Daf TRUCK mx 11 engine fuel leak off test and fuel pump camshaft

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Күн бұрын

Daf TRUCK paccar mx 11 engine fuel system leak off test due to fault codes p9004 and p228d. After carrying out a leak off test on the injectors the fuel return were in specification so tests were carried out on the unit pump injectors which identified no effort on one pump unit. fault traced to camshaft and follower which required replacement.
#DAF #FUEL #INJECTOR
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Пікірлер: 40

@norb0254 Жыл бұрын

Apart from a recall on the pump unit cam of the MX11 when it was first released ,i have only saw one failure like you have ...I Am currently doing 1 MX 13 cam a week at the moment ,i can't keep up with them.luckily i have the offical cam reamer for the exhaust on the 13 ,well it was for the MX .And with the one you have we got an adjustable reamer just to tidy it up...Couldn't tell you the last time i didn't have a lock bolt break....I detest fuel faults after 2 mins you reef of fuel for the day ..Keep up the good work

@TRUCKTECHUK Жыл бұрын

Same here. It was a very odd but if I had not isolated the pumping units individually identifying the fault would of had me going round for hours. I don't have a adjustable reamer unfortunately but I do have a motorbike cylinder honing tool that fits 😂 Seems we both get all the good jobs 👌

@norb0254 Жыл бұрын

@@TRUCKTECHUK I think there is a bulletin about it if my minds serves me correctly..Got a nice wee skive at ZF ...My phone is full of cams ,Every bolt on the gears gets toqued paint penned and photographed ,so when i have that moment of doubt after putting the bellhousing on i ,can just look at the photos..Honing tool is a good idea actually

@TRUCKTECHUK Жыл бұрын

@@norb0254 I'd LOVE to go to ZF!!!! I'm so annoyed with the LACK of information on repairing these Traxon gearboxes and the fact were now having the new Traxon 8 speed auto for LF and XD means someone needs to let me fix them 😂 I've a trip to DAF Monday for the LF EV electrical course.

@norb0254 Жыл бұрын

@@TRUCKTECHUK Your welcome to the EV ..I did the hybrid many moons ago ..that wad enough for me lol...They where saying all gearbox courses are now at ZF ..Don't think there are the instructors or the room to do the practical in house...Never knew about the new 6speed .must ask

@giovannicaudullo817 5 ай бұрын

Hi i follow the channel congratulations for the videos i had a question to ask you DAF xf year 2017 error code p0093the pressure on the rail remains on 300 bar can you give me some advice ?

@davidkwabena1151 Жыл бұрын

Good one

@TRUCKTECHUK Жыл бұрын

Hey thanks for the comment and thank you for watching the video ☺️👌

@CosgroveNotts 8 ай бұрын

Good lad there

@TRUCKTECHUK 8 ай бұрын

Thanks for the comment 👌 😎

@matengat 4 ай бұрын

Thanks for the video. How much return are we to expect from the common rail relief valve during idling?

@TRUCKTECHUK 4 ай бұрын

Hey, thanks for the comment. The less the better! I replace the valve if it is leaking during a leak-off test

@BurnedOutGarage 10 ай бұрын

Nice one Russel, great video once again. Not much info out there on MX11s so its a good thing that you have posted some content about the issues that they have and the work through. I have been working on one in a Tipper/grab 8 wheel and its needed some work thats for sure. Anything from fuel system, coolant problems adblue pump failing etc. Recently the gearbox has been rebuilt, clutch replaced also. It is certainly becoming triggers broom. Im doing most of my diag on one with autocomm which isnt ideal. Hoping to get a Jaltest as I take more work on. Do you have any figures for the leak off rates that you have shown in the video? Say so many mL per minute or such? Naturally its probably a case of a couple of f***** injectors probably fill those cans pretty quick? However I reckon paccar/DAF would have put a figure on it?

@TRUCKTECHUK 10 ай бұрын

Hey buddy thanks for the comment again. Bit of an old video and I will most probably do a more in-depth leak-off video with my high-pressure fuel injection leak-off kit I've made soon. The truck has to be put into the leak-off test on the scan tool for maximum correction value doing it on say idle or even 1000rpm won't produce the fuel pressure that it makes when in leak off. tools like jaltest or topdon tell you if it's good or bad when you input the figure in ML. If you want jaltest head over to www.trucktechuk.com/jaltest and fill in your details for a price.

@FarruxDavronov90 8 ай бұрын

@@TRUCKTECHUK Здравствуйте. Я из Узбекистана. Смотрю все ваши видео. Больше спасибо. У меня есть вопрос. У меня Даф хф 106 2017 год выпуска. Вин номер XLRASH4300G176011. Проблема есть звук в раёне где стоит эти два насосы. На мх13 моторе такой короткий распределение вал?

@TRUCKTECHUK 8 ай бұрын

@@FarruxDavronov90 привет, спасибо за просмотр. Кулачки распредвала топливного насоса mx-13 находятся на главном распредвале и доставляют большие проблемы. если у вас слышен звук бензонасоса, я бы снял и проверил ВСЕ 😢 надеюсь, это нормально переведено 👍

@FarruxDavronov90 8 ай бұрын

@@TRUCKTECHUK спасибо большое вам.

@preslavvasilev7387 Жыл бұрын

On several mx-13 I have only 3 bars on low pressure fuel side. Changed fuel strainer, filter and tandem pump without much success. Fuel line from tank is not blocked. Next is fuel feed valve isnt it?

@TRUCKTECHUK Жыл бұрын

When you say 3 bar on the low pressure side have you physically measured this with a gauge or are you going off your live data. Do you have any fault codes present for this issue such as low fuel pressure

@preslavvasilev7387 Жыл бұрын

@@TRUCKTECHUK Its live data. Only found p3836 (dosing valve - leakage detected). Also check intake module and the line to dosing valve. Tomorrow it is hitting the road..

@TRUCKTECHUK Жыл бұрын

@@preslavvasilev7387 have you removed the fuel dosing valve and ran a check leakage from the fuel dosing valve test? Cant really see where else it would be going, you would think you would have a external leakage that side of the fuel system to get that fault.

@BBS_Robski Жыл бұрын

is that 2500 bar not 25000 bar ?

@TRUCKTECHUK Жыл бұрын

Sorry rail pressure raise to 2500 bar [36260 PSI] 🤣 thank you. That's what I get for doing the voice over last night 🫣

@TRUCKTECHUK Жыл бұрын

Can you imagine 25000 bar! Think of the atomisation 😂😂😂👌

@BBS_Robski Жыл бұрын

@@TRUCKTECHUK its some pressure 💣

@mr.kilanski4254 8 ай бұрын

this plunger fuel pump unit is on Volvo FL trucks since 2008 , thw worst fuel system to diagnose and fix, and now we see on Mx-13 😑