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Discussion Starter #141
404 error :ROFLMAO:

It's ok Skeg but thanks, seems to be ok now!
 
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Looks like one of the servers had a dummy spit. Luckily issues like that get a 1st level incident assigned so it get the attention of the server team and their management.

Sent from my SM-G930F using Tapatalk
 

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GUII ZD30DI Wgn
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Looks like one of the servers had a dummy spit. Luckily issues like that get a 1st level incident assigned so it get the attention of the server team and their management.

Sent from my SM-G930F using Tapatalk
It was a little deeper than that my friend, I spent hours yesterday back and forth communicating with Canada and other international forum admins on this and supplying pics of the issue from another source, but then again, what would I know, I'm just a mere mortal?
 

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Discussion Starter #144
Is the forum still funny? I have issues logging in the whole time...
 

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GUII ZD30DI Wgn
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Is the forum still funny? I have issues logging in the whole time...
There has been an anomaly tonight while an update was occurring and yes slowness is still a problem from time to time but it is being worked on. I've just got off the line to Canada about tonight's issue, seems to be up and running again now but it has been down for well over an hour with distinct slowness before.
Anyway welcome back I was only wondering where you were the other day, just realised that it has been two months since you last posted here.
 

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Discussion Starter #146 (Edited)
EDIT: (Hello GU2, yes i have missed the forum too just been very busy with all sorts of stuff and am building a few new sheds so it's all go.... i hope all is well bud with you!!) Greeting from sunny Ireland! lol

So i am working away with the Patrol everyday and it is going fantastic. Worked very hard everyday like every other Patrol i have owned and happy to say it Drives like new. No oil leaks, no issues what so ever thank god and great pull from that turbo.
However i did do some work on it. I done the front and rear panhard bushes and used polybush kit as there was a horrible banging at the rear of the Patrol and upon inspection i couldn't find where the banging was coming from so i bought two rear KYB shocks they cost me 130euros but i like to have that job done anyway because with the current ones having 150K's onboard it was worth changing them allthough the stock y61 shocks last and last and they rarely give bother but like i say no harm having those changed but WOW...a pig as usual to get the top bolts undone...you would need hands like a baby to reach up there!! LOL.... So the next thing was all new drop links at the rear and torsion bar D bushes changed. Again the bottom link on the elec stabi on the rear torsion bar was sloppy so i had to take that off to weld on a new ball link and WOW....AGAIN another real PITA to remove... we had it on the lift and spent two good hours to undo that top nut as it completly rounded!! In the end my vice grips was the only winner :p
While i had it on the lift i topped up all fluids in diffs and transmission and spotted that the front diff was almost empty :O thank god no harm done there so i was lucky to top that up on time. Gearbox and transfer case needed a top up too and i greased up all the drive shaft while i was at it.
I finally found the noise and it was the rear pan hard bar the bushes were completly gone crappy...so now it drives lovely with no noise after doing front and rear Panhards with a polybush kit.

I had another issue which i was lucky with too... when i got this Patrol i noticed that i had to reverse after switching from 4H to 2H and you should not have to do this but only when in the Low box range. So from the word go i thought that was odd but i lived with it until recently while driving in the snow the 4X4 was digging in too much on one wheel (Drivers side front) and once out of 4wd and on 2wd it was fine so again i found this strange... So i naturally thought it must be the locking hubbs and i had my fingers crossed it wasn't something in the transfer case cause that would be a bigger job.
Low and behold i got lucky again and once i took off the passenger side locking hub it had blown itself to bits... just sitting there in pieces. I did spot that it was not fitted right what so ever because the one on the drivers side once loosened popped out with a lot of force.

From my own thinking and the way i have always fitted the locking hubbs you need to be really careful and slot them in on the grooves really precise so that they mate up properly with the inner part of the hubb so the end result you should feel no resistance or 'spring' feel when snugged up and ready to be bolted back on...like i say they should mate up flush with no resistance and they must be put back on in the 'Auto' lock position with the Patrol out of the 4WD range.At least this is the way i have always done them and it has always worked great for me.The last load i took out before sorting this issue was horrible because the Patrol would not disengage from 4x4 and it was a pig to tow with on the dry road as you can imagine and the road was very hilly...i was glad to sort out this issue but no doubt the last owner must have been a Patrol Noob!!

