Interior Vents

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Scott91370

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Sierra1500
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350
I'm finally about to get the AC charged in the truck. I know they like to put it on max to keep the air recirculating.

Questions:
When it is set to max -
The vent on the outside cowl is closed, right?

The vent in the passenger kick panel is open, right?


Asking because I don't have the kick panel installed yet but I want to get the AC charged Monday (because I don't have to go to work and I know the shop is open) and won't have time to get the panel revocered and installed.
 

MarineOne

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David
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K25
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They font need any ducting to charge the ac. It's all done via line pressures and ambient temp. Is your ac factory with r134a conversion fittings and orifice tube or aftermarket?
 

Scott91370

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Location
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Scott
Truck Year
1985
Truck Model
Sierra1500
Engine Size
350
They font need any ducting to charge the ac. It's all done via line pressures and ambient temp. Is your ac factory with r134a conversion fittings and orifice tube or aftermarket?
It's aftermarket.
 

MarineOne

Full Access Member
Joined
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Location
Western New York
First Name
David
Truck Year
1986
Truck Model
K25
Engine Size
454
It's aftermarket.
That makes it even easier. If compressor has a sticker it should say howmany lbs/Oz it should be charged with. If not contact the kit manufacturer and ask what the charge weight is and if they have a line pressure chart
 

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