AC Compressor Removal

KEITHKENYON

MEMBER
1989 CHEVROLET ASTRO
6 CYL
2WD
AUTOMATIC
151,000 MILES

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?

Thursday, August 25th, 2011 AT 5:32 AM

2 Replies

WRENCHTECH

MECHANIC
20,761 POSTS

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.

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Thursday, August 25th, 2011 AT 10:00 AM

KEN L

MASTER CERTIFIED MECHANIC
54,144 POSTS

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.

Images (Click to make bigger)