Transmission History by Year - Mitsubishi Montero
1992 - 2000: 4-speed automatic (V4A51) rear-wheel drive or 4WD; 3.0L or 3.5L V6 2001 - 2006: 5-speed automatic (V5A51) with Super Select 4WD; 3.8L V6; 215 hp Final US year: 2006
Expert Mitsubishi Montero transmission service in Chicago. Free computer diagnostic, 2-year / 24,000-mile warranty on rebuilds, all years.
We will contact you as soon as a service member is available by call, text, or email.
1992 - 2000: 4-speed automatic (V4A51) rear-wheel drive or 4WD; 3.0L or 3.5L V6 2001 - 2006: 5-speed automatic (V5A51) with Super Select 4WD; 3.8L V6; 215 hp Final US year: 2006
Montero V4A51/V5A51 diagnosis uses Mitsubishi diagnostic software or compatible OBD scanner. Solenoid pack testing - individual solenoid resistance and function. Fluid condition: SP-III ATF required. Torque converter shudder test at highway cruise. Transfer case diagnosis is separate - actuator motor replacement covers most 4WD engagement failures. Valve body service addresses delayed engagement and erratic shift complaints. Full rebuild is required when internal clutch pack wear is confirmed by pressure testing.
Mitsubishi SP-III or Diamond ATF SP-III; approximately 9 quarts; transfer case: separate Mitsubishi-specified gear oil
Fluid service: same day; solenoid pack: 1 - 2 days; transfer case actuator: 1 day; torque converter: 2 - 3 days; full rebuild: 4 - 6 days
Every vehicle needs diagnosis before anyone can promise a repair path. These are the situations we help organize before you decide what to do next.
Tell us when it happens, whether reverse still works, and if warning lights are on. A scan and fluid check come before guessing at a rebuild.
Fluid condition, leak location, and driving distance matter. If the vehicle is slipping badly or overheating, towing may be the safer next step.
A failed solenoid, valve body, converter, or internal clutch problem can lead to very different repair paths. The goal is a clear diagnosis and written estimate.
The V5A51 is a robust unit - Mitsubishi's 5-speed automatic was competitive when the Montero was current. The main wear items are solenoid pack and torque converter. With fluid maintenance and timely solenoid service, V5A51 units reach 200,000+ miles.
Yes - V4A51 and V5A51 rebuild kits, solenoid packs, and torque converters are available. The Montero shares transmissions with other Mitsubishi and some Dodge/Chrysler applications, which broadens parts availability.
Metal particles in the fluid, slipping during acceleration, limp mode that isn't resolved by solenoid replacement, or pressure test results below spec indicate rebuild territory. We inspect before recommending - not every Montero with shift complaints needs a full rebuild.
Mitsubishi's Super Select 4WD allows switching between 2WD, 4WD High, 4WD High Locked, and 4WD Low while moving. It uses an electronically-controlled transfer case that can fail at the actuator motor - a common service item on high-mileage Monteros.
Full rebuild: $2,600 - 3,600. Remanufactured unit installed: $3,000 - 4,400. Solenoid-only repair: $600 - 1,050. We quote after a full diagnostic inspection.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.
