@@volvobigtrucks8640 another question is the pump for the def a high pressure pump. We checked the pump and it's running but we are not sure if it has enough pressure?
Damn I just heard that humming sound when I shut truck off.... I changed air dryer out and all of a sudden my yellow engine light comes on and a code SN 0 5443 FMI 13 ...Help Could this be it ? Can I just change filter? Humming just started out the blue
the code you sent is for a dosing module that supplies air and fuel to the 7th injector, the humming sound is mostly not related to it, the def pump behind the def tank will make a humming sound right after key is shut off and its normal = good pump is working
volvo big trucks I hoping to tighten batteries down and check that lil wire that goes to positive terminal and that fixes it I did not my battery power gauge was hesitant get up to 13.4 this morning... maybe🤷🏼♂️
@@volvobigtrucks8640 thanks for the answer and the person thank to.. I have a 4094 fmi 1 .. mechanic said it's the d.e.f pump but I turn the key off and hear the humming sound.
also when you turn off your truck few moments later you should hear a buzzing/humming sound that is the def pump is pulling back in the def from the nozzle, if it doesn't first thing to check fuses and battery connections
@@boris1779 there is a small wire coming off the positive post check it, clean it and check make sure wire is good on it, will post a vid for another spot to check
![mgk - I Think I’m OKAY (with YUNGBLUD) (Sad Version) [Official Music Video]](http://i.ytimg.com/vi/7AC1uqQLIg4/mqdefault.jpg)
Thanku for very informative Volvo vids
Excellent
Спасибо.
bravo exactly the video i was looking for ^.^
Looks like a diaphragm pump. Pretty neat, thx.
Def pump not working whats the major issues
Wonder where the tinny filter goes...
👏👏👍🤝
Volvo uses the same design def pump on their small and medium platform machine, 24 volt of course.
Heh, you damaged supply modul a lot.. 🥴 I work at assembly line for these pumps.. Interesting to see how someone disassembling one.
My pump went bad so I need to replace it and all the pump look the same is there a difference? Its the same pump in this video.
As far as i know they are same up to 2021 for volvo and mack. But check with dealer with your vin
What pressure reading will be the normal DEF pump and failed ones?
a good pump builds and holds or around 130 psi,
Thanks so much it is very valuable lesson I learned
@@volvobigtrucks8640 under what tab on tech tool can you see the pump pressure and speed?
scr system test
Those have a $550 core
Wher is located DEF Pump pre filter-strainer
it is inside of the front left black hose connector, p# 21954674
If the pump is bad would that give you a scr derate? I an getting derated and when I check with computer I am not getting no code.
ya most of the time it wont give you a code for failed DEF pump, but will give codes for low pressure or high nox and yes that will de-rate truck
@@volvobigtrucks8640 ok thanks
@@volvobigtrucks8640 another question is the pump for the def a high pressure pump. We checked the pump and it's running but we are not sure if it has enough pressure?
Should build and hold Right around 130psi
Is the pump has the same pressure when running in idle and doing a regen or it has different pressure reading?
Damn I just heard that humming sound when I shut truck off.... I changed air dryer out and all of a sudden my yellow engine light comes on and a code SN 0 5443 FMI 13 ...Help
Could this be it ? Can I just change filter?
Humming just started out the blue
the code you sent is for a dosing module that supplies air and fuel to the 7th injector, the humming sound is mostly not related to it, the def pump behind the def tank will make a humming sound right after key is shut off and its normal = good pump is working
volvo big trucks I hoping to tighten batteries down and check that lil wire that goes to positive terminal and that fixes it
I did not my battery power gauge was hesitant get up to 13.4 this morning... maybe🤷🏼♂️
volvo big trucks and THANKS FOR THE QUICK RESPONSE
@@volvobigtrucks8640 thanks for the answer and the person thank to.. I have a 4094 fmi 1 .. mechanic said it's the d.e.f pump but I turn the key off and hear the humming sound.
How to now pump is broken
A lot of the time they wont pump at all or not enough. Giving a code for low def pressure.
also when you turn off your truck few moments later you should hear a buzzing/humming sound that is the def pump is pulling back in the def from the nozzle, if it doesn't first thing to check fuses and battery connections
@@volvobigtrucks8640 Thanks much. I got P2047-13 change def doser and nothing changed, check battery terminal check conectors , start forced regen and def pump not build pressure ...!
@@volvobigtrucks8640 I can't find fuse for it
@@boris1779 there is a small wire coming off the positive post check it, clean it and check make sure wire is good on it, will post a vid for another spot to check
You are a destroyer
oops.. taking them apart gives me a better idea about the part and all that good stuff, and why not share it
@@volvobigtrucks8640 haha,I do the same in China
Se la rompevi con la mazza facevi prima