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Ac compressor back bracket

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MLemley

New Member
Joined
Jul 10, 2023
Messages
13
Need a pic of an 1985 grand national Ac compressor rear(bracket location) that holds it on behind please and thank you
 
Need a pic of an 1985 grand national Ac compressor rear(bracket location) that holds it on behind please and thank you attached is what I have currently
 

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    IMG_9370.jpeg
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IT looks great yet it ought to have accompanied directions.
Directions didn’t come with as the ac compressor was bought by my grandpa 15-20 years ago now but it looks like everything is there? because the ac compressor has a lot of space when we put it up to it just wanted to know if there’s supposed to be that much play in it
 
Here are some pic's of the bolt locations for the Air Compressor & their sizes:

Bolt with spacer thru Bracket 2551669 thru compressor to bracket 25518933
15mm Flange Bolt 9.8 - M10 x 1.5 x 129mm w/ Flange Nut

Bolt thru Bracket 25518933 to Alternator
15mm Flange Bolt 9.8 - M10 x 1.5 x 79.4mm

Bolt thru Bracket 2551669 thru Compressor thru Bracket 25502722 (bottom of compressor)
15mm Flange Bolt 9.8 - M10 x 1.5 x 129mm w/ Square Nut (Sq. Nut is OEM may want to substitute for a Flange Nut)

Bolt thru Heat Shield & Bracket to back of Bracket 2551669
13mm Flange Bolt 9.8 - M8 x 1.25 x 25mm
 

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  • Air Compressor Bolt Location (2).jpg
    Air Compressor Bolt Location (2).jpg
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  • Air Compressor Bolt Location.jpg
    Air Compressor Bolt Location.jpg
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  • Bolt from Heat Sheild to Bracket 2551669.jpg
    Bolt from Heat Sheild to Bracket 2551669.jpg
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  • Bolt thru Bracket 2551669 SPACER.jpg
    Bolt thru Bracket 2551669 SPACER.jpg
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  • Bolt thru Bracket 2551669 thru Compressor w spacer.jpg
    Bolt thru Bracket 2551669 thru Compressor w spacer.jpg
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  • Bolt thru Bracket 25518933 to Altenator.jpg
    Bolt thru Bracket 25518933 to Altenator.jpg
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  • Heat Sheild Bolt Location.jpg
    Heat Sheild Bolt Location.jpg
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  • Compressor with lower bracket.jpg
    Compressor with lower bracket.jpg
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Here are some pic's of the bolt locations for the Air Compressor & their sizes:

Bolt with spacer thru Bracket 2551669 thru compressor to bracket 25518933
15mm Flange Bolt 9.8 - M10 x 1.5 x 129mm w/ Flange Nut

Bolt thru Bracket 25518933 to Alternator
15mm Flange Bolt 9.8 - M10 x 1.5 x 79.4mm

Bolt thru Bracket 2551669 thru Compressor thru Bracket 25502722 (bottom of compressor)
15mm Flange Bolt 9.8 - M10 x 1.5 x 129mm w/ Square Nut (Sq. Nut is OEM may want to substitute for a Flange Nut)

Bolt thru Heat Shield & Bracket to back of Bracket 2551669
13mm Flange Bolt 9.8 - M8 x 1.25 x 25mm
you the man appreciate you so much
 
Hey was wanting to ask if you have a parts number from billets specialties for that a.c compressor bracket ? I can not find it anywhere and was also wanting to ask if it came in v-belt.



Tutuapp 9Apps Showbox
 
Hey was wanting to ask if you have a parts number from billets specialties for that a.c compressor bracket ? I can not find it anywhere and was also wanting to ask if it came in v-belt.



Tutuapp 9Apps Showbox
I’ll check when i get out there today i’m not sure if it came in v belt as i did not buy it either my grandpa did years ago
 
The bracket that bolts to the bottom of the Compressor is GM Part Number 25502722. A 15mm Flange Bolt 9.8 - M10 x 1.5 x 94.33 mm w flanged nut bolts the bracket to the Compressor. (NOTE: the bolt in the pic should be reversed - the nut is to the front of the compressor when installing). If you do not have this part, check with members here on this forum (Parts Wanted Section) and they may be able to help. The lower bolt hole on the bracket bolts to where the split wire loom tubing is clamped to bracket 2551669. The clutch pully on the compressor is a v-belt.
 

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  • A C Lower Bracket 25502722.jpg
    A C Lower Bracket 25502722.jpg
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  • Bottom Bracket 25502722 bottom bolt location..jpg
    Bottom Bracket 25502722 bottom bolt location..jpg
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  • Bracket 25502722.jpg
    Bracket 25502722.jpg
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Last edited:
Here are some pic's of the bolt locations for the Air Compressor & their sizes:

Bolt with spacer thru Bracket 2551669 thru compressor to bracket 25518933
15mm Flange Bolt 9.8 - M10 x 1.5 x 129mm w/ Flange Nut

Bolt thru Bracket 25518933 to Alternator
15mm Flange Bolt 9.8 - M10 x 1.5 x 79.4mm

Bolt thru Bracket 2551669 thru Compressor thru Bracket 25502722 (bottom of compressor)
15mm Flange Bolt 9.8 - M10 x 1.5 x 129mm w/ Square Nut (Sq. Nut is OEM may want to substitute for a Flange Nut)

Bolt thru Heat Shield & Bracket to back of Bracket 2551669
13mm Flange Bolt 9.8 - M8 x 1.25 x 25mm
Where could i find these bolts are there reproductions or anything else i can use the works just as best? If not what would be the best way to hunt these down
 
Fastener store? We have a lot of nut & bolt places around here. Just tell ‘em what ya need.

Not sure if Lowe’s or the Depot may have. They’re decent for hardware but not the greatest.

Unless you require actual GM bolts.
 
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