Devac System
Fabricate an air evacuator tool as shown in Fig. 1 . Make sure that fluid level is correct, raise front of vehicle so wheels are off ground and support. Remove coil wire, crank engine and recheck fluid level while turning wheels from side to side. Replace coil wire, insert tool into pump filler and apply vacuum from vacuum pump. DO NOT use engine vacuum. Maintain for 3 minutes with engine idling, recheck fluid level, and apply vacuum again. Cycle steering lock-to-lock every 30 seconds for 5 minutes. Remove tool, check fluid level and add if necessary, lower car.