AC Compressor Removal

1989 CHEVROLET ASTRO
151,000 MILES • 6 CYL • 2WD • AUTOMATIC
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KEITHKENYON
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  • 1 POST
Trying to remove a AC compressor from 1989 Astro Van. Have three bolts removed, but forth is buried on bottom/driver side of compressor. How do I get this one?
Aug 25, 2011 at 5:32 AM
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WRENCHTECH
  • ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
Remove or Disconnect

1. Refrigerant from the system.
2. Negative battery cable.
3. Engine cover.
4. Electrical cover.
5. Serpentine drive belt.
6. Manifold from the rear of the compressor.
7. Nut (5) and bolt (6).
8. Brace (7).
9. Bolts (9).
10. Bracket (8).
11. Compressor (1).

Install or Connect

1. Compressor (1).
2. Bracket (8).
3. Bolts (9).

Tighten
Top bolt to 83 Nm (61 ft. lbs.).
Bottom bolt to 50 Nm (37 ft. lbs.).

4. Brace.
5. Nut (5) and bolt (6).

Tighten
Nut (5) to 33 Nm (24 ft. lbs.).
Bolt (6) to 50 Nm (37 ft. lbs.).

7. Manifold to the rear of the compressor.

Tighten
Bolt to 35 Nm (26 ft. lbs.).

8. Drive belt.
9. Electrical cover
10. Engine cover
11. Negative battery cable.
12. Refrigerant to the system and leak test.
Aug 25, 2011 at 10:00 AM
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STRAILER
  • ASE Certified Mechanic
  • 54,837 POSTS
  • ASE Certified Mechanic
You may need to loosen the A/C compressor mounting bracket to gain access to all of the compressor mounting bolts. Here is a video to help you vacuum down and recharge the system as well as the instructions on how to replace the compressor in the images below.

https://www.youtube.com/watch?v=4EqdrBVb0sY

Check out the images (below). Let us know if you need anything else.




Feb 10, 2025 at 12:14 PM
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