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  #1  
Old 21-09-2012, 07:48 AM
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Exclamation ZD30DI TECHNICAL ARCHIVES FOR NEW AND OLD MEMBERS: Data/Mods/Maint/Gen Info.

Links within contain valuable information for ZD30 DI owners (and CRD owners) both new and old. Info will be added as it becomes available. Some threads have their roots in the main GU/GR section. This thread is to be read in conjunction with the archives in the General Patrol Discussion section. Please PM me if a link does not work or PM me if you think of a good inclusion

Geeyoutoo

NEWBIES NOTE

1. Please search for information before posting a question, this helps reduce repeat questions, a common problem. The most effective method of searching is to use the Google seach option on the top left hand corner of each page, the menu bar "search" is not very effective.

2. Help us help you by adding info about your vehicle, this can be done in your signature line, model, engine, etc. Your location can be put in the upper right hand corner where your post count is, this info helps us understand your situation a little better from a point of view of access to spares etc, without extra posts asking where you're from. To do all this go into User CP (upper left corner of any page in the menu bar) to access the above info input menu.

Read on, hope the system helps you.

Here's a place to start which explains NADS and the often misrepresents facts about the ZD30DI, what to look for and what to avoid.

NADS. So you have a ZD30 DI, here's "NADS" steps and logic with diagrams
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Old 23-04-2014, 12:12 PM
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Default ZD30DI Archives Upgrade Header Page.

This link, known as the ZD30 Bible, is a must read for all ZD30 owners: https://www.dropbox.com/s/zenfhl5dyw...olour.pdf?dl=0 The original links to the Bible (colour and black and white) are dead, this link is to my copy of the colour version which I uploaded to dropbox.com. This should be compulsory reading for all Patrol owners and particularly ZD30 owners starting out on this forum.

The Bible, Thread The thread

This link is also very handy:

http://www.patrol4x4.com/forum/nissa...ifications-66/ Post 1-6.

INDEX
Post 3. NADS
Post 4. Manuals and Papers Bosch VP4
Post 5. Manuals and Papers Garret VNT (GT2052V)
Post 6. Manuals and Papers Transmission
Post 7. Manuals and Papers Engine
Post 8. Manuals and Papers Electrical
Post 9. Manuals and Papers General
Post 10. Modification Threads
Post 11. Maintenance Threads
Post 12. Gen Inf Threads - Polls & Surveys
Post 13. Gen Inf Threads - Engine / Trans / Hardware
Post 14. Gen Inf Threads - Electrical / Electrical Components
Post 15. Gen Inf Threads - Steering / Suspension
Post 16. Gen Inf Threads - Entertainment / Navigation
Post 17. Gen Inf Threads - Spares / Suppliers
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  #3  
Old 23-04-2014, 01:12 PM
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Default Post 3 NADS

Post 3. NADS
NADS. So you have a ZD30 DI, here's "NADS" steps and logic with diagrams
NADS stands for "Nissan Anti Detonation System" This was developed by many learned guy's on the forum to combat the issues with the early ZD30 DI's. The first post is a brief description of NADS, the logic behind doing them in a series of steps and the reasons for the modifications, also a notation on heads. Not a "how to" as that info is available on the forum in volumes with a search, a good deal of it on this page. Once you have finished NADS you should be able to qualify for this ZD30 Heat Shield Removal Laceration Club

NADS Step by Step guide to doing NADS mods by Dronus.

Dawes Valve Dismantle and Adjustment - YouTube

http://www.patrol4x4.com/forum/zd30-...d-limp-184298/ At the start of each winter we get questions about intermittent limp, it's called cold limp.

Dawes-Devices 3 Bar Racing, The original Dawes, needle valves and multi stage boost controllers etc.

Dawes Spring + Optional HD spring install Steps Info about and Instructions for fitting and setting up the optional HD spring to a Dawes valve.

DV-06: HYDAC Optional needle valve for Dawes installation.

Exhaust Gas Recirculation (EGR), NOx and particulate measurement | Cambustion A brief look at the EGR system for new members, EGR articles always espouse that the EGR valve contributes to cooler combustion temperatures, my experience was the opposite, my EGT dropped by more than 25c after my EGR blocked itself, go figure.

