Main piston spring:
Please see notes on
the next page
Note that the bolt holes are NOT
SY M ME TRI CA L. Wh en you
assemble the DV+ body onto the
so leno id b ody, c hec k th e
alignment of the holes - if they do
not line up properly, rotate the
DV+ body until the bolt holes line
up correctly before installing on
the car.
X
?Assemble the GFB DV+ parts onto the factory solenoid body as shown in the exploded view below,
making sure to use the GFB-supplied plunger spring and longer bolts.
GFB-supplied
plunger spring
Installation - continued
?Install the DV+ assembly onto the turbo,
making sure to hold the piston with your finger
so it doesn’t fall out during this process. Don’t
forget to use the supplied longer screws.
Because of the asymmetric bolt holes, the
assembly can only be installed in one
orientation.
?Clip the electrical connector back on, then
re-install the engine cover.
Apply oil
During assembly, check that the piston slides freely in the body without sticking or binding. It is a very
close fit and can sometimes be difficult to get started into the bore, but once in it should move without
needing to be forced. Apply some engine oil onto the piston during assembly.
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