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Hi Chazalby,
You can see it on the bottom left picture. It goes into a plastic elbow on the intake tube that feeds the Provent catchcan. It should work if you connect it anywhere between the MAF and...

If wire 22 goes to the converter locking solenoid on a GQ, then cutting it will prevent the converter from locking. You need to put power onto the solenoid to lock it.
If you have cut the wire, try...

There is a temperature switch inside the transmission which the TCU uses to help control it. Generally the transmission will not go into 4th or O/D until it's up to temp. Lockup should occur after...

Sorry, I can't help you with the manual - I haven't downloaded them.
It's always easier to pull the engine out to do a rebuild, but if you're just going to replace the pistons, it may be easier to...

Magician, yes there are three bolts at the rear of the sump that need to be accessed from in the back, so yes unfortunately the transmission and bell housing need to be removed or at least moved back...

The when is now! The old track to Mt Caernarvon is now open again with a new section to complete a loop solely on the Bunkers Conservation Reserve. At this stage it's only open on long weekends and...

Sorry guy’s, I missed this thread. I took the site down for a few weeks over Feb due to someone hacking my passwords and uploading viral content. All fixed now and the site is back up.
Cheers,

Evil Twin, very well explained!

Just if I may add - people often ask why we would want to slow down the spool rate. There are several good reasons. The factory spool rate is quite fast and VNT’s...

The simple answer is that while all modern diesels do operate with some level EGR, the ZD30 uses very high levels. Peugot do have their problems also as do many other manufacturers, but the Nissan...

Turn the screw clockwise to reduce boost and spoolup. This makes the actuator arm stop before it reaches full travel and reduces the amount of opening the turbos variable vanes can achieve.

Tony,

There’s been a lot of talk recently about inlet system cleaning and what to use or how to go about it. I have removed my throttle body and washed it in petrol, which did a good job of...

The Dawes and Needle valves are two separate items and one shouldn’t affect the other. The Dawes will limit maximum boost and the Needle valve will control the spool rate or how quickly the boost...

Ben81C,

It sounds like none of your mechanic mates or diesel specialist are familiar with the VNT controlled turbochargers used in almost all late model diesel cars. Variable nozzle turbochargers...

Excellent write up ripper! And a job very well done. Shame about the TCU, but like most of us that have the system fitted, you'll always control it manually from now on.

I also got sick of the...

Hi ripper,

There should only be one wire going from your TCU to the converter solenoid in the transmission. From memory I think its terminal 21 on the TCU, but not 100% sure as GQ models did...

When you block the EGR, the boost isn’t raised by the ECU, but it increases because the intake air pressure can’t escape out through the exhaust any longer and all the exhaust gasses are being used...

Hi Paul,
Synthetic oils are far superior to any mineral or even semi synthetic oil available today. I haven’t found a semi synthetic that was as thin cold, but didn’t get much thinner than any fully...

Boomtiki,

You don’t have a particulate filter, so you don’t need the Enviro oil. The reason you’re oil is so black is from EGR. You’ll see that people that say they block their EGR have much...

Yes. The ECU controls the vacuum solenoid which in turn controls the variable turbo to give optimum boost levels to allow EGR to flow. A conventional turbo can’t be controlled electrically, so the...

Dave,

If you’re prepared to spend some reasonable $$, say $1000 or more, consider a Wholesale Automatics valvebody. That will give you lock up in all gears, but If you’re on a tighter budget, at...

Don’t kid yourselves that Nissan fixed the problem on the later Di models. While we see lower numbers of 05 and 06 models with piston failures, there have been a few and we’ve seen a few cracked...

Hi Twisty,
The original Nissan DMatic is a clear hydraulic fluid which usually turns a honey colour after a while. If it smells burnt, it’s a good indication that the fluid has reached the end of...

It seems that the owners of Willow Springs aren’t going to renew their lease on The Bunkers Block, so Skytrek will most likely be re-directed away from the Loves Mine Range. I’m not sure when, but...

They don’t have a filter as such, just a fine gauze mesh that can be cleaned.
It sounds like you’re losing line pressure, which can be very difficult to find without recreating the symptom with a...

If it was a GQ, I would extend the lower arms because they don’t have much guard clearance, but on a GU definitely use adjustable upper arms. For a 3” lift, your upper arms will need to be about 20mm...