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A/c Is Annoying Me

jro909

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jro909 Senior Enthusiast

jro909

Posted
Posted

my 04's a/c works well, cold as ice but god it has some annoying tid bits with it

 

1) vibrates the whole cab at idle, idk why but it does...not always but mostly when the humidity is high

 

2) kicks like a donkey on the firewall at idle...try explaing that to a date "oh yeah thats just my a/c getting its king kong on"

 

3) the constant rise and fall of power when the clutch unlocks and locks...i drive alot of highway and my god it drives me insane

 

the a/c belt itself is brand new and the a/c itself is really cold in the truck when its on, i assume its normal for all of this?

nickvrebel Senior Enthusiast

nickvrebel

Posted
Posted

when was the last time you cleaned the throttle body on the engine?

 

how many miles are on the truck?

ChevyTech77 Senior Enthusiast

ChevyTech77

Posted
Posted

Holy F, this weeks new complaint..........

 

Dude, the knock noise, when it engages, at the firewall, is a dessicant bag in the receiver/dryer that is being slammed around when the pressure jumps from the system coming on. Repalce the receiver/dryer.

 

Shakes the whole cab?? Are you serious?? I'm not so sure it's even possible but you might want to look at your compressor, to make sure that it isn't falling off the engine, look at your receiver/dryer to make sure that it is solidly mounted and look at your blower motor to make sure something isn't getting into the housing and the fan is kicking it around.

 

If you can notice a severe amount of power difference, while driving down the highway, when your a/c kicks on and off they your 5.3 is tired as a mo'fo or you need to use cruise control more often.

jro909 Senior Enthusiast

jro909

Posted
  • Author
Posted

120k on the ticker....let me elaborate a bit more on the "shaking the cab" i sort of took that a bit far...its more of a sending vibrations through the dash and paneling

 

where is the dryer located? i'm not going to go out and put a bullet in the truck because of these issues, i've lived with them for years but its just like what the hell is this normal?

ChevyTech77 Senior Enthusiast

ChevyTech77

Posted
Posted
120k on the ticker....let me elaborate a bit more on the "shaking the cab" i sort of took that a bit far...its more of a sending vibrations through the dash and paneling

 

where is the dryer located? i'm not going to go out and put a bullet in the truck because of these issues, i've lived with them for years but its just like what the hell is this normal?

It's the big can that is inline in the large a/c line, near the firewall.

CapitalTruck Senior Enthusiast

CapitalTruck

Posted
Posted

Mine kind of does the same thing, though the vibration really isn't there. The power change is definitely there though. When I'm sitting at a stop in a traffic jam mine kind of gets less than cold. But man, when I am moving (especially if I'm in recirc mode) it gets good and cold. To the point where even in south Texas I have to put a little warm into it. Though D.C. could be south Texas here at the moment...it's 101 currently outside.

KMGZ400 Senior Enthusiast

KMGZ400

Posted
Posted

i HATE the power loss with the AC on... very annoying... an when my AC is on, my truck makes a ticking noice from the outside, that i can hear with my window down and its pretty annoying. and i do not drive with the AC on and window for the smartasses who would question

KMGZ400 Senior Enthusiast

KMGZ400

Posted
Posted
Holy F, this weeks new complaint..........

 

 

If you can notice a severe amount of power difference, while driving down the highway, when your a/c kicks on and off they your 5.3 is tired as a mo'fo or you need to use cruise control more often.

 

 

haha

 

 

 

both of my 5.3's and my 4.8 all noticeable loose power with the AC on, they always have

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