We've had this unit for about 3 months. Last week, the exhaust fan started making a really loud, consistent noise whenever the exhaust started to run. I took the casing off the unit, but can't get to the fan to see what the problem might be. I know Windchaser offers placement parts. Is this something I can realistically do myself, or should I just get them to replace the unit?
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i have a 2001 crown victoria was driving down hwy car made loud noise and shut off had it towed home got it started and has NO power almost couldnt get i in drive way, had been making a slite noise before that and bucking for about 4 months in the last 3 weeks noise was getting louder. Was told could be timing chain how likely is this and how do i check it.
2008 GMC Envoy is only equipped with one of two engines: 4.2L (254") 6-Cylinder SFI 5.3L (325") V-8 SFI
Niether of these engines are equipped with an EGR valve, so I guess the probability of that being the cause of your noise is pretty much zero to none.
If you believe the noise is being caused by the exhaust ststem, then the only way to verify that is to inspect the exhaust system. Leaks are easier to verify with the engine running.
With that said, there is also a Technical Service Bulletin (TSB) that is published by GM that addresses customer complaints about loud noise that is being caused by the electro-viscous engine cooling fan clutch. Some people describe it as exhaust noise and others describe it as the engine "racing" or "roaring".(even though the tachometer (if equipped) will be reading normal)
It basicly says that it can make noise on startup due to high rpm of the fan which goes away once the electric solenoids open and allow the fan to start free-wheeling. GM says this is normal operation. You might want to check to be sure this is not what you are hearing. (it can be pretty loud)
My Toshiba dlp 62hm116 was used for 3 months then stored for 2 years, I turned it on yesterday and it makes a loud grinding noise which I think is probably from the exhaust fan area and the picture is black except white at both vertical sides. It worked fine the last time I used it 2 years ago. Any ideas?
Check the fan blades and see if it's being restricted.Another method is remove the fan blade turn the unit on and see if it spins if it doen'nt tap the motor gently and see if turns.If this works the motor brushes are worn
You can remove the exhaust turbine unit with one screw and reinstall microwave and buy a braun external exhaust unit that fits over the hole where it is at the roof or wall and all of the noise will be outside and it will actually work. It is weather proof and will **** steam or fumes out like the best vacuum cleaner.
We had our house built with the same Nutone fan/light units in all 4 bathrooms. Moved in in 2002. One of the units starting making a loud noise last month. I popped the plasic cover off the light, then carefully pulled out the bulb, then unscrewed the wingnut in the middle. That allowed removal of the light assembly. Then I had access to the blade and motor. I found a lot of dust had collected on the motor and blade. I blew most of it off with compressed air (like what you would use on a computer), then used an electronic cleaner on the motor, then wiped off the blade and motor with a clean cloth.
I then crossed my fingers and turned on the fan.... It worked! It was quiet again. I waited a week before posting this. The fan is used every day. It is still quiet today.
If it ever needs replacing, I saw that Nutone sells the motor alone for about $22, that's a lot better than replacing the whole unit for around $70.