2h pinging after injector rebuild

[ontherxs]

So the rig in question is mine, Shasta, and @GLTHFJ60 helped me with the injector rebuild. I can report it runs great now much better than it did. A leaking injector @ #2 was the original reason to replace the injectors. No leaks now which I am very happy about. She pulls well in second and in third up inclines, she feel like she wants to go (no hesitation when you mash the throttle), and finally no horrid smell of diesel in the cabin. I am at a little disadvantage because I can hear (long story) so I don't know if the noise sticks around under normal driving conditions. I'll hopefully get some time this weekend for Johnny to drive it and see (listen). I've been driving it for the last two days and it is running better than it ever has. I just hope there is not something more serious lurking around the corner. Time will tell. Thank for all the input Mudders!

 

[GLTHFJ60]

So the rig in question is mine, Shasta, and @GLTHFJ60 helped me with the injector rebuild. I can report it runs great now much better than it did. A leaking injector @ #2 was the original reason to replace the injectors. No leaks now which I am very happy about. She pulls well in second and in third up inclines, she feel like she wants to go (no hesitation when you mash the throttle), and finally no horrid smell of diesel in the cabin. I am at a little disadvantage because I can't hear (long story) so I don't know if the noise sticks around under normal driving conditions. I'll hopefully get some time this weekend for Johnny to drive it and see (listen). I've been driving it for the last two days and it is running better than it ever has. I just hope there is not something more serious lurking around the corner. Time will tell. Thank for all the input Mudders!

Fixed

I will have time to drive her this weekend. Come over on Saturday.

 

[Gengis]

Had a similar noise on my B engine and it was the injector lines (pipes) not secured properly and not sitting snugly in their rubber mounts.

 

[lostmarbles]

Fixed ....

By doing what exactly?

 

[GLTHFJ60]

By doing what exactly?

I've been helping him diagnose this sound because @ontherxs is hard of hearing, so he literally can't hear the pinging noise to tell if it gets louder / quieter while driving. He wrote in the comment "can" instead of "can't" by accident.

We will drive the truck some more this weekend and report back. We'll make sure to check the injection line holders as well

Thanks for the help guys!

 

[lostmarbles]

I've been helping him diagnose this sound because @ontherxs is hard of hearing, so he literally can't hear the pinging noise to tell if it gets louder / quieter while driving....

OK.. I'll admit that I too have a hearing impediment... (My family are always the first to notice silly electronic alarms, such as those on our stove/oven or clothes drier etc, when I can't hear them even when I really make the effort to listen for them!)

Hey.. That's got me thinking ...Maybe my deafness is giving me the illusion that all is well in my BJ40 when if any of you guys were to hop in you'd probably hop straight back out again (fearing imminent destruction/catastrophe).

But I don't care... Hell. Many years ago, when my hearing was still good, I put a screwdriver to each injector in turn (as a stethoscope) and found No.1 to be making a hell of a clatter compared to the rest. That was probably 200,000kms ago and no catastrophies have happened. (The head has still never been off and it has reconditioned injectors now but that "noisy No.1 injector phenomenon" still exists at idle as far as I'm aware.)



PS. I'll no longer comment on any sound videos!

 

[TLC Norway]

I also changed to 3 hole washers after doing my injectors, had no issues. At first. After driving fine for a month, I pulled them to check pattern again, had a weird knock-ping ping ping- knock sound.
Pattern was fine, put it back in, tightened everything to specs again.
Sound was still there, for about 15 minutes of idle while cranking air out at nozzles.
It stopped at the moment I bleed air out of the side vent on the IP.
I guess it was air in the return line looping.

3 hole washers had nothing to do with it.

 

[GLTHFJ60]

I also changed to 3 hole washers after doing my injectors, had no issues. At first. After driving fine for a month, I pulled them to check pattern again, had a weird knock-ping ping ping- knock sound.
Pattern was fine, put it back in, tightened everything to specs again.
Sound was still there, for about 15 minutes of idle while cranking air out at nozzles.
It stopped at the moment I bleed air out of the side vent on the IP.
I guess it was air in the return line looping.

3 hole washers had nothing to do with it.

You know what, it's funny you mention the pinging went away. Went for a drive in the truck yesterday and didn't hear the pinging before or after the drive. Nothing changed, problem just disappeared.

Will keep this thread updated if the problem creeps back up again, but for now, seems that the ping was just related to air in the return line.

 

[Dan84hj60]

Did you track down the issue mate? I've just had my injectors done and it's doing the exact same thing :/ quite concerning really

 

[GLTHFJ60]

In both cases, it seemed to just be air in the injection lines. Hasn't crept back up since to my knowledge.

 

[Dan84hj60]

Would it be worth bleeding the lines up again? I thought it would miss if there was air in the lines

 

[sodafeld1]

Would it be worth bleeding the lines up again? I thought it would miss if there was air in the lines

so how did ya go?