4.8is Ride Height Calibration

[Gogubjp]

Can someone tell me how can i run my 4.8is low ?
I mean to stay allways low the suspension...

[sockethead]

During the calibration process, you put in false readings to trick it into lowering the suspension. So if you want to lower it, you would trick it into thinking it’s higher than it actually is.
There was a chart somewhere here on the forum years ago that listed all the measurements.

[Gogubjp]

And how i do that ? Can i do with INPA ?

[sockethead]

I never used INPA. I always used DIS but if your inputting measurements from the hub to the wheel well like you do in DIS, it’s those measurements you use change and lower the vehicle

[mr_robot]

Originally Posted by brucemillar

If using inpa? on >Calibration/Set Height you have to ignore the deviation figures.

What you have to do is get the truck 100% level.
Then measure from the ground to the fender center via the wheel center.
The difference between that measurement and the stated default is what you are need to correct, regardless of any "Deviation" numbers.

TIP: get a bit of paper & a pen and write down all four corner measurements BEFORE you start to enter them into the system. Ideally you only want to do this once.

With inpa: Make sure that you have cleared any errors prior to entering your numbers.

Engine on
Drivers door ONLY open.
Enter measurements
Close drivers door
Watch car re-calibrate.
Give it a few minutes to finish & settle.
Remove inpa etc.
Turn engine off, remove keys, lock car, wait 15 minutes.
Go back and check that the settings are still good by using the Manual dash switch, to raise and lower the car.

Finally got my INPA working and want to try to calibrate mine. I will follow these steps but I measure from the ground or bottom lip of the wheel?

[brucemillar]

Originally Posted by mr_robot

Finally got my INPA working and want to try to calibrate mine. I will follow these steps but I measure from the ground or bottom lip of the wheel?

I measured from the ground vertically up through the wheel centre to the arch.


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[Gogubjp]

This is the correct measurment !!

https://ibb.co/vs7VZ9f

Hope is working now the link, because i can't upload directly here a pic from my phone, so i have to upload it to this website.

[mr_robot]

Got it, thanks Gogubjp.

So the 4.8is has sport suspension as standard correct?

I just went and measured mine and front is at 724mm and rear was 711mm from bottom lip of the wheel to bottom of fender.

So I enter 724-707 = 17 or 707-724 = -17?

[Gogubjp]

Always write/code like normal when you want to lower (17 positive), and always write/code when you want to rise (-17 minus).

But you need a pen and a papel to write down the number, to do exactlly the correct measurment, so all wheels to be the same (left rear with right rear, and left front the same with right front)....i mean, when i lower mine, was like this lf16,5/ rf17, lr19,5/ rr21.

Hope you understand what i'm saying, good luck 👍

[DougPEX5]

Once your done with the calibration process, shut off vehicle. Restart and go for a short drive then recheck height.


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