Jackaroo diesel

Submitted: Monday, Feb 28, 2005 at 16:06
ThreadID: 20851 Views:3594 Replies:4 FollowUps:9
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If you have some time I have a tale to tell below which breaks down to 2 questions,

I have been driving the 4XJ1 turbo diesel for work since it arrived in the 1998 model Jackaroo. A few months ago we decided to buy one ourselfs and ended up with a 2000 model with 94,000kms on the clock. before we brought the dealer gave it to us for the weekend, did a 100+ km, towed our camper trailer and the car behaved perfectly so we brought it. The car had been serviced by the book except for the 90,000km service (4000km late) which was completed as condition of the sale. Now things get interesting.

2 days after buying the car we pulled out of the driveway and for the next 300m plumes (or clouds) of black smoke filled the view from the rear vision mirror and then it slowly reduced but still visibly blowing smoke. Rang the dealer and took the car back to the mechanic. Checked the obvious of the wrong oil but he swears in put 10w-30 oil and certainly the oil was nice and thin even when cold. The mechanic pleads compression engine ignorance so the dealer takes it to a diesel specialist. They say it blows a bit smoke, normal for diesels and the car is alright. Not completely convinced as the work jackaroos don't blow smoke like that.

Now the car starts to surge (very gently but enough for your head move backwards into the head rest) when below 2000rpm and the car is not under load. So when you are coasting in traffic in 4th at 60km or in 1st hunting for car parks at the shopping centre. UNfortunately this symptom is variable so it is hard to convince a mechanic of it. The surging problem continues to get worse and it is now time for 100,000km service. I tell my tale to holden (lots of blank looks) and when I pick the car up they say nothing is wrong. I'm dissappointed but as I drive home, other than a few surges when I leave the car park the car drives smoothly at all revs and the amount of black smoke is less, only really noticable when you accelerate hard.

Question1 Changing the oil is a miracle cure, can this be so?

Now, 1000km after the service the surging problem is still cured but the black smoke is returning even when you accelerate gently and now we get a lot of white smoke though this lessens as the car warms up. The only thing we have changed is to isolate the 2nd battery (& change it to deep cycle one) from the cranking battery to increase the power we have for running the camper trailer. The car certainly ran worse immediately after this but has since improved a little (less white smoke but still the black stuff as described above). I have taken the car back to the auto electrician and the electrics are good, not connected to any sensors and properly earthed so it shouldn't interfere with the car computor. The one thing that did happen was the battery was disconnected so the computer was without power for an hour or so.

Question 2 Could this be the cause of the return of the smoke (or just coincidence).

Sorry about the length of the tale and any advice would be very welcome


PS Any idea where I can find a diesel mechanic in the ACT area? I think holden are good at spark ignition engines but those compression ones are a bit of a m
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Reply By: Member - Bradley- Monday, Feb 28, 2005 at 17:44

Monday, Feb 28, 2005 at 17:44
dont forget it takes at least 3 oil changes to flush the 'wrong' oil out of the whole system, because of the shared circuit, Get the right oil - Mobil Delvac 1 and run it through a few changes along with both filters first before looking elsewhere.
AnswerID: 100533

Follow Up By: 2scout - Tuesday, Mar 01, 2005 at 16:19

Tuesday, Mar 01, 2005 at 16:19
Hi Bradley
thats our next step, we have done 1000km since the last oil change and are about to change the oil again and both the filters. Holden even suggested to use an oil cleaning additive to help remove any crap floating around in there. We are currently using Mobil Super S XHP but I should probably move onto the fully synthetic oil.


FollowupID: 358831

Follow Up By: Member - Bradley- Tuesday, Mar 01, 2005 at 22:57

Tuesday, Mar 01, 2005 at 22:57
Dont use a flush, it will sit in there for ages, just use the right oil. the correct spec for yours is a ch grade which is a fairly high detergent oil which will clean it up as you go.

super s xhp in a 10w40 is too thick especially in cold areas, and is only a basic mineral oil in a cf grade. Get the Delvac 1 in 20 litre drums and get it in there.

If it drove great at test, then they serviced it and bingo its shiza, then my money is definetly on the wrong oil being put in, which is a hell of a pain as it takes 3 changes to fix it. Not cheap.

