on A/C

1998 CHEVROLET MONTE CARLO
15,000 MILES • 3.1L • 6 CYL • AUTOMATIC
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PHIL ROBERTS
  • MEMBER
  • 2 POSTS
on aluminum A/C parts, lines what is the torque on bolts?
Aug 28, 2019 at 4:40 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
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
Aug 28, 2019 at 6:06 PM
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PHIL ROBERTS
  • MEMBER
  • 2 POSTS
Thanks, yes on compressor and dryer. Very helpful.
Aug 29, 2019 at 2:54 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
Happy to help. Let us know if you have questions in the future.

Joe
Aug 29, 2019 at 6:34 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.