Welcome to 2CarPros.
I'm not sure exactly which part you are referring to. However since you said aluminum and hoses, I think you are referring to the compressor condenser hose assembly. I attached the directions for removal and replacement. The torque specs are in the directions.
See Picture 1
Remove or Disconnect
1. Recover refrigerant.
2. Air cleaner and duct assembly.
3. Compressor line at accumulator.
4. Compressor line at condenser.
5. Hose assembly at compressor.
6. Hose assembly.
Important
Remove and discard all used O-rings and sealing washers.
Install or Connect
1. Hose assembly.
2. Hose assembly at rear of compressor, using new sealing washers.
Tighten
Nut and/or Bolt to 33 N.M (24 lb. Ft.).
3. Line to condenser with mounting bolt.
Tighten
Bolt to 16 N.M (11 lb. Ft.).
4. Line at accumulator with mounting bolt.
Tighten
Nut to 16 N.M (11 lb. Ft.).
5. Air cleaner and duct assembly.
6. Evacuate, recharge, and leak test system.
If there is something different you need, let me know.
Joe
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Wednesday, August 28th, 2019 AT 6:06 PM