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09-05-2010, 06:48 PM
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#1 |
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Registered User
Join Date: Jan 2009
Location: phoenix,AZ
Posts: 451
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03 2500hd ac click
i drive a 2003 chevy 2500hd for work, it has a tick when ever the ac is on. this tick doent change speed regardles of speed. what could this be. Engine is a 5.7(i think) with 4l80e(i think) this is all stock with 21k on it
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09-05-2010, 10:53 PM
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#2 |
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Registered User
 
Join Date: Jan 2003
Location: Denison, Texas
Posts: 1,919
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Re: 03 2500hd ac click
Your engine should be a 6.0L, the 5.7L wasn't an option in a truck since 2000. Where do you hear the tick from, engine, dash, standing outside the truck? Our 2004 2500HD at work has a tick that comes from under the dash when the AC is on. It hasn't been bad enough to actually make me crawl under there to see whats going on though. I also had a bad vibration with the blower on anything above 2, so bad that on high you could feel it in the driver's seat. I pulled the blower, which just twists in-no tools and found some business cards stuck in the blower wheel.
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1998 GMC Sierra SLE 1/2 ton 2WD 305 Vortec -Gibson Stainless Cat Back Swept Side -SS Wheels 2005 Honda CRF250R 2006 Honda CRF150F |
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09-05-2010, 11:07 PM
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#3 |
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Registered User
Join Date: Jan 2009
Location: phoenix,AZ
Posts: 451
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Re: 03 2500hd ac click
from inside the truck, it just ticks even with blower on hi it is the same tick...tick...tick
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09-06-2010, 06:56 PM
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#4 |
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laying low
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,190
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Re: 03 2500hd ac click
It's possible one of the blend door actuators is the source of the ticking. There is a similar thread about these in the 88-98 forum.
__________________
Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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09-06-2010, 07:00 PM
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#5 |
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Registered User
Join Date: Jan 2009
Location: phoenix,AZ
Posts: 451
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Re: 03 2500hd ac click
ok, where is this thread?
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09-06-2010, 10:01 PM
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#6 |
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laying low
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,190
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Re: 03 2500hd ac click
Give this thread a look over. It might be your noise.
http://67-72chevytrucks.com/vboard/s...=clicking+dash
__________________
Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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