshop inspection is possible: Check for any transmission fault codes with an OBD-II scanner. Look here: Automatic transmission, underside of vehicle