A/C Compressor Thump - Ford Powerstroke Diesel Forum
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Old 12-02-2009, 10:13 AM
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A/C Compressor Thump

This may have been addressed already. When I'm running my A/C and the compressor comes on I feel a thump. This has been called out in a TSB (09-4-1 03/09/2009). Is this a serious issue? What's the resolution?

As I have a good deal of aftermarket add-ons, I'd rather stay away from the dealership.

Thanks guys.
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Old 12-03-2009, 08:07 PM
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Updated part is the accumulator. Don't think there's any adverse affects on the system if you ignore it. It's a pain in the *** noise though.
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Old 12-11-2009, 08:50 AM
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ac noise

I just got mine out of the shop this week and they changed the AC suction
acumulator I think this what they called it. No more noise.
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Old 12-11-2009, 09:05 AM
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AC Thump

My dealer tells me not to worry about this issue. Are you aware of any long term issues that may arise if this is not repaired?
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Old 12-11-2009, 09:15 AM
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ac noise

I did not notice any averse effects. I just mentioned it when I had it in for something else. I has been doing it for some time with no effects at all. Just anoying.
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Old 12-11-2009, 09:23 AM
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BTW -- the TSB that has been quoted doesn't apply to super duty, or a diesel engine at all for that matter, LOL

But there is a TSB for this. I don't forsee any adverse affects to not changing the accumulator, and let me tell you this. The job pays 1.0 hour to do, and it's NOWHERE NEAR ENOUGH TIME.

Bring vehicle into shop, verify concern. Go to parts and get part if it's in stock. Reclaim system, remove inner fender, replace accumulator, reassemble, evac/vacuum system, recharge, test operation, fill out paperwork, return warranty part in the box, park vehicle, hand in workorder and keys.
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Old 12-11-2009, 09:36 AM
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ac noise

Thats the problem with warranty work, you very seldom can beat warranty time. I am in a Nissan dealership. But on some jobs you can.
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Old 12-11-2009, 09:49 AM
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Yeah, the problem with Ford though, is the hero all stars on the Ford site will go and brag about how fast they can do stuff on the FORD RUN message board...and then the labor time gets slashed accordingly.

R&R on a 6.0? 12 hours, OUT, IN and parked outside.

Bull...
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