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Home >> Chevrolet >> 2001 >> Tracker 2D Utility, 4WD, Standard >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> HVAC System - General Servicing Procedures >> Evacuating A/C System >> DAIMLERCHRYSLER Corp. >> Cherokee, Dakota, Durango, Grand Cherokee, Ram Pickup, Ram Van/Wagon & Wrangler

Cherokee, Dakota, Durango, Grand Cherokee, Ram Pickup, Ram Van/Wagon & Wrangler

  1. Connect approved recovery/recycling equipment and manifold gauge set. Fully open manifold gauge set low-side and high-side valves, and start vacuum pump. Operate vacuum pump until low-side vacuum reading of 26 in. Hg or more. Close all valves and turn vacuum pump off. Observe vacuum gauge and go to next step.
  2. If A/C system maintains specified vacuum for 5 minutes, restart vacuum pump, open low-side and high-side valves, and evacuate system for an additional 10 minutes. Close all valves. Turn vacuum pump off and disconnect pump.
  3. If A/C system cannot get to or maintain specified vacuum, check for a defective vacuum pump or a leak in A/C system or gauge set. See LEAK TESTING . Repair or replace components as necessary.
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