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Turn thermotast on, fan not run but crack noise happen such as some thing broke inside housing area

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Check your indoor unit blower wheel. If broken replace it. Find seating bushes, If it worn out replace it.

Posted on Jan 02, 2011

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05 nissan maxima making a loud noise when the heater or the AC turns on but the heater and AC works need help


-Depend on what sound like...? It could be loose fan, some object hang in to the fan, or dry leave or may be some thing stuck inside the fan's housing.
-You can open from the inside and check. If find some thing, remove and turn on to find out still any noise before closed.

Good Luck


Mai

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If it is causing a bad vibration as well as the loud noise than you probably broke a blade on the fan and depending on the model you might have to get a new fan housing to get the fan blade. You should check over the fan housing as well because it might have a crack or a hole in it if the fan threw a nail against it.

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Craftsman Air Comp. 6 hp oil-less, 33 gal horz. tank - sounds really loud


Sources of noise from craftsman oil free compressors (could be Made by Campbell Hausfeld or Porter Cable) include loose fan, failing bearing/s on the piston rod and housing, failing seal ring on piston, air filter intake and loose motor mounts. With the housing cover off, check the fan blade for cracks or loose screw. Turn motor by hand till the piston is at top of stroke. Examine the cylinder for scratches close to top. If scratched, air is leaking past vinyl ring making noise and causing longer fill time. If everything looks ok, suspect noise coming from bearings. Hard to tell if bearings are failing by looking at them. I have seen many failures of the piston bearing on the crank (fairly easy to change, I use alternator bearing from auto parts ) , however, the bearing in the housing just behind the crank bearing is much harder to replacable. Good luck with your fix-it project.

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1 Answer

Make noise not all the time but squiky the noise com fron the alternator scho 2000 automatic., Noise some times stars when air condtioned is on or fan on


Are you in a state where it gets pretty cold in winter?You may have a component in the belt system about to seize up.That happened to me when I lived in NY.I heard a squeak for a while,then 1 day the belt broke.I replaced it,drove about 10 miles and it broke again.My a/ccompressor had seized.You may just need a belt but if you are going to self-repair,draw a diagram of the belt loops and after you take off the belt,turn all components and they should turn slightly freely,yet still kind of difficult,sorry it is hard to explain though.Inspect your belt for many small,slightly widening cracks,or larger cracks,or fraying on the edges.You will not be able to turn the engine belt drive.Good luck! Greg

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1 Answer

G5 Kirby Vacuum...makes a loud noise on initial startup and then runs smoothly...it does this for both the attachment and powerbase...I cleaned out the passageways...Im thinking its the belt but if thats...


check your fan for stress cracks around the center, rotate while off for resistance or any noise. these frequently crack and rub against the inside of the housing. also listen and feel for bad bearings

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1 Answer

Fan is making a loud noise by the ice maker. Sounds like it is rubing against something. It turns off when you open either door.


the fans normally stop when you open door fan probably has ice or frost in cover area remove food from area and check cover make sure not cracked and pushing in on fan also check and see that fan doesnt have plastic or foil stuck in it if ice dont have to defrost whole system clear food away and use a hair dryer on high directed on fan housing after a few min 8-10 check fan to see if ice or frost is gone

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1 Answer

Suburban 1999 abs light on dash on and doesn't work the a/c fan


If it is happening when you change the AC and Defroster Modes as Stated above, You have a Wire inside the Dash in this Location that has Shorted and is Grounding itselt to the Housing for the HVAC Controls. This could cause a fire. I would pull the HVAC Unit and try and Locate the Faulty wire Behind it.

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1 Answer

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Start by opening the freezer door and listen for a fan blowing. As long as the compressor is running the inside fan should be running. If it is running go to next item. If it isn't running that is the problem. Need to replace the inside fan.

Next step locate the defrost timer usually in the same housing that the thermostat is. Now look for a screw driver recessed area that would allow a flat screw driver to turn or advance the timer. It only turns one way so be carefull. Advance the timer till you hear a click that should be defrost. Now wait approx. 30 minutes and see if the timer has advanced on it's own. Should be out of defrost and back in cooling cycle. let me know what you find out on these two solutions. ken

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2 Answers

Outside unit will not operate


Sounds like a bad fan motor. Inside fan runs, compressor runs. Outside fan. Are your contactors pulled in when thermostat set on cool? If not might be a contactor. If contactor not pulled in touch the top of it with the end of a screwdriver. If fan spins turn unit off a buy a contactor...

Tip: Always make sure power at disconnect is off

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