I used some RTV also once refitting them back on to keep out any water ingress!! Happy days and my Patrol just had a nice service!! :)

Next plans is i have a friend who will give me the lift in the garage anytime...he has a tire fitting shop so i can use the lift when i want.So this summer i plan to clean down all the mid to rear of chassis and repaint it. After a thorough inspection of the chassis it is in VERY very good order so i am very pleased about that! The rest of the trailing arms and all other bushes are in top shape with no slop.

I do have to fit new king pin bearings this summer on the passenger side and a hub seal as it's slightly leaking once jacked up so that's on my -To do list also.

I have a lot of pics of various things to upload but must get them first from my phone to my PC.I will do here one of the days. Ohh and i seen something fairly profound recently.I have swapped over to 5w30 Castrol magnatek C3 fully syntetic oil and the oil level never drops anything. It is a little more expensive but worth it i think. I normally use the cheap 20euro a gallon semi syntetic 10w40 which is good too but needs to be topped up now and then only.So yes i am going to continue to use the better oil now it is 45euros i think a gallon but worth it if one never has to top it up worth talking about.

BTW... the funniest drive you will ever have in the Patrol and i have done it a few times...i took off the rear Pan hard bar and had to drive to get the bushes removed maybe 15kmh to a buddy...just wow that is a nerve wrecker of a drive without that bar!!!😂😂😂

On a more relevant note i am glad to hear the Ozzie bush fires have all been contained and under control and here right now we are in the middle of a snow storm!! It's a red alert weather for tonight. ;) Good to have the 4X4 for it i guess...
-Dan
 

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Discussion Starter #147
Above post edited to add lots of stuff i forgot and the above pics are just some customers houses where i deliver firewood. The pics high up with the snow is my own place.cheers all!Thank god for the Patrol living up there Eh!? :p
-Dan
 

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Discussion Starter #148 (Edited)
Hi all,

Ok so i am back with some updates. As i am on this Forum many many years i like to be as honest as possible so others can learn something too from me & inc myself on this forum because we are all learning everyday!!

So my drama has just started recently and to be honest it is not looking great but i am not one to 'jump the gun' and think the worst. I am now driving Patrols over 14years + and have seen most dramas with them along the way but for the most part they are one of the best vehicles i have ever owned and if looked after they are damn near bulletproof!!

So to get to the point, i was recently tracking the Patrols front axle and we had her up on the lift and i noticed an oil leak which made it's way to the lower sump and around the rear of the gearbox, i first thought it was the rear main seal but lucky for me it's coming from the upper engine so long story short i assume it's either the glow plug seals or intake manifold gasket because i can see oil running down behind the injection pump and sitting on the outer edges of the head gasket which is visable from outside the engine. Mmmm... it's not clear yet if this is a gasket leak or not but i need to investigate.

I spotted a very slight coolant leak too recently and i have been topping up with a liter of coolant per week.Now more worrying for me is my top expantion overflow tank has a little stream of bubbles in it...again a little strange.

So now i am in the process of figuring out this leak,my last patrol covered 580000K'S on first day motor and all towing and never had this sort of a leak, yes it had many coolant leaks but i always found them but i think this bubbles in the expantion tank thing is new to me..

Must get to work and find the issue...right now the leak is very slight but no outer visable coolant leak so far but i havn't checked thoroughly enough yet and by the way to accompany the bubbles i have a muddy substance on top of the radiator under the cap. My first thing to do is a chemical test to rule out any head gasket leak to check for combustion gases but i think the leak is too small for this issue but i could be wrong...the bubbles are really slight.
Here are a few things i think that could be causing this starting from the minor to the major.

  • Waterpump (But i doubt it given i have never changed one and the engine mileage is low)
  • Front timing case gasket that seals the water chamber could have failed because the IP was just done and they may have used liquid gasket there upon re-fitting
  • Possible cracked expantion tank or bad hose (But not sure this would cause bubbles)
  • Head gasket (Possible) + Cracked head
  • Cracked block (Highly unlikely)
As of now i am not worried much as the coolant loss is very slight and this Patrol was never overheated. Engine compression tested very good on recent tests when IP was done.