Nissan Patrol ZD30 Engine Problems

What Makes a Grenade a Grenade


Manual Boost Control Set Up Options Post 27 has a brilliant description by whitie of VNT/Needle setup reasons.
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  #4  
Old 23-04-2014, 01:59 PM
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Default Post 4. MANUALS & PAPERS BOSCH VP4

Post 4. Manuals and Papers Bosch VP4

VP44 Electronic Inj Pump VP44 Injector pump similar to the type used on the ZD30 DI. There is not a lot of info on the web about our 4 cyl version but there is a lot of info re the US 6 cyl version. Lift pumps were a common addition to some US trucks around 2000, due to extra load, which didn't have them as standard, a lift pump does wonders for ours as well, giving a good boost to low end torque. Look in "Modifications"

BOSCH VP44 INJECTION PUMP AND LIFT PUMP FAILURES EXPLAINED - Diesel Bombers VP44 thread from a US Diesel Bombers Forum with some interesting points.

VP44 Diagnostic Another US VP44 article with a number of tests, codes are obviously different to ours.

Injector Pump (Bosch VP44) Calibration Local comment on VP44 calibration, what can and can't be done.

EDC Removal Instructions - Bosch VP44 - YouTube For the more adventurous.......

Lift Pump Help Mainly about effects of lift pump on VP44 cooling, the pressures spoken of are higher than I would like but they seem to have no adverse effect. US 6cyl VP44, basically the same pump with 2 extra rotor points and outlets, same electronics.

Longer Life For VP44 More on lift pumps.


VP44 Service Manual-1.pdf
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Old 23-04-2014, 02:05 PM
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Default Post 5. MANUALS & PAPERS Garret VNT (GT2052V)

Post 5. Manuals and Papers Garret VNT (GT2052V)

Garrett | FAQ Garret page with some good base info.

VNT15-Turbo Not the same turbo we use but similar, an interesting read of the strip down and how it works for the uninitiated and new members. There is an interesting animation of the NGV/VNT operation at the end.

Garret Statement

Garret Non Repair Bulletin Garret VNT bulletins, read and make of this what you will.


Turbocharger, VNT, and diesel turbo FAQ | VW TDI forum, Audi, Porsche, and Chevy Cruze diesel forum Interesting general VNT turbo info.

ZD30DI VNT Aircooled Turbo Teardown I got hold of a damaged turbo and stripped it.
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Old 23-04-2014, 02:23 PM
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Default Post 6. MANUALS & PAPERS - TRANSMISSION

Post 6. Manuals and Papers - Transmission

http://nissan4u.com/parts/patrol_gr/...2/power_train/ GU power train.

A bit of info on LSD's for the uninitiated, there are many types, Eaton just seem to have the most information out there and for my money (if I had that much) the E Locker would be my choice of weapon, excellent diff but expensive.

Detroit Locker - YouTube

Lock Right Locker - Part 1: How it works [HD] - YouTube

Exploded View - Inside the Eaton TrueTrac Differential - YouTube

Exploded View - Inside the Eaton Suretrac Differential - YouTube

How Eaton's E-Locker Technology Works - YouTube

Airlocker operation - YouTube

Ashcroft Air Locker - YouTube

Also found this helpful item on fitting an LSD to the front of your GU yourself:
How to fit a diff locker in a GU Patrol - YouTube
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Old 23-04-2014, 02:31 PM
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Default Post 7. MANUALS & PAPERS - ENGINE

Post 7. Manuals and Papers Engine

Injector replacement on a Nissan Patrol Y61 3.0l

Low Water Alarm Sensor Save your engine when sudden coolant loss occurs.
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Old 23-04-2014, 02:51 PM
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Default Post 8. MANUALS & PAPERS - ELECTRICAL

Post 8. Manuals and Papers Electrical

diagnostic description ZD30DDTi.xps ECU Diagnostic

Electronic Service Manual Y61 zip

Understanding Relays (PDF)

Relay FAQ

ECUTalk - Consult LCD Display

Amps and Wire Gauge - 12V Circuit

Wire Gauge Explained.pdf

Nissan Fault Codes
Over 400 pages of them........
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  #9  
Old 23-04-2014, 03:01 PM
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Default Post 9. MANUALS & PAPERS - GENERAL

Post 9. Manuals and Papers General


GU Manual 1 username: nissan, password: patrol

Patrol Parts Manual LHD/RHD 1987/2007

MAF Sensor Tech Data

How a MAF works

ECUTalk Userguide.pdf

Coolant Fundamentals

How a Cooling System Works

http://www.penriteoil.com.au/tech_pd...%20DOT%204.pdf The difference between DOT3 DOT4 and SUPERDOT4 brake fluid

Diesel Smoke Explained

Diesel Smoke Explained 2

Discussion Papers on Diesels. Thermoguard

Diesel Lambda sensors for common rail systems Base general info on injection for diesels.

