Pontiac 2724667 Accumulator Asm,A/C

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Drain and measure the oil in the accumulator, discard the old oil, add new oil equivalent to the amount drained from the old accumulator plus an additional 2-3 oz. (60-90ml) of oil to compensate for the oil retained by the accumulator desiccant, position the accumulator in the securing bracket, tighten the clamp bolt to 88 inch lbs. (10 Nm), install new O-rings at the inlet and outlet connections on the accumulator, lubricate the O-rings with refrigerant oil, connect the low-pressure inlet and outlet lines, tighten to 35 ft. lbs. (48 Nm), connect the negative battery cable, tighten the cable bolt to 11 ft. lbs. (15 Nm), evacuate, charge and leak test the system, reinstall the air cleaner assembly if removed, reset the radio, clock and any other applicable electronic devices.

To remove the accumulator, start by discharging the system and disconnecting the negative cable from the battery.