GReddy TURBO RELATED: Subaru WRX 2002-05 / BOV Kit BRS-610 GDB User Manual

Page 7

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(3)

Install the provided return pipe to the cut
air bypass hose as shown.

※

Route the return pipe under the left

intercooler bracket as shown.

(4)

Remove the discharge funnel off from the
blow off valve and install the valve on to the
intercooler using the provided gasket and
valve.

※

The attachment can be easily turned off.

Make sure not to damage the o ring.

(5)

Reinstall the intercooler and connect the
turbo out let hose and throttle body hose.

(6)

Connect the return pipe to the blow off
valve with provided 34

∅

silicone hose.

(7)

Reconnect the vacuum hose to the top of
the blow off valve and place the emblem on
the top cover.

(1)

Inspect the installation. Reconnect the negative terminal of the battery and start the engine.

(2)

Check and make sure that there no air leeks, clearance problems or irregular sound.

(3)

Lightly rev up the engine couple times to check if the blow off valve is operating.

If irregular idle or engine stall occurs, loosen the M6 lock nut and turn the adjustment screw to
HARD

HARD

HARD until the problem is eliminated.
After the adjustment, tighten the lock nut to secure the setting.

※

The adjustment is preset to the softest position form factory. Do not turn it further out that

this position.

※

Make sure to loosen the lock nut before making adjustment. Turning the adjusting screw

without loosening the lock nut will strip out the top housing.

※

When the adjustment screw is turned in, the stock of the valve decreases. Screwing it in too

far will affect the proper operation of the valve.

Adjustment after installation

Starting the engine

Intercooler bracket

Return hose