Off-Road Driving Basics | The Art of Manliness Even though it is written by a Toyota Guy and I don't necessarily agree with everything, it is still an interesting basic read for people new to the game.

Barbed Hose Fitting Chart For those special projects.


Decibel - Wikipedia, the free encyclopedia Understanding the decibel range for those straight through exhausts .

http://www.ntc.gov.au/filemedia/Repo...stSept2006.pdf Testing method.

http://www.penriteoil.com.au/tech_pd...%20DOT%204.pdf Info from Penrite on Dot3, 4 and Super Dot4 brake fluid.

Vehicle Standard (Australian Design Rule 13/00 – Installation of Lighting and Light Signalling Devices on other than L-Group Vehicles) 2005 Amendment 4
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  #10  
Old 23-04-2014, 03:11 PM
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Default Post 10. MODIFICATION THREADS

Post 10. Modification Threads


Jaycar Digital MAF Voltage Modifier + TurboSmart Fuel Cut Defender (FCD2) Different methods of controlling multiple and singular MAF limp modes

https://www.youtube.com/watch?v=Iz84So-G_sA JayCar MAF v Modifier adjustment tips video.

Water Injection for Diesels + Water Meth Injection on a ZD30, what results?

Fuel Temperature Including fitting of coolers and technical data.

ECUTalk + ECUTalk Instal (click on each pic) Best money you will spend (see post #9 for ECUTalk User Manual).

http://www.patrol4x4.com/forum/nissa...diesels-49013/ An old thread but has good info on updates.

Cross Country Intercooler Install ZD30

Provent Drain Automated

Dawes Valve Setup Options

Dawes Valve Dismantle and Adjustment Video

Dual Dawes with Needle Valve Setup Video

Adjusting VNT Grubscrew (click on each pic)

Carter 4600HP Lift Pump Install[/COLOR] Includes spill line mod and complete parts list.

Auto Trans TC Lockup Switch + Line Pressure Solenoid Dropping Resistor

Engine Temperature Sender, Aftermarket

High flow MAF sensor housing and Airbox upgrade

Elocker Install, GU Front

Hubs, Converting Auto to Manual

Ideas for location for relays and fuse blocks

Exhaust Heat Shield Removal Problem (tongue in cheek)

http://www.patrol4x4.com/forum/nissa...deas-gu-45169/ Water tank Ideas for a GU

http://www.patrol4x4.com/forum/nissa...-tricks-54845/ Interesting tips on Flares and cleaning mud from behind them.

Aftermarket Cruise Control with OEM SW switches panel Good write up on Cruise Install.
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Last edited by geeyoutoo; 21-06-2017 at 12:23 PM. Reason: updating info
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  #11  
Old 23-04-2014, 04:01 PM
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Default Post 11. MAINTENANCE THREADS

Post 11. Maintenance Threads

Why All The Talk Of MAF Cleaning ?

3.0l fuel filter change Don't forget the small "O" ring under the fuel filter housing.

ZD30 oils and coolant guide A survey of our members on oils and coolants.

Saving your ZD30 Tensioner from Failure A common failure when a lot of mud is played in. (Just ask Deccers).

Belt tensioner ZD30 - strip and lube NOTE* Considerable care needed when disassembling, contents under load from a heavy spring, injury may result from careless handling.

http://www.patrol4x4.com/forum/nissa...drawing-14892/ this one has a drawing to make a new bush.

MAF Cleaning Important part of maintenance on a ZD30, many of us clean the MAF at each 10,000 service interval.

Coolant change. Coolant change has lead to significant problems for some of our members, this gives some ideas and outlines danger areas.

How much oil required for ZD30 "with or without fillter Change Straw poll General discussion on oil changes, how much is used, circumstances when draining, brand and weights, change intervals for different modifications, good enlightening read in addition to the "Oils ain't Oils" thread.

ZD30 exhaust manifold gasket removal Good advice re manifold gasket replacement.

Body mount question. Could be some traps in doing this job, worth reading.