This is why i kept my last Patrol for so long because it was a good one and when you buy a Patrol used we really never know what we are getting and how it was minded but either way i plan to fix what ever issue is causing this because i just love this Patrol and it drives awesome and worked hard every day!

I will update folks ;) I guess stories could be worse if a man caught the Corona virus which seems to be rapidly out of control around the globe :rolleyes:
 

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GUII ZD30DI Wgn
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Are you sure the 'bubbles' are not simply flow reaction? Are you seeing lots of coolant being pushed into the plastic tank with the screw top cap? You can pressure test the system overnight, I've pumped 16psi into mine a few times over the years to test.
You would already know that if coolant is getting into the engine then look under oil filler cap and dipstick rubber seal for evidenc of 'cream'.
Re oil leaks, wash engine and monitor closely to see where they start, check the return to sump line at the back of the engine.
Good luck.
 

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Discussion Starter #150 (Edited)
HI Gu2,

This morning i had to put in a pint of coolant again.Now when i pull the cap off the expantion tank it's showing a small slow occasional small bubble, then as you watch they seem to get more frequent when you get it filled to the neck but could this be air trying to get out because of the already lost coolant from the leak where ever it is....?

The small bottom tank stays normal and showing no signs of excess coolant dumping in it. Seems to be the norm and it pulls coolant back in at night.
Strange thing is the expantion tank is never really empty even in the mornings but it just won't stay full..it seems to want to remain half full.

I think it could be somthing big but not yet sure and sure equal chance of it been something like a water pump too.

I was in touch with the Diesel specialists who was last at this Patrol and they said they will pressure test it and get to the bottom of it.
Maybe that is my next port of call only as usual i am up the walls with work and need the Patrol.
To add more confusion and food for thought to all this.I took this Patrol to the diesel specialists with a good perfect working Radiator and if you read back this thread they just contacted me and told me the rad was broken and it needed a new one LOL... how did they break it !? or what happened is beyond me.. but long story short they put in an aftermarket 'Nissens' Rad and the question now is this causing the issues... there are three exit points for small hoses on this aftermarket rad that were sealed and blocked off (Two on the bottom and one on top) for to use in this Patrol. None of them seems to be showing any signs of leaks but could it have a problem in it somewhere as it's not a genuine rad.

Dan
 

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Just to clarify what your seeing, the tank with the screw cap is where coolant expansion flows, so level in that will rise and fall, the level in the top plastic tank with the pressure cap should not rise or fall that much, as the system cools any fluid expansion that flowed into the lower tank should be sucked back, it is possible the thin hose between the two does not fully seal at the connections and consequenly air can be sucked back instead of coolant. Is that how your system is working. Note, it does happen that caps get mixed up.
 

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Discussion Starter #152 (Edited)
Hi Gu2,

So far i have tryed all the usual suspects and to be honest everything seems well. The weird thing is it goes down half way on the expantion tank during the day but in the morning it's 3/4 full.. today i done a lot of driving and it seemed not to go down much at all and i was towing heavy weight..Mmm weird!!

I however did change the expantion tank and all hoses as you were saying too GU2 and made sure the hoses were secured nicely. It didn't make any differnce and the old tank looked fine when i took it off.

So time will tell but for now i am going to drive on regardless and if i can i will get the 'Sniff' test done soon to determine if combustion gases are present in the cooling system. Right now it's not a big concern but if it starts getting worse then i might have to take sudden action.

Where i am caught is i need it for work and am still catching up with work after been without it for so long when it was getting the IP done. It's not about spending money on the Patrol and doing a head if needs be because it's not my problem how the last owner treated this vehicle and for sure no fault of the Patrols cause i know they are awesome after my last awesome run with the 2004 model which was towing every whole day of it's life and traveled around the country many times and never left me down it never left the road and is still going strong!!! Anyway like i said before early on this thread when i was fitting the IP i noticed the belt tensioner looked crappy so i changed that out at the time....so you see it's really impossible to know what life this vehicle had previous to me buying it.

