Injector Nozzle Damage: Causes & Repair

Hello!
"On my 2.0 TDI BPW engine, the tappets that contact the rocker arm shaft are broken on two of the cylinders."
The setting was definitely correct.
What could be the cause of this?
Sure, here's the translation:

"Thank you in advance!"
Best regards,
Peter.

Hi.

Peter1027 wrote:

Hello! "On my 2.0 TDI BPW engine, the tappets that contact the rocker arm shaft are broken on two of the valves." The setting was definitely correct. What could be the cause of this? Sure, here's the translation: "Thank you in advance!" Best regards, Peter

Mileage? I also experienced this with a PD element, which also failed at the same time.

/garage.php?mode=view_own_vehicle&CID=109

It might have been around 280,000 km.

Best regards, Rainer.

I installed new injector nozzles in the pre-combustion chambers and drove for a while without any problems, until two of them broke.