Excessive freon may cause the compressor to"slug" (Seize)
4 pounds
How much freon does 99 Tahoe with rear ac hold
could have too much freon in it -air could be going thru heater coil- no air flow thru condensor
Refer to your manual or call the manufacture for the proper information.
Yes
Connect a Freon gauge and Freon to the low side ac port. With the engine running and ac on high, open the valve and allow Freon to flow until the gauge reads full.
you need to put the freon in the low side, should be the smallest cap on the ac system
It takes R 134-a freon.
Connect a freon gauge and the freon can to the low side ac port. With the ac running on high and the engine running, open the freon. Let it flow until the gauge shows that the system is full.
Freon is added through the low side ac port. A gauge is recommended to check the Freon pressure, as too low or too high pressure can cause the ac not to work properly.
Too much refrigerant can do it, yes. System pressures get extremely high on both sides of the AC system when it is overcharged.
With the Freon and gauge connected to the low side ac port, start the engine. Turn ac on high, and add Freon till the gauge shows full.