Verify ambient temperature is above 65 degrees F.
1.
Safety> - safety glasses, long sleeves and gloves, (exposure to refrigerant can cause frostbite).
2. Attach hoses to
manifold> assembly, (hi, lo, and fill).
3. Remove caps from service ports, (Low press. Larger tube from evaporator to accumulator - passenger side over fender well; High Pressure - smaller tube from evaporator along firewall towards driver's side). Verify
service> ports are clean.
4. Attach low press. and high press hoses to proper service ports.
5. Start
car>, reset low refrig code, and turn ac on high and fan on high.
6. Read gauges and compare with chart provided with gauge set.
7. If low and high press readings are both low, then system needs recharge.
8. To recharge, attach fill hose to can of
R134a and slowly open
low press valve>, (NOT HIGH PRESS VALVE), until
low press side reads 40 psi.
9. When flow stops and pressures stabilize close
valves> and disconnect manifold from service ports and refrigerant can. Replace service port caps.
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