Nissan Patrol 4x4 (Africa)

Both marks should end up at the same spot - say after 10 revolutions?

jeanne.volschenk wrote:The biggest dammage was the Front Diff which was bend, This I replace temp with the extra front diff from the 4,2 diesel bakkie. According to Aus website the same ratio's as the 4,5. Nissan veiw this information as classified and although they promise to confirm this for me, I am still waiting.

Must have been quite a smash to bend the axle housing. According to the Nissan workshop manuals for the Y61, pick-ups with the TD42Ti (turbocharged) motor have an axle ratio of 4.111:1 just like the 4.5 wagon, but pick-ups with the TD42 (naturally aspirated) motor have a deeper axle ratio (4.375:1). Nissan South Africa's marketing information for the turbocharged pick-up confirms that it uses the 4.111:1 ratio (see HERE).

Do you know whether the axle is out of a turbocharged pick-up? It seems the best is to do Peter's check.

If you want to determine the actual ratio you have, you can conduct a variation of Peter's test.

• Lift one wheel on the axle that you want to determine the ratio of and chock the wheels on the other axle
• Place the transmission or transfer case in Neutral
• Lock the wheel hubs manually (if you are considering the front axle)
• Release the hand brake
• Mark the propeller shaft to the axle in question and the lifted tyre with chalk to make it easy to count revolutions
• Turn the marked propeller shaft a large number of revolutions (say 40) while someone counts the revolutions that the lifted wheel completes

The axle ratio can now be calculated as follows: Ratio = (Number of tyre revolutions x 2)/(Number of propshaft revolutions)

As an example: When rotating the propeller shaft through 40 revolutions, the wheel completes about 19.5 revolutions, so the axle ratio is about (40 x 2)/19.5=4.1

This will be good enough to determine your axle ratio approximately: You won't easily determine the difference between 4.1:1 and 4.111:1 unless you rotate the propshaft through a very large number of revolutions, but it should be good enough to determine which of the valid Patrol axle ratios you are dealing with (in this case 4.111:1 or 4.375:1).



P.S.

Peter's check will only work with open differentials by the way; with a rear LSD you won't be able to rotate the drivetrain by hand, but don't worry, you should have a lockable rear diff and not an LSD; just ensure your rear diff is unlocked. If you want to use Peter's test on an LSD axle, simply lift both of the wheels on the axle.

If you want to calculate the ratio on an LSD equipped axle, lift both wheels on that axle and then calculate the ratio as follows: Ratio = (Number of tyre revolutions)/(Number of propshaft revolutions)

Thanks Guys,

I will do the test, However the Bakkie is a normal aspirated so it might have a differnt ratio. I am about to buy another 3,0L stationwagon which I will strip. I will use the diff housing from that to put the centre portion of the original diff in. The accident was not all that bad It took out a road sign and the concrete footing of the road sign with the leverage of the sign steel pole caused the damage to the diff . The diff is slightly bend just before the knuckle. I will keep you posted.

Regards

JV

Daar is 'n plek in Pretoria Wes wat die diff reg buig - het dit gehoor by Louis Menge van Global Nissan Hatfield.

Thanks, Ek gaan daai ouens kontak.

Esch, Patrol spares are very difficult to come by, Every time I buy a vehicle for spares I end up fixing it. I just bought a 2001, 3,0Di with92K km - Japanese Aid vehicle, Not a diesel fan but will give this one a try. So now I am looking for another one, still have a bakkie to fix. If anyone know about a radiator cradle for 2005 -recent station wagon please let me know. Facelifting the bakkie.

Keep them eyes peeling.

Jeanne