Ticking
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Junior User
Joined: Nov 2010
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From: Texas
Ticking
My truck's been making a ticking sound since the day I bought it about a year ago, and it's only when the AC's on, does anyone know what it could be and how it could be fixed? It's a 2000 F250 XLT 5.4 also, thanks!
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Joined: Jul 2010
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From: Fort Worth
If it is only when the A/C is on, I would say it is in the A/C compressor. Now, the 5.4 will have a a ticking sound from worn cam phasers as it ages, but the noise would be constant while the engine is running.
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From: Texas
Thank's, yeah, it only ticks when the AC's on, right when I turn it off it quits, I'll check the compressor in a few
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Junior User
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From: Texas
Well she's pushing around 195,000 so that could be a big possibility
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Junior User
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From: Texas
I just checked and surprisingly not one of them are broken off, I think it's the AC, because it quits when I turn it off and starts when I turn it on, that's gotta be it
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JL
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Did tightening the spark plugs make the ticking stop when the A/C is on??? Doesn't make sense, start looking/listening with a mechanics stethoscope around the compressor. This kind of reminds me of putting a zip-tie around the driveshaft of my buddies truck, it would slap the bottom of the cab when he drove around and freaked him out. He kept saying he was getting a ticking sound when moving and took him forever to find the zip tie.
