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 MANUALSPLYMOUTH1994SUNDANCE BASE, 2D HATCHBACK, 2.2 D, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (A/C-HEATER SYSTEM - MANUAL)TESTINGA/C SYSTEM CHARGE LEVEL TESTMANIFOLD GAUGE SET
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, Automatic
Manifold Gauge Set
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, AutomaticSECTION Manifold Gauge Set
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
- Attach clamp-on thermocouple to liquid line as close to condenser outlet as possible. Attach manifold gauge set to high side and low side connectors.
- Set parking brake and place transaxle in Park. Idle engine at 700 RPM. Set A/C controls to outside air, full cool and high blower speed. Turn A/C button on and open windows. Operate system for a few minutes to allow system to stabilize.
- Place a piece of cardboard over part of condenser to set A/C pressure to 260 psi (18.3 kg/cm2 ). This will stop cooling fans from alternating speeds and maintain constant pressure.
- Record temperature readings at liquid line and discharge pressure readings on gauges. Use REFRIGERANT CHARGE LEVEL table to determine whether system is undercharged or overcharged.
- Depending on system charge condition, corrections are made 2 ounces at a time. Each time a correction is made, recheck readings to ensure proper charge. Total system capacity is 28 ounces.
REFRIGERANT CHARGE LEVEL (1)
| Liquid Line Temperature °F (°C) | Discharge Pressure psi (kg/cm2 ) | ||
|---|---|---|---|
| 40 (4.4) | 53-75 (37.3-52.7) | ||
| 60 (15.6) | 81-104 (57.0-73.1) | ||
| 80 (26.7) | 111-142 (78.0-99.8) | ||
| 100 (37.8) | 156-194 (109.7-136.4) | ||
| 120 (48.9) | 208-259 (146.2-182.1) | ||
| 140 (60.0) | 272-331 (191.2-232.7) | ||
| 160 (71.1) | 353-420 (248.2-295.3) | ||
| 180 (82.2) | 447-516 (314.3-362.8) | ||
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RENDER: 1.0x
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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.