Questions & Answers for: conditioner knocking noise

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Question about Heating & Cooling

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...knocking noise and blowing out cold air. When I switch the thermostat to air the knocking stops and the unit works fine. It's only when I switch it to heat is when the knocking noise starts and the ...

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...knocking noise When unit goes into defrost the compressor sounds like liquid going back into compressor . Makes very loud knocking noise. Has scroll compressor with 410A freon.Does find except when ...

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Question about Zoneline AZ55H07D Air Conditioner

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Knocking Noise? I have a GE ZoneLine w/heat pump. I hear a knocking that comes & goes. Knocking for about 2mins. then slowly disappears. I checked the fans and they are clear and not hitting anything.

...knocking noise, belt eventuall LAST WEEK I HEARD A FUNNY NOISE WHEN TAKING OFF IN MY YUKON. THE AIR CONDITIONER STARTED BLOWING ONLY HOT AIR. MECHANIC SAID THE BELT HAD BROKEN. HE REPAIRED IT AND I ...

Question about 2002 Yukon XL

1 Answer

knocking noise in head unit on the RH side of indoor unit The knocking noise could be a loose moving component such as the fan and the fan motor a the motor is on the RH side and the fan motor shaft ...

Question about XHB123D X/Y Series Heat/Cool Air Conditioner

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i have a carrier hrv model va3bab015000 and i am getting a knocking noise when unit is running The blower wheel is either very dirty or just out of balance. The unit probably needs a very good ...

Question about 1997 Civic

3 Answers

...CONDITIONER COMPRESSOR AND CRANKSHAFT PULLEY.I HAVE SEEN A LOOSE OR BAD TRANSMISSION MOUNT CAUSE KNOCKING NOISE IF ENGINE ACCELERATED. sounds like you spun a bearing (connecting rod/crank bearing) I ...

Question about AGW18DH Electronic Room Air Conditioner

1 Answer

...knocking noise inside. what can I do to fix this problem? Did you remove all the packing materials that may have been inside the unit, before installing it? That may be the knocking noise you

Question about AGW18DH Electronic Room Air Conditioner

1 Answer

clicking noise occasional knocking or clanging noise... Brand new unit. cools fine something loose inside or something has fallen inside the unit.

...knocking noise when air conditioner is on. Had the timing chain replaced but dealer now says it is activator that needs replaced for additional $600. Is this possible? It's POSSIBLE, although it may ...

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