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The specification manual clearly shows the difference. In Power mode, the transmission shifts down at higher speed at part throttle from 4th to 3rd and 3rd to 2nd.
It has no bearing on up shifts.
...

I just noticed that, well picked up Boots.
It will still filter the fumes before they go through the intake, but the pressure relief valves won't be working the correct way so you'll have no safety...

Hi snicko,

Very nice job on the cooler. It should certainly make a difference with van in tow. Your rig is shaping up to be one very capable (and good looking) unit that will hopefully go the...

Hi Todd,

Yes, there are a couple of aftermarket transmission controllers on the market that do an excellent job. A good mate has recently had the HGM Compushift unit fitted to his Traytop CRD auto...

It’s never not safe to drive an auto manually. Personally, I do it all the time, particularly with the Patrols transmission because it has a shockingly poor TCU that doesn’t control the transmission...

Tony, your transmissions TCU will lock the converter in 3rd gear under the right conditions.

The reason for the brake switch relay is that the GU will stall if you forget that it’s locked and slow...

You should adjust the needle valve as you have, at idle so the arm just touches the stop screw. That should put it very close to the mark. Then just adjust the Dawes valve to 15psi with about ½...

Yep, thats it!

Get yourself some new rubber tube and replace the whole length. Removing the cooler is easy enough. Just undo the big hose clamps at the cooler, unplug the MAP sensor and undo the 4...

Not too confusing, you got it right. Let us know how it goes.

Yeh, I just realized that too…..haha. It was easy for you... at least I have the same name…lol!

Hopefully, you shouldn’t need to adjust the stop screw on the turbo actuator arm. In some cases it...

Good advice!

This is the ECU boost control solenoid valve that needs to be bypassed if you've disabled the EGR.

http://www.chaz.yellowfoot.org/images/AirFilterResonator.jpg

Your front axles should have 31 splines.

Brad,

The TB48 uses the Jatco RE5R05A transmission. This transmission is also used in US sold Armada and Titan vehicles along with the V8 Infinity, so I would expect that there would be some...

While I agree that everything you have said is true, unfortunately it doesn’t all apply to a ZD30 diesel engine with respect to EGR. Unlike EGR in most petrol engines, a ZD30 meters EGR and while...

Hi Brad,

Generally improving line pressure and clutch clamping pressures through valve body modifications will add strength to the transmission, but there are other mods that we use to do for drag...