All i can say is this is either going to turn out something small or something serious,in the coming weeks i will know.I always watch my Patrols with a close eye and notice any coolant loss almost straight away. The very worse case here is a head will have to be fitted.
I got a price today on a complete head (They need my own valves and refit them to the new head) and they regrind and reseat them in the process as this will be a bare head. So if i need to go down this avenue i have a head already that i can send them and they set up the new head then.
I spoke to the guy today in north ireland and they are the largest engine rebuilder/supplier in the country and he said they send a van to the local county once a week out on business so they can pick up my old head from me and i get the new head back once they have the valves swapped and the head all set up Quote for brand new head, gasket,new bolts and set up with my own valves 1000euros and that includes delivered to me!
Then labour here with an X Nissan mechanic and he is very reputable here and does only 4x4's everyday. The labour quote i got here from him was 900 euros!

So my worst case outcome here is to have to do the head at a cost of around 1900euros! To be honest that is not bad and if i had to go down that road i would be very pleased with that.

I am not going to jump the gun yet,like i say i am going to drive on and keep an eye on things. Hopefully an external leak will raise it's ugly head in the next few weeks and give a man something to work with.
Few things i plan to do first in the coming weeks is remove belt and check/inspect my water pump for play. Also i am thinking of removing the timing case but not sure yet as there is a gasket in there for the coolant and this sure would be worth a check along with the main top rad alloy tubes gasket above timing case...yeah it's probably not the cause but worth another check as it's not too much of a big deal to do.

I love my Patrol and these things are making crazy money here now... i picked this up at a bargain and i have got offers already as it is which i turned down. If needs be i will do the head but like i say i won't jump the gun yet.

If i wanted i could sell this Patrol as is and be driving a 15 reg Navara for what the Patrol would sell fot but they are no Patrols and will never measure up nor not near as heavy duty as the Troll... i just love my Patrol and know how bulletproof they are once right!

Dan
 
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Discussion Starter #153 (Edited)
Just said i'd give another update because even though a lot of people may not comment from time to time here i still know a high flow of traffic reads these threads. So i want to keep people up to speed.

Anyway, this is a VERY strange leak... after today my confidense has been restored a bit thank god!! I worked it very hard today and pulled home a very heavy load of ASH logs,the timber is freshly cut and is very heavy and down on top of that it was hard work in wet muddy fields in the low range. Aside from that i clocked up around 200k of road driving today also.

Long story short, it remains at half an expantion tank but does not go any lower...it's taking after all that work maybe a pint of coolant which yes sounds like a lot but if i don't top it up it don't really go any lower.... I'm starting to think now that i don't have a leak at all and is it the after market radiator keeping the coolant at a differnt level in the expantion tank... it looks like the rad sits a little lower but i can't say for sure... could it be something to do with the radiators capacity!?

Strange but after all the driving and hard work today it's positive ...and it is not going below half ways on the expantion tank! regardless of miles clocked up and i drove the crap out of it today and it was very windy.

Bottom line is the ZD30's EGR is cooled down by the coolant also and is next to impossible to locate and even check at the rear of the engine. From memory there are two or three rubber coolant hoses here and one long metal one wrapping around the rear of the engine and another for oil return from the head to the sump.
I wouldn't be surprised if i had a slight leak back here again as i got one before in my last Patrol and it was a PIG to access!!

The stranger thing is the bubbles in the coolant but i think if a leak happens air will replace it naturally so once air gets in the system it is going to be pumped around too.The bubbles i take notice of are when the expantion tank is filled up and the cap is removed the bubbles come to the top of the filler neck and leak out the tank.

I think i have a slight leak that i have not yet found or as i say something to do with this aftermarket radiator.

Your thoughts??

Dan

Strange indeed..
 
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Just a comment, I have drained and refilled many times over the years and each time, even though following the 'rules' it can take up to 2 months to fully settle, air pockets which need to work their way out are not uncommon. I check levels cold every morning for quite a while.
As mentioned earlier a pressure test overnight, preferably cold so expansion doesn't come intothe equation, will let you know, I've pumped 16psi into mine for up to 16 hours to test.
 

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Discussion Starter #155
Hi Gu2,

Yes i too seen that to happen after a coolant flush! However some good news,this morning i decided to do a full coolant flush and i topped up with premixed Coolant of a high quality. I flushed it out three times with clean water,just filling it and running engine for a while in between then flushing and repeat the process etc etc & then went for a drive maybe 30k and it needed three top ups when finally it stayed full!!