The injectors in these are an electo / hydraulic actuation and the right oil is critical to proper operation and starting.
FollowupID: 358876

Follow Up By: 2scout - Wednesday, Mar 02, 2005 at 12:56

Wednesday, Mar 02, 2005 at 12:56
have been searching for Mobil oils and can get the following locally;

mobil delvac 1, 5W-40 ($224.5/20L) or mobil 1, 10W-30 (242.10/20L).

Which oil do you use? Can you get a 5W-30 synthetic oil so the oil stays thin even at operating temp?

FollowupID: 358920

Follow Up By: Member - Bradley- Friday, Mar 04, 2005 at 00:09

Friday, Mar 04, 2005 at 00:09
Stick with the 5w40, synthetics are excellent at staying in grade and thermal stability, oils will always stay thin at operating temps so dont worry there. The Delvac 1 is the go, glennos uses it down in tassie in his without drama. If anyone releases a 0w30 with the right compression grade in the future get onto it, it will start and run even better.

Cheers champ.
FollowupID: 359082

Reply By: D-Jack - Monday, Feb 28, 2005 at 17:54

Monday, Feb 28, 2005 at 17:54
When oil gets through the injector seals which should have been replaced under recall because they were inferior, it can cause uncontrolled accelleration. May be the car is in its primary stage. I would be very concerned about driving it from a safety point of view. Check the recall has been done, bring this to the attention of the dealer or diesel mechanic and get them to check it. Is still under warranty, make sure you get stuck into it and let them know that less than perfect performance is unacceptable as it wasnt doing it when you test drove it. Good luck.
AnswerID: 100536

Follow Up By: 2scout - Tuesday, Mar 01, 2005 at 16:21

Tuesday, Mar 01, 2005 at 16:21
Fortunately D-jack the car was outside the recall period which ended in Nov 3rd 1999, our car was built in January 2000.


FollowupID: 358833

Reply By: Tim - Monday, Feb 28, 2005 at 17:55

Monday, Feb 28, 2005 at 17:55
Firstly with the oil, can't help you.
As far as the surging goes, I always put it down in my car to when the throttle was nearly fully off, the computer kicked into idle mode, if you try to keep it just above idle, the computer is constantly kicking in and out of idle hence the surging.
Had a jack for 18months (99TD) and had these problems, got sick of it got rid of it.
AnswerID: 100537

Follow Up By: 2scout - Tuesday, Mar 01, 2005 at 16:27

Tuesday, Mar 01, 2005 at 16:27
Luckily for us the surging was fixed with the new oil, at least for the last 1000km so we will stick with the car for a while yet. I've had too many good experiences driving them at work (10 different cars with 100,000km+ with me in the cars) to turn and run just yet.

I'll stick to wine therapy for the moment, very relaxing.

FollowupID: 358834

Reply By: Member - Karl - Tuesday, Mar 01, 2005 at 16:52

Tuesday, Mar 01, 2005 at 16:52
As far as I know black smoke in a diesel is unburnt fuel - not the oil, therefor you may have a problem with your injectors and fuel system.

Grey smoke in a TD usually means there is a problem with your turbo.

Try Nash Four Wheel Drive if I remember correctly they are out Belconin way, or you could try that place north of Canberra in the Sthn Highlands that starts with 'B' and ends with 'A'.
AnswerID: 100695

Follow Up By: 2scout - Wednesday, Mar 02, 2005 at 13:00

Wednesday, Mar 02, 2005 at 13:00
I've heard of Nash 4wd so I'll give them a call. I have already spoken to B*****a diesel and they weren't interested in looking at the Jackaroo, told me to go to Holden.

FollowupID: 358921

Follow Up By: Member - Karl - Thursday, Mar 03, 2005 at 09:49

Thursday, Mar 03, 2005 at 09:49
2scout, I forgot to mention that there is aslo Monaro Off Rd in Queanbeyan. When I lived in the area I belonged to one of the local 4WD Clubs and a lot of the members reccomended them as well.
FollowupID: 359002

Follow Up By: Member - Jeff M (WA) - Thursday, Mar 03, 2005 at 15:47

Thursday, Mar 03, 2005 at 15:47
"As far as I know black smoke in a diesel is unburnt fuel - not the oil, therefor you may have a problem with your injectors and fuel system"

Either that or it's a Toyota... ;-) LOL

FollowupID: 359031

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