900 Turbo 8-Valve Intercooler Installation
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Assembly Page One
Disconnect the battery cables and remove the battery completely from the car.
Remove the turbo-to-intake pipe by loosening the hose clamps screws at the intake manifold and turbocharger. The strap on the intake manifold can be removed and discarded.
Stick-shift cars only: Disconnect the wire and vacuum line that runs to the deceleration valve. Trace the vacuum line back to the pressure sensor (bolted to the fuel filter next to the fuel distributor) and remove the "T" fitting from the line, such that the single vacuum line from the intake manifold runs only to the pressure sensor. Here's how it should look when you're done:
Leave the decel. valve wire tucked in the inner fender well. The excess vacuum line can be discarded.