Supercharger By-Pass (SCB) Valve

REMOVAL & INSTALLATION

1. Drain the engine coolant.

   Fig. 1: Exploded view of the components to remove and install the supercharger by-pass valve

2. Remove the air duct.
3. Remove the engine coolant reservoir and bracket.
4. Remove the air damper case.
5. Remove the blower.
6. Disconnect the power steering reservoir.
7. Remove the throttle body.
8. Label and disconnect the two power steering idle-up hoses.
9. Disxconnect the supercharger by-pass valve wiring.
10. Disconnect the brake booster hose from the No. 1 air duct.
11. Remove the power steering hose clamp.
12. Disconnect the supercharger magnetic clutch wiring from the support bracket. Remove the 2 bolts and support bracket.
13. Remove the bolts and nuts holding the supercharger by-pass valve to the No. 1 air inlet duct. Remove the nuts and the No. 1 air inlet duct with the supercharger by-pass valve. Extract the valve and the No. 1 air inlet duct gaskets. Make sure when installing, new gaskets are used.

    Fig. 2: Remove the 2 nuts and 2 bolts holding the by-pass valve to the No. 1 air inlet duct

    Fig. 3: Remove these 5 nuts to extract the valve and inlet duct

14. Loosen the supercharger clamp and remove the by-pass valve.
15. Inbstall the by-pass valve in the reverse order of removal. When installing pay special attention to tightening specifications.
16. Tighten the nuts and bolts attaching the supercharger by-pass valve to the No. 1 air inlet duct to 48 inch lbs. (5 Nm).
17. Secure the No. 1 hose support bracket to 69 inch lbs. (7 Nm) and the power steering hose clamp to 9 ft. lbs. (11 Nm).
18. Fill the cooling system, start the engine and top off the system. Check for leaks.