Mazda RX-8 Workshop Manual page 948

1SSV (See SSV Installation
SSV Installation Note
1. Remove the carbon adhering to the internal SSV port of the intake manifold.
a. Wrap a clean cloth around the driver shaft (120 mm or more).
b. Spread a clean cloth underneath the internal SSV port of the intake manifold and
cover the secondary port.
c. Set the engine cleaner perpendicularly and spray it to the bottom surface of the
internal SSV port.
d. Wait 5 min after spraying.
e. Clean the bottom surface of the internal SSV port using (1).
NOTE:
2. Install a new gasket and the SSV.
Note.)
Be careful that carbon does not fall into the secondary port.