Pontiac 2724700 Accumulator Asm,A/C

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To remove the accumulator, start by discharging the system and disconnecting the negative cable from the battery. Then, disconnect the inlet and outlet lines of the accumulator and immediately cap them to prevent any leakage. Loosen the bolts and lift the accumulator out of the bracket, making sure to pour the oil from the accumulator into a measuring cup and noting the amount. For installation, pour an equal amount of the appropriate refrigerant oil into the new accumulator, along with an additional two ounces. Use new O-rings lubricated with refrigerant oil during the installation process. Finally, for both removal and installation, it is necessary to have the system evacuated and recharged.

To remove the air conditioning system, start by discharging the system and disconnecting the battery cable at the negative terminal. Then, disconnect the refrigerant inlet and outlet lines and cap or plug them to prevent dirt or moisture from entering. Loosen the clamp bolt on the mounting bracket and remove the accumulator from the compartment. For installation, if replacing with a new accumulator, add one ounce of fresh refrigerant oil (or two ounces for 1999 and later models) to the new unit. Place the new accumulator in the bracket, ensuring the mounting clamp is reversed for easier future removal. Install the inlet and outlet lines, using clean refrigerant oil on the new o-rings. Tighten the mounting bolt securely and reconnect the battery cable. Finally, have the system evacuated, recharged, and leak tested.