Turbosmart BOV ADAPTERS - Subaru Liberty (Legacy) B4 User Manual
Page 3
SUBARU LIBERTY B4 BLOW-OFF VALVE ADAPTOR INSTRUCTIONS
Head Office: Turbosmart Pty Limited, PO Box 264 Croydon, NSW, 2132 Australia
Ph: +61(2) 9798 2866
Fax: +61 (2) 9798 2826
Email:
USA Office: Turbosmart USA, 1185 Park Center Drive, Suite Q, Vista CA 92081 USA
Ph: (760) 727 7610
Fax: (760) 727 7963
Email:
PART NUMBER
FG-ADM-LBB4
Step10. Remove the heat shield bolt and fit the new
Intercooler support bracket.
Step 11. Use the supplied M8 nut & spring washer and
reuse the factory bolt to secure the support bracket to the
intercooler.
Step 12. Trial fit the BOV and adaptor assembly to the intercooler and align the BOV by rotating it to the desired position.
Ensure there is adequate clearance around the BOV allowing for engine movement and ensure that the BOV does not
interfere with any hosing in the immediate area.
Step 13. Install your Turbosmart BOV onto the B4 Adaptor by following the instructions included with the BOV.
Step 14. Fit the complete BOV and Adaptor assembly to the intercooler using the supplied gasket and the two factory M8
mounting bolts. Ensure that the adaptor mating surfaces are clean and free from oil or dirt.
Step 15. Fit one end of the 5mm silicon vacuum hose to the top of the Turbosmart BOV and the other end to the factory
vacuum source as shown below. Secure the ends of the Silicon hose using the supplied clamps.
Step 16. Please refer to your BOV fitting instructions for further information on how to fit and adjust your BOV.
TROUBLE SHOOTING
The following points should be checked if you find that your engine is dipping below normal idle, stalling or if the BOV is
functioning poorly. Please note the following checks will cure 99% of problems experienced with a BOV.
-
Check that the O-ring on the base of the BOV is fitted correctly and is in good condition
-
Ensure that the B4 Flange sit securely over the gasket & Intercooler and without leaks.
-
Ensure that the BOV grub screws and lock-nuts are tightened on the adaptor.
-
Ensure gasket is in place between the adaptor flange and the intercooler.
-
Ensure that the factory nuts securing the adaptor flange onto the intercooler is tightened.
-
Ensure the factory vacuum/boost line is connected to the BOV fitting and secured with the 6mm hose spring clamp.
-
Check the 29mm Blank is fitted on the return hose and secured with the factory hose clamp.
-
Re-adjust the setting of your BOV. Please refer to your BOV fitting instructions for further information
Factory Vacuum
source
New intercooler
support bracket
Heat shield bolt
Connect
Vacuum/Boost hose
to BOV fitting.