Turbosmart BLOW OFF & BYPASS VALVE KITS - Vee Port for Subaru WRX (01-07), STI (01-08), Forester XT (06) - Manual

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IMPORTANT NOTES:
• Please thoroughly read and understand these instructions before commencing this installation.
• The thread on the cap for the vacuum source is AN#3. The standard swivel nipple can be changed to a AN#3 fitting if desired.
RECOMMENDATIONS
•
Turbosmart recommends that your Blow off valve (BOV) is fitted and adjusted by an appropriately qualified technician
• Turbosmart recommends that a boost gauge be permanently fitted to the vehicle
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HOW TO INSTALL YOUR BOV
Please check that the following items have been provided in your WRX Vee Port kit.
Quantity Description Use
1 WRX Vee Port BOV Model Specific blow off valve
1 34mm Blanking plug To blank off the standard return pipe
1 Gasket To seal the BOV to the intercooler pipe
1. Remove the standard BOV from the intercooler by removing the two bolts. Disconnect the vacuum line to the top of the standard
BOV.
2.
Using pliers, carefully clamp onto the spring clamp on the plumb back hose and pull the BOV off the hose. Then carefully install the
provided 34mm blanking plug into the plumb back hose and secure it with the standard spring clamp.
3.
Install the Vee Port using the standard screws. Do not forget to install the provided gasket in between the BOV flange and the
intercooler flange. Re-fit the standard vacuum tube to the BOV.
4.
Start the car and check for leaks.
Adjusting your BOV
• Adjustment to the BOV is made by rotating the cap, to increase spring tension rotate in the direction of hard, marked on the top of
the cap
• Rotate the cap in the direction of soft to decrease the spring tension – CAUTION Do not rotate the cap beyond the red indicator
groove
• Start with the BOV cap at the maximum soft position (The red indicator should be slightly covered by the edge of the cap)
• With the engine at idle the exhaust port should be closed off by the piston – the piston should be hard against the seat and not
floating or moving
• Free rev the engine and back off quickly, the engine should return to normal idle speed – if the engine drops below idle or stalls
increase the spring tension by one turn
• Repeat this process until the engine free revs and returns to normal idle speed
• Test drive the car and ensure that when decelerating or changing gears that the engine minimal backfiring and no stalling. If
backfiring is excessive or stalling is noticed then check all connections made during the installation, otherwise increase the spring
tension
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.
Product Name: WRX Vee Port
Product Description: Fits WRX 01 – 07, WRX STI
01 – 08, Forester XT 06’
Product Number: TS-0205-1115, TS-0205-1116
Blanking plug