Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM1999CARAVAN BASE, 2.4 BREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGHVAC SYSTEM - GENERAL SERVICINGEVACUATING A/C SYSTEMCHRYSLER CORP.ALL OTHER MODELS
1999 Dodge and Ram Caravan Base, 2.4 B
All Other Models
1999 Dodge and Ram Caravan Base, 2.4 BSECTION All Other Models
- Connect approved recovery/recycling equipment and manifold gauge set to vacuum pump. Fully open manifold gauge set suction and discharge valves, and start vacuum pump. Operate vacuum pump at least 45 minutes with a low-side vacuum reading of 26 in. Hg or more (28 in. Hg or more on Neon). Close all valves. Turn vacuum pump off and observe vacuum gauge.
- If A/C system maintains specified vacuum for 30 minutes, open all valves, start vacuum pump and operate for an additional 10 minutes. Close all valves. Turn vacuum pump off and disconnect pump. If A/C system cannot get to or maintain specified vacuum for 30 minutes, check for a defective vacuum pump or leak in A/C system or gauge set. See LEAK TESTING . Repair or replace A/C system components as necessary.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.