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compressor identification

BigR on Fri March 14, 2008 11:39 AM User is offline

Year: 1978
Make: Pontiac
Model: Sunbird
Engine Size: 305
Refrigerant Type: none

There's a Silverado at a local wrecking yard with a Delphi 6460 compressor on it. The label is difficult to read but I think it says 1136460 on the part number. I didn't get the vin number assuming I could find info by the part number. Also, it has a single v-belt pulley/clutch on it. Would this interchange with the Seltec universal compressor sold by AMA? Thanks for any info.

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roger

TRB on Fri March 14, 2008 12:45 PM User is offlineView users profile

Don't think Delphi ever made a compressor that would replace the universal Sanden or Seltec.

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GM Tech on Fri March 14, 2008 3:17 PM User is offline

That's too easy- the part number 1136460 has a "6" as the fourth digit--obviously an H-6 family!! the key to getting what you wanted to know should be the year of the truck it came off of.....but I'm assuming it has been long seoarated from the truck. So, I'll help you out some more......

To look it up further- it has an HDS rear head - which means this is a service compressor- that replaced an HR-6 -that was an R-12 model been built around 1986- since it has the single groove pulley for a Vee-belt The trucks that model were used on were the old style K-blazers and Jimmys- not the S-10 tyle but the short tall boxy Blazers/Jimmys......

If you look at the "code" on the label it will tell you when this service compresor was built- I know it has to be sometime after 1994- because it uses the HDS rear head feature........

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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

BigR on Fri March 14, 2008 3:24 PM User is offline

The code on it is 052870409. a date didn't jump out at me. Are these good compressors or crap? I'm rebuilding my a/c system that originally had a A6 compressor but that and the brackets are long gone. I was attracted to the single v-belt clutch on it. Could this be rebuilt by a mechanically inclined novice?

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roger

Edited: Fri March 14, 2008 at 3:34 PM by BigR

GM Tech on Fri March 14, 2008 4:10 PM User is offline

That compressor was built 5/28/97 at 04:09 am so it is not that old- It is a good unit- look at the "belly" o-rings- does there appear to be any oily residue about the cylinder to cylinder or cylinder to head seals? - You could have gotten most any GM compressor- and the clutch and pulley would transfer to it- the single groove is what you need- but I would have worried about that last--the port location and the mounting ears and sbrackets would be my first concern- the pulley is the easy part....

-------------------------
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

BigR on Fri March 14, 2008 4:16 PM User is offline

The compressor is still at the wrecking yard. I figured I should do a little research on it to make sure it was worth getting. Thanks. I will have to fab my own brackets but it looked like it was setup for what i need.

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roger

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