Question about 2003 Buick Century
Have a dual control airconditioning and heataer in my 2003 buick century. When I had the a/c running on maximum blast yesterday, it started making a loud noise. When I turned a/c off the noise stopped, but when I turned a/c on again it started making that same loud clicking noise almost like a belt was broken. The a/c still works and gives off cool and cold air, but the noise when it is on is very annoying.
FROM YOUR DESCRIPTION IT SOUNDS LIKE THE A/C CLUTCH ON YOUR COMPRESSOR IS GOING BAD. U EITHER HAVE TO GET CLUTCH REPLACED BY EXPERIENCED COMPRESSOR REBUILDER OR REPLACE COMPRESSOR AS A WHOLE
Posted on May 07, 2012
had the exact same problem turned out it was the air temp. actuator motor part# 604107 from rockauto.com for like $35.had to pull out glove comp. and black panel by feet to get to it ,good luck!!!
Posted on Jun 01, 2009
u need to buy the special coolant to your car i have the same car whit the same problem and is cause to the incorrent cooland the cooland to your car is the DEX-COOL if u dont find that u need some hit (silicate-free)
Posted on Apr 29, 2009
It sounds like a actuator is bad or not getting proper vacuum to open or close on demand.
here is a diagram of your system
Posted on Jun 17, 2009
Under the dash behind the glove box(remove glove box)there is a vacuum connector with multiple vacuum lines of different colors,held in by a small nut on a long stud.Carefully remove the nut,and the vacuum connector,spray silicon spray into the vacuum lines,male and female ports.Replace the vacuum line connector back on.Also look for a vacuum line on passenger side of vehicle,near the firewall,and check the small check valve on the vacuum line and the vacuum line itself for sucking together,and breakage.If all this is o k,and the spray didn`t work,the control head for the temp control is not good
Posted on Jul 25, 2009
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