REMOVING AND INSTALLING ALL INTAKE PIPES Detach intake pipes from collector and intake necks. Up to 1980 Models: Remove EGR valve (1) from intake pipes 3 or 4 11 71 501. Detach pressure regulator (2) and holder (3). 11 71 501 | |
Installation: Replace gaskets. If only one intake pipe is removed, cut off gasket (1) behind the staybolt. |