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Re: air conditiner 91 camry
Thank you allowing me to provide my assistance.
Is the noise that you hear a loud "humming" nosie? If so, I need you to remove the lower panel, under the glove box, (if it has one), and remove the 3 screws that hoilds the heater fan to the plastic box. After removing the fan, inspect the fan and inside the box for debris. Most likely, you will find some type of debris contained in the fan blades. This is very common, I drop 2-3 fan motors a week around this time of year. You may also find a rodent nest in the fan area.
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The only time i have encountered this problem it turned out to be a cracked fan wheel in the blower. fooled me until the fanwheel disengrated and locked up the blower motor.. could be trash in the blower too like leaves, plastic bag etc.
I do not think that the battery change and the noise for the a/c is related, probably just a coincidence.
If the a/c makes a loud noise when it is turned up, I would try switching to vent to see if the noise is still there. If it is, then it is the ventilation fan likely located on the firewall or under the dash under some plastic paneling.
1. Could be a caught foreign object between A/C (air conditioning) fan and cooling radiator, producing this loud noise. 2. Could be a damaged fan blade, mowing the cooling radiator. 3. Could be a loud noise comming from the fan's electrical motor. 4. Could be a broken off fin (small wing) of the cooling radiator, striking the A/C fan, producing this loud noise.
the a/c when running creates a lot of extra heat and needs second fan, if second fan is not working right this will cause overheating, if fan is creating a load noise it is likely bearing is bad and will not spin as fast as it should not cooling. also check that fan it not hitting anything if you describe loud noise i can give better idea
I might have a solution for you issue. First I would like to give you a few explanations.
1. If you live in an area with squirrels or chipmunks they could be the reason for the noise. If you hear a loud humming noise there is a simple fix. Just open the fan housing under the clove box and unscrew the housing and remove the acorns, Sticks, leaves or anything else that is stuck in the fan or its housing. These animals are notorious for hiding things in vehicles especially in the beginning of the colder season. I have to do this in October every year.
2. The bearings in the fan motor may need grease or even replacing. If bearings are burnt out they can also make noise.
possible low charge,possible leak,auxillary fans possibly not coming on,check you see when you turn your a/c on,do the fans get really loud occasionally,all the time,or not at all,if not at all ,you have a problem with the aux fans not coming on-