Pajero Owners Club of South Africa

4ePikanini wrote:This sums it up nicely

Gen1 = Easy Select
Gen2/3/4 = Super Select ....

Very nice but small mistake - mix of systems and generations.

Gen1 is not Easy Select. It is the first generation of 4WD, usually named "part-time 4WD" The main difference, except for absence of the center differential, is absence of viscous transmission unit which is inevitable for shift 2WD to 4WD on the fly up to 100km/h (62mph). "The first generation Pajero had to be stationary to switch from rear wheel drive to four wheel drive (but not from four wheel drive back to rear wheel drive)".

Gen2= Super Select 4WD and Easy Select (Pajero/Montero Sport, Pajero Young,some early production Gen2, usually SWB) with electromechanical control system

Gen3/4 = Super Select 4WD II (SS4-II) with fully electronic control unit

Thank you all for all your help, let me tell you, there is a light on the front panel that says: free wheel locked. I just saw it and I tested it, the bulb turns on if I connect a 12 v power supply directly to it, that is why I would like to know if the locking system works.

Mmmmmm, so interesting what you say, there is a procedure I can follow, it explains something realted to the device that triggers the locking system. this has a pulse device mounted on the transmition and another at the back of the front panel, it is a metal box. sorry, I don't know how to say it in english. but it is at the right side standing on the co-pilot seat.

I will post my findings.

Thank you once more!!!

Israel

Guy pajero's do not have auto locking hubs the hubs a permantly locked it has a clutch on the RHS of the front diff which engages four wheel drive. My isuzu has auto locking hubs which engage and disengage at the wheel.
Colin

Hi Marius. Just to be a little pedantic, here are some comments regarding your informative post:

4ePikanini wrote:Gen1 = Easy Select
Gen2/3/4 = Super Select

Easy Select is a part time 4wd system, but I think the Easy Select name was only applied to later systems that featured the front axle disconnect (e.g. in the Colts). The Gen 1 had automatic freewheel hubs (like some Nissan Patrols and Land Cruiser 70 Series models).

Not all Gen 2s had the Super Select system; some had the Easy Select part time system.

Not all Gen 3s had the Super Select system; some also had Easy Select.

The Super Select system used in the Gen 2 (and in some Tritons) is a first generation system that features a bevel gear center differential and manual engagement of four wheel drive or low range. The front axle disconnect device is electromechanical.

The Super Select II system used in the Gen 3 and Gen 4 is the second generation system that features a planetary center differential and is servo-electrically actuated.

4ePikanini wrote:certain gen2 models and certain gen3 models came with rear difflock from the factory. Gen1's with rear diff lock are retrofitted. Later Gen3's and Gen4's didn't have rear diff lock as mitsu gave them Traction control.

Some Gen 3s had the rear diff lock right until the end of production (e.g. the so called "Africa Spec" Gen 3 GLX sold locally).

Some Gen 4s have a rear diff lock in addition to electronic traction control (e.g the current Gen 4 GLX).

4ePikanini wrote:4h - all wheel drive - front and rear propshafts connected via VCU - similar to viscous clutch or torque converter

Similar to a viscous cooling fan clutch, yes, but not the same thing as a torque converter. The operational principle in the viscous coupling is fluid shear (the fluid being dilatant), while the torque converter operates hydrodynamically in a similar way to a centrifugal pump (not quite identical, but you will get the idea).

4ePikanini wrote:4hlc - front and rear propshafts turn at the same speed - vacuum actuators engage front right sideshaft to front diff via electric solenoids based on sensors on transfer case and front diff

Actually the front axle is already connected electromechanically when 4H is selected. This has to happen to enable any drive troque to be transferred via the front axle, regardless of whether 4H, 4HLc or 4LLc is selected.

gomi wrote:Thank you all for all your help, let me tell you, there is a light on the front panel that says: free wheel locked. I just saw it and I tested it, the bulb turns on if I connect a 12 v power supply directly to it, that is why I would like to know if the locking system works.

Mmmmmm, so interesting what you say, there is a procedure I can follow, it explains something realted to the device that triggers the locking system. this has a pulse device mounted on the transmition and another at the back of the front panel, it is a metal box. sorry, I don't know how to say it in english. but it is at the right side standing on the co-pilot seat.

I will post my findings.

Thank you once more!!!

Israel

Wow, that certainly is news to me, but then I am not all that knowledgeable regarding the different versions and specifications of Gen 1 Pajeros sold all over the world. I thought they all had the autohubs.

colinken wrote:Guy pajero's do not have auto locking hubs the hubs a permantly locked it has a clutch on the RHS of the front diff which engages four wheel drive.

Think again. The Gen 1 is different. It has autohubs like the first Colts sold here . What you say does hold true for the Gen 2, 3 and 4 as well as the second generation Colts sold here and the Triton.

colinken wrote:My isuzu has auto locking hubs which engage and disengage at the wheel.
Colin

Which Isuzu is this? I would guess an older Trooper?

Thanks for the correction. I never knew. This is truely becoming an informative thread.

colinken wrote:Guy pajero's do not have auto locking hubs the hubs a permantly locked it has a clutch on the RHS of the front diff which engages four wheel drive. My isuzu has auto locking hubs which engage and disengage at the wheel.
Colin

As previously said, the Gen1 front hubs were auto locking.
What could be the case in this instance is that somebody fitted Aisin free-wheeling hubs.
These are same as early model Hiluxes and can be fitted as after-market replacements.

A photograph of the hub will clear up the confusion.

Avm from aussie do a very nice free wheeling hub for the paj at R2200.00
Colin

The Gen1 hubs are free wheeling. Free!
They automatically engages when you select 4WD.