So today after doing the Coolant flush i went to work and bought home a trailer load of heavy logs,mostly uphill because where i live it on a big hill anyway very high point actually..BUT i am glad to report that the expantion tank for the first time in a while is staying full and very little been expelled even under hard load which is super!! :)

The strange thing is since i got it back from the diesel specialists it has not needed any top up and this just started recently so i think what happened is i was topping up with water and maybe there ended up too much water vs coolant ratio in the system so it was expanding faster because water has a much lower boiling point anyway...so it seems now with the system full of pure coolant it is full and staying this way ...so far so good!!!

I will keep an eye on it over the next few days, it's full now and i'm not going to touch it so i will see what it does in a few days of driving. I have a few long trips to make (Firewood log deliveries) so Fingers crossed !
 

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Great, hope it continues, I'd say you had air pockets in there before, easy to have happen.
 

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Discussion Starter #157
Hi Gu2,

Just said i would update here and i think you are on the right track!! As fast as this happened it has fixed itself..the coolant is staying to the top now in the expantion tank.
As planned since my last update i have worked it hard and drove towing with intentional hard driving under heavy load and for the few times i had to stop over the last two days in shops to get Diesel i had a quick peep and it seems to be spitting out little to nothing and sucks it back in once cooled,in fact it's the fullest i have ever seen the expantion tank LOL..

So all is good here but i am honestly not sure what happened only it seems that a full Coolant flush using a high quality Coolant was the answer! Strange i know...

My god it makes me wonder and i have said it here over the years many times how many Patrol drivers panic with a slight Coolant leak and jump the gun and how many crooked Mechanics take advantage of these situations.I know most Mechanics only want to offer honest help but you always have the few around waiting to pounce! I do all my own work now a days to my Patrol and it makes owning it a lot easier to be sure.

Next up i am after ordering a new adjustable Drag link from Uk but i honestly am not sure about it's quality, it looks the goods and prices very nice at just 90euros shipped to me. Both ends are fully adjustable with a nut/bolt mounted center bracket for the damper... it's heav duty with both ends fully greasable and can take a standard track rod end if needs be to replace either end.It is a china made product but reviews are very good and these are impossible to get now even in the Uk so i am going to try it. Only reason i am is because i can't track my own as neither end is adjustable.

Here is the link so remember it's Uk pounds which means more euros + shipping so all in inc paypal fees it was around 90euros shipped to me.. still better than the origonal one @over 250e !



On a side note here in Ireland the country is in 'lock down' as this Corona virus starts to spread. Hopefully we will fight this thing!! Lucky where i am in the south no cases around here yet but over 100cases in the country as of now.It may not sound much but it's spreading fast considering this time two weeks ago we only had 7cases!! :O

Dan
 

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@dan ahern Could you pm me your email address, I did a little vid on the top tank of mine that I was going to send you in a PM but for some reason I can't upload it, might be format but haven't had time to check that out.
Ross
 

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Discussion Starter #159
Hi Gu2,

Yes no problem. I actually seen your video on another thread where you posted it for another member with a similiar issue.
Remember i have the same, it looks like the flow coming in to the expantion tank is full of bubbles now this is normal because the water pump is pushing this around at a high rate and when it hits the expantion tank coming out of it's small hose (Coming from rad) it hits the expantion tank at a high rate and yes this is normal.
How ever what i thought looked odd to me was when i leave my expantion tank cap off the bubbles were coming upwards to exit which seemed odd but regardless this must be normal too and it must be the bubbles created by the rate of flow that is causing this so again i would assume totally normal.
My tanks are staying full now since the coolant change and no drop at all thank god!

I have lots of pics and vids on my phone because that's what i normally use but can't log in anymore with my phone so i just use my PC to log in here now and my PC remembers my log in details so i can't be bothered trying to log in again with my phone because for the life of me i can't remember my password LOL..

I must use my normal camera in future for pics here and not my phone.

Dan
 

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This very short vid is not online I only took this a few days ago in response to what you were seeing. For some strange reason it won't load to here???
 
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