Before beginning this or any procedure, read all warning labels. Make sure you have proper air ventilation, adhere to all safety practices, and use OSHA approved safety glasses. Apply Parking Brake. Start engine and allow it to reach full operating temperature. 1) While the engine is still running, remove a vacuum hose from the PCV Valve, brake power booster or highest convenient vacuum hose from the intake manifold (make sure it does not lead through any plastic tees or check valves) and connect the FI101002 (reusable) feeder to the hose making sure the brass valve on the feeder kit is closed. Use CAUTION to make sure the feeder kit hose is clear of the radiator fan and exhaust manifold. 2) Adjust the engine speed to 1200 - 1450 RPM except turbo engines which remain at idle, OR you can leave all vehicles at idle, it takes a little longer. DO NOT RUSH, THIS STEP SHOULD TAKE 6 TO 9 MINUTES ! 3) Connect the #FI01002 Reusable feeder bottle to hood or under hood latch to support I.V. bottle. 4) Close the brass valve on Feeder Bottle and pour entire contents of desired bottle into the bottle of the Feeder Bottle. Screw on and tighten lightly top cap of Feeder Bottle. 5) Slowly open the brass valve on the feeder to allow the chemical cleaner to flow slowly through the vacuum line. If the engine should stall, close the brass feeder valve, restart the engine and continue. 6) When entire contents of the Feeder Bottle have been pulled into the engine. Shut off the engine, remove the Feeder Bottle, reconnect the vacuum hose and return the engine to normal idle. Copyright 2000-2010, H.D.I. Managemet Inc. Nevada, USA All Rights Reserved, All Logos, Trademarks & Copyrights are property of their respective owners.