From memory - how to remove the bumper:
(All screws are torx-headed)
1) Remove the screws from underneath the bottom of the bumper. Depending on the length of your screwdriver, you might need to jack up the front or drive up onto blocks to get enough room.
2) Remove the screws from inside the leading edges of both front wheel arches (might need to turn the front wheels to get access, IIRC there are 3 or 4 screws per side, top one of which goes upwards)
3) Remove two screws from the front of the bumper. On my old TDI Sport, they were located slightly inboard from the foglights. You might need to get down and peer through the grill to see them.
4) Remove the screws from the top edge of the grille, either 2 or 4, can't remember now.
5) Carefully pull the bumper forward a little - remember the foglight wires are still connected and have very little slack.
6) Disconnect the foglight wiring and you can pull the bumper right off and put it to one side.
With the bumper off, you will see the headlights are secured with 4 screws - two of which are underneath and were hidden by the bumper.
However - you might be able to get access to your pipe by getting under and removing the undertray, I can't quite remember now.
I had to fix the very same fault once (pipe popped off intercooler)
And yes the oil for a PD130 MUST meet 505.01.
(All screws are torx-headed)
1) Remove the screws from underneath the bottom of the bumper. Depending on the length of your screwdriver, you might need to jack up the front or drive up onto blocks to get enough room.
2) Remove the screws from inside the leading edges of both front wheel arches (might need to turn the front wheels to get access, IIRC there are 3 or 4 screws per side, top one of which goes upwards)
3) Remove two screws from the front of the bumper. On my old TDI Sport, they were located slightly inboard from the foglights. You might need to get down and peer through the grill to see them.
4) Remove the screws from the top edge of the grille, either 2 or 4, can't remember now.
5) Carefully pull the bumper forward a little - remember the foglight wires are still connected and have very little slack.
6) Disconnect the foglight wiring and you can pull the bumper right off and put it to one side.
With the bumper off, you will see the headlights are secured with 4 screws - two of which are underneath and were hidden by the bumper.
However - you might be able to get access to your pipe by getting under and removing the undertray, I can't quite remember now.
I had to fix the very same fault once (pipe popped off intercooler)
And yes the oil for a PD130 MUST meet 505.01.