Even with the key off, treat them like they can still come on. Obviously, you’d want to do this with the vehicle off. Your G8’s AC compressor should freely turn by hand when it is not engaged. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. This indicates some form of wiring problem.Ģ. The clutch is not getting a signal to turn on. It could even be missing entirely without you noticing if it is an independent belt.Īfter inspecting the belt, there can only be two things left that could be happening:ġ. It may just be that the belt can’t turn the compressor anymore. Inspect the belt to see if it is cracked or shiny. If there are two belts, they’ll both be attached at the crank pulley. Or, it may be turned by an independent belt.
PONTIAC G8 COMPRESSOR REPAIR COST HOW TO
Here’s how to about diagnosing why your AC is not turning on in your Pontiac G8:Īs stated above, your G8’s AC compressor may be turned by the serpentine belt that turns all of the engine accessories. If that’s the case, jump to this article: Pontiac G8 AC Not Blowing Cold. There’s most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working).
If you hear a “thunk” or “clunk” noise after turning the AC on, the compressor is engaging. If this clutch doesn’t grab, the AC compressor will not turn on.īefore opening the hood to see if there is anything wrong with the AC compressor, start the G8 and turn the AC off and back on a few times. It uses a clutch to grab the pulley and cycle coolant through your G8’s AC system. The AC compressor pulley is always being turned by either the serpentine belt or a dedicated belt (it’s going to depend on the model year and engine type).
No matter where you live if your Pontiac G8’s AC compressor is not turning on, it can turn a pleasant commute into a nightmare (particularly if you have kids that are riding with you).
0 kommentar(er)