Body Mount DIY A second body mount thread from DIY.

http://www.patrol4x4.com/forum/nissa...ustment-22179/

GU Changing Thermostat (ZD30)

http://www.patrol4x4.com/forum/nissa...er-core-85425/
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Old 23-04-2014, 04:25 PM
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Default Post 12. GEN INF THREADS - POLLS AND SURVEYS

Post 12. Gen Inf Threads - Polls and Surveys

EGT Survey ZD30DI (Part 2) See first 3 posts. Summary of the old Survey, Auto's (post #1), Manual's (post #2), Data Template (post #3). From the summaries you will not only find what EGT to expect from your DI with different modifications and transmissions, but you can also find the most popular gauges, exhaust systems (brand and size), egt probe mounting position etc, etc.

ICV% Survey (ECUTalk) Data on VP44 possible relationship to pump life and efficiency.

How many K's has your ZD30 DI done? if rebuilt when did it blow? add 2nd round of K's A WIP survey of K's on DI engines.

What life did you get from your Alternator An ongoing poll on alternator failures.

Bosch VP44 IP, how long do they last on average? Ongoing poll re the lifespan of the ZD30 DI Bosch VP44 Injector pump

ZD30 Grenade, Definitive Blowup Poll An ongoing poll on ZD30 engine failures.

Solid Flywheels and ZD30 engines An ongoing poll on DMF v Solid Flywheels.

ZD30 Original Clutch Life As the title suggests.

preferred diesel Fuels. BP Ultimate Diesel/ULP a bit more info on BP ultimate.

Coolant Temperature Survey Survey of coolant temps across the board.

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Old 23-04-2014, 04:29 PM
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Default Post 13. GEN INF THREADS - ENGINE / TRANSMISSION / HARDWARE

Post 13. Gen Inf Threads - Engine, Transmission, Hardware

Towing in 5th Gear Discussion on 5th gear failure with pre 2002 GU's (Nissan modified the box in 2002) which is quite common, particularly when used for towing, post #41 has some good pics that visually explain the reason.

GU 5th Gear Failure

How synchro rings work First post has an interesting vid on how synchros work if you don't know.

GU Small Diff/LSD Syndrome. Diff info, how to read what you have.

Hubs (Converting AUTO's to manual)

Sump plug thread? A little confusing at first, but the sizes of both sump and diff/gearbox plugs are contained within.

ZD30 Air Filter - which way up? Eternal debate about which way the air filter is fitted, in short... Lip Seal Down, reasons contained within.

Oils aint Oils An in depth look at engine oils, very good info, if you take the time to read the thread, like a lot of threads good info can be buried in the banter.

ZD30 oils and coolant guide Bit of an oil and coolant guide based on peer info.

Inside the ZD30 If you have never seen inside a ZD30 you can here, some good info.

My zd30 rebuild... A new members rebuild with lots of good informative pics, well worth the read.

Bosch VP44 ICV%, what does it actually realy mean?

Issue with VP44 Injection Pump General info on a Bosch VP44 fuel pump problem.

Help - another overboosting problem A lengthy read on how a small limp issue developed into a humungous exercise, the data collected along the way is well worth catching up with. Page 9 is where it starts to come together. Info includes common issues with VNT vacuum & adjustment, MAF voltages, boost readings and stock vs modified characteristics.

head gasket One members experience with what turned out to be a cracked head and gasket failure.

Result of EGR mix with breather oil in ports Discussion on gunk that forms in the throttle body etc and moves onto things like sump levels, dipstick part numbers and lengths, good info with international input.

2 stroke oil in your diesel fuel A long and winding thread.

Engine Warm Up Discussion on practices.

Intercoolers, the Pros and Cons of various brands. As the title suggests.

ECUTalk ICV % ??? One member chasing an issue with VP44 low Idle Control Valve %. Followed up by a survey of members experience, see Surveys and Polls.

Water cooled V non watercooled Turbo? Air/Water cooled turbo, Nizzbits contributes on changes.

Changing out a Water Cooled ZD30 Turbo? A Simple Guide And Some Tips

Protecting against Poor Fuel Quality in remote areas. Interesting thread relating to recent topical bad fuel and ways to beat it, I have a Mr Funnel and it is great, if you buy the big one and add an extra section of hose or chop up an old concertina funnel you can fill straight from the pump.

