a/c making a knocking sound?
#1
a/c making a knocking sound?
so my 07 mustang started to make a knocking sound when i turn on the a/c how do i fix this???
while i was trying to fix the a/c i noticed that my left tail light went out completely. my hazerd lights still work and i have checked for burned out bulbs but non of them were burned out????
please help
while i was trying to fix the a/c i noticed that my left tail light went out completely. my hazerd lights still work and i have checked for burned out bulbs but non of them were burned out????
please help
#2
Legacy TMS Member
The two are *probably* unrelated, but the left tail lamp is either a bad connection at the pigtail at the lens... OR there's a water issue with the smart junction box on the right side kick panel area. Been known to happen. Excepting these, it's wires somewhere in the car or the lights/sockets.
The ac knock... a little more descriptive might be in order, however, if it's in the compressor under the hood, well, that's a new compressor. Perhaps a clutch. MAYBE an idler pulley or such. If it's in the dash, then... well, I don't exactly know what'd cause that.. or anywhere else, actually, unless the fan is hitting something. Overall, that's a take it somewhere where you can get an expert to diagnose it kind of thing when it comes to AC stuff. You will drive yourself nuts if you don't know what you're doing on that stuff. Plus, there's laws about the refridgerant that you don't wanna really mess with.
Hope that helps in some way. Good luck!
The ac knock... a little more descriptive might be in order, however, if it's in the compressor under the hood, well, that's a new compressor. Perhaps a clutch. MAYBE an idler pulley or such. If it's in the dash, then... well, I don't exactly know what'd cause that.. or anywhere else, actually, unless the fan is hitting something. Overall, that's a take it somewhere where you can get an expert to diagnose it kind of thing when it comes to AC stuff. You will drive yourself nuts if you don't know what you're doing on that stuff. Plus, there's laws about the refridgerant that you don't wanna really mess with.
Hope that helps in some way. Good luck!
#3
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if it starts when you first turn on air and goes off after a few seconds it your blen air door actuator. my wife's flex started doing it but only when you turned a/c off while and turned it back on, fixed under warranty.
#4
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I am unable to diagnose your vehicle. I recommend you have your dealer take a look and make sure there is nothing going on. If you need further assistance, please don’t hesitate to PM me.
Andrea
#5
Just took my 2012 Mustang in for a knocking noise. When I start the car (whether the a/c is on or not) and then again if I turn on the A/C. I'll try to attach a video. Noise seemed to be behind dash not in the engine.
The car was fixed in approx 2 hours and here's what is on the invoice:
cause: N33
19616B Motor Assembly - A/C DOOR ACTUATOR (Defrost)
Replace (18A318/19E616) - L
1 part # AR3Z*19E616*E MOTOR ASY
No price on the invoice since it was under warranty.
The car was fixed in approx 2 hours and here's what is on the invoice:
cause: N33
19616B Motor Assembly - A/C DOOR ACTUATOR (Defrost)
Replace (18A318/19E616) - L
1 part # AR3Z*19E616*E MOTOR ASY
No price on the invoice since it was under warranty.
#6
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Join Date: October 25, 2010
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Just took my 2012 Mustang in for a knocking noise. When I start the car (whether the a/c is on or not) and then again if I turn on the A/C. I'll try to attach a video. Noise seemed to be behind dash not in the engine.
The car was fixed in approx 2 hours and here's what is on the invoice:
cause: N33
19616B Motor Assembly - A/C DOOR ACTUATOR (Defrost)
Replace (18A318/19E616) - L
1 part # AR3Z*19E616*E MOTOR ASY
No price on the invoice since it was under warranty.
The car was fixed in approx 2 hours and here's what is on the invoice:
cause: N33
19616B Motor Assembly - A/C DOOR ACTUATOR (Defrost)
Replace (18A318/19E616) - L
1 part # AR3Z*19E616*E MOTOR ASY
No price on the invoice since it was under warranty.
Deysha
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