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fs10 compressor seizing

customfoam on Thu April 02, 2009 3:48 AM User is offline

Year: 93
Make: ford
Model: f150
Engine Size: 5.8
Refrigerant Type: 134

What could be causing compressor to seize, Ive cleaned all replaced accumulator,OT, flushed lines, condensor and seems like oil is maybe not circulating, air can be circulated inside the system no restrictions, what else could this be? this happened after vaccum on the first can.

Chick on Thu April 02, 2009 5:13 AM User is offlineView users profile

Your original compressor was a FX15, and “if” that one suffered a catastrophic failure, you can bet it’s insides are in the condenser and elsewhere thru the system. You didn’t post enough information as to what you did, pressures, high and low, when you were charging the system.. Was any other parts changed, was the system flushed? (keep in mind if your truck had an efficient condenser, it may need to be replaced now).
Was the compressor new or used, reman? At a minimum, the system will need to be disassembled, each component flushed vigorously, then reassembled and the proper amount and type of oil added back, then a deep vacuum pulled and recharged into the vacuum.. Hope this helps..


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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

customfoam on Sat April 04, 2009 2:12 AM User is offline

I was thinking maybe since the condensor was not pulled out I was not able to flush it good enough were it puddled and did not let the oil recirculate, my pressure on high barely reached 150 and my low reached 75, suction was not to good. as far as the other components I did remove them and flushed them and replaced OT and accumulator, I did check the otube and there was no debris on it.

customfoam on Sun April 05, 2009 3:08 AM User is offline

how can you tell the difference between fs 10 & 15?

customfoam on Sun April 05, 2009 3:13 AM User is offline

when the compressor seizes, what is done to release it? fs10 comp

Chick on Sun April 05, 2009 4:48 AM User is offlineView users profile

Outward appearances are identical, but the FX15 has 21 teeth on the spline, where the FS10 can have 21, but most have 18 I believe..Meaning the outer hub from an FX15 usually doesn't fit the FS10..
I believe Ford dropped the Black death FX15 in 1994 when they went with R134a..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

Edited: Sun April 05, 2009 at 4:49 AM by Chick

TRB on Sun April 05, 2009 7:45 PM User is offlineView users profile

Quote
Originally posted by: customfoam
when the compressor seizes, what is done to release it? fs10 comp

Nothing you replace it with a new compressor. Along with all the components under the hood and flushing the evap core.



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bohica2xo on Mon April 06, 2009 12:17 AM User is offline

Releasing siezed FS10 compressors is just a few simple steps:

1) Release belt tension, remove belt

2) Remove refrigerant lines from compressor.

3) Remove compressor bolts, remove compressor.

4) Holding the siezed FS10 over the nearest trash can in one hand - open your hand & RELEASE IT. If it bounces out of the trash can, and re-installs itself you may consider it properly repaired. Otherwise, just buy a new one.

B.

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"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

customfoam on Mon April 06, 2009 12:25 AM User is offline

very logical, thanks

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