The CORRECT way to Calibrate your speedo

K&N Air Filters

Gearbox oil synthetic GL4 or GL5 answered.

Video on tailshaft angles and vibration. See post #1.

http://www.patrol4x4.com/forum/nissa...al-zd30-59834/

Oil dipstick problem, crimped end fell off.

ZD30 Additional Fuel Filter Options Detailed info on optional extra fuel filtration.

ZD30 Additional Fuel Filter Options Adjusting ZD30 idle, read post#10

ZD Rebuild can we make it better, stronger, faster

ZD30 Engine lifting points and attachment
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Last edited by geeyoutoo; 18-05-2017 at 04:05 PM.
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  #14  
Old 23-04-2014, 04:32 PM
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Default Post 14. GEN INF THREADS - ELECTRICAL / ELECTRICAL COMPONENTS

Post 14. Gen Inf Threads - Electrical & Electrical Components

Strange Dash Warning Light Behaviour Dash Light problems.

GU boost gauge power Wiring into dimmer

Fuse problem HELP!!! Engine control fuse, what it actually controls and the final result.

Zd30 ecu pinouts list of pinout numbers and locations.

ZD30 starts difficult One of our European members had a cold start issue, some good information on glow plug relay fuse near the end.

Possible MAF mod A different approach to a limp problem, well worth the read.

How do I Install a Crank Angle Sensor


Glow plugs - why the missing tips ????? Strategies for enhancing glow plug and possibly engine life.

ZD30DI Glow Plug Timer. Kemo 113A later model wiring A problem was noted with later Kemo units and researched, solutions in here.

Earth Strap - Hallelujah Praise the Forum...1 This is well covered in the bible, which should be compulsory reading for any zd30 owner.

ECUTalk - Consult LCD Display

Labelling Wiring Harness Ideas

Relay and Fuse Block location Ideas

Airbag Light Reset Procedure Door switch referred to in the fix is the switch in the door jam that operates the interior light.

ZD30 Alternators, same between all models?

Sub tank light always "on"

Eng shutting down and high idle

TPS. Electronic Accelerator Pedal Cleaning Guide?

How to test all MAF's at home

My Patrol ECU Talk Mod

problem with my Drivers windows when cold
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My Dawes valve works fine! Where did I go wrong? .

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Last edited by geeyoutoo; 18-05-2017 at 04:00 PM.
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Old 23-04-2014, 04:35 PM
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Default Post 15. GEN INF THREADS - STEERING / SUSPENSION / BRAKES

Post 15. Gen Inf Threads - Steering, Suspension and Brakes

Death Wobbles Fixed! There are many threads on wheel wobble if you search but this one is quite good and the guy gives a good write up in the first post.

http://www.patrol4x4.com/forum/nissa...wobble-187650/ Another with a short explanation which doesn't require a lot of digging, it's all in the first post.

http://www.patrol4x4.com/forum/nissa...e-help-178986/ Another wobbles thread but a little different info with added links.

http://www.patrol4x4.com/forum/nissa...racking-40838/ Cracked rear spring tower thoughts and solutions.

http://www.patrol4x4.com/forum/nissa...8/#post2528561 Also model changes in GU steel wheels.

GU Changing Brake Rotors Step by Step

https://www.youtube.com/watch?v=J29_7ely2Ys Helpful vid on disc removal, GQ but that's OK.
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My Dawes valve works fine! Where did I go wrong? .

Domestic Violence Has No Excuse, Rugby League Players Are Not Above The Law.


Last edited by geeyoutoo; 13-01-2015 at 06:49 AM.
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Old 23-04-2014, 04:39 PM
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Default Post 16. GEN INF THREADS - ENTERTAINMENT / NAVIGATION

Post 16. Gen Inf Threads - Entertainment / Navigation

Off-Road Navigation A good read on most aspects.
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My Dawes valve works fine! Where did I go wrong? .

Domestic Violence Has No Excuse, Rugby League Players Are Not Above The Law.


Last edited by geeyoutoo; 22-06-2014 at 11:53 AM.
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Old 03-05-2014, 09:15 AM
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Default Post 17. GENERAL INF THREADS - SPARES / SUPPLIERS

Post 17. Gen Inf Threads - Spares / Suppliers

Trusted Parts Suppliers - Add your Recommendations
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My Dawes valve works fine! Where did I go wrong? .

Domestic Violence Has No Excuse, Rugby League Players Are Not Above The Law.


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