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.
Handling Pressure Containers
Secure containers to prevent them falling over!
Secure upright cylinders to stop them falling over and cylinders lying flat to stop them rolling away.
Do not throw containers!
If dropped, the containers could be so severely deformed that they rupture. The refrigerant evaporates immediately, liberating considerable force. Flying fragments of cylinders can cause severe injuries.
To protect the valves, cylinders are only to be transported with protective cap screwed on.
Valves may break off if cylinders are not properly transported.
Never store in the vicinity of radiators.
High temperatures may occur next to radiators. High temperatures are also accompanied by high pressures and the maximum permissible container pressure may be exceeded.
Not Warming Above 50 °C (122 °F)
To avoid possible risk, pressure container regulations specify that containers are not to be heated to in excess of 50 °C (122 °F).
Heating Warning
Do not heat with a naked flame under any circumstances. Localized overheating can cause structural changes in the container material, which then reduce its ability to withstand pressure. There is also a danger of refrigerant decomposition due to localized overheating.
Empty Containers
Empty refrigerant containers must always be sealed to prevent the ingress of moisture. Moisture causes steel containers to corrode. This weakens the containers walls. In addition, rust particles entering into refrigeration systems from containers will cause malfunctioning.
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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.