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a/c clutch engaging hard

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Old 05-09-2016, 06:12 PM
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a/c clutch engaging hard

2003 single wheel one ton ~185,000 miles.

Never had to service the a/c system other than adding 134a last year.

Since it's started warming up I've noticed the a/c clutch is engaging harder than normal, making a loud clicking noise when engaging.

134a checks good.

Compressor doesn't seem to be making any noises once it's turning.

I feel like I'm about to lose a compressor, is there anything I can do to remedy the issue or at least prolong the compressor's life?
Old 05-09-2016, 06:41 PM
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Originally Posted by jeredstaton
2003 single wheel one ton ~185,000 miles.

Never had to service the a/c system other than adding 134a last year.

Since it's started warming up I've noticed the a/c clutch is engaging harder than normal, making a loud clicking noise when engaging.

134a checks good.

Compressor doesn't seem to be making any noises once it's turning.

I feel like I'm about to lose a compressor, is there anything I can do to remedy the issue or at least prolong the compressor's life?
Mine has been doing the same thing for quite awhile, don't know whats causing it. At times it does not engage as hard as other times.
Old 06-26-2016, 11:47 AM
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Originally Posted by jeredstaton
2003 single wheel one ton ~185,000 miles.

Never had to service the a/c system other than adding 134a last year.

Since it's started warming up I've noticed the a/c clutch is engaging harder than normal, making a loud clicking noise when engaging.

134a checks good.

Compressor doesn't seem to be making any noises once it's turning.

I feel like I'm about to lose a compressor, is there anything I can do to remedy the issue or at least prolong the compressor's life?
Mine has been doing that the last couple years. I think yesterday it went out. On a 450 mile drive, 75 mph on freeway in 100 degree weather, it just stopped cooling. I pulled over and looked and the compressor clutch no longer engages. I also smelled something hot/electrical coming from under the hood. Just a faint smell. Now I'm researching before I just start replacing parts, but I believe it's the compressor.
Old 06-27-2016, 10:19 AM
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Clutch may be on its way out. Mine did this for 2-3 years, then just quit. Found compressor and clutch unit online and just replaced the assembly. You may be able to find a clutch, but will have to hope the old one pulls off ok then set the air gap, not hard, but I felt 10 years was good service for orig. compressor.
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