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Murray Auto parts makes an AC Deslugger Kit which they call a "Climate Control Clutch Timer". This is supposed to help the AC Compressor slugging problem which GM stated in their bulletin TSB # 03-01-38-019A. I believe it can be used with many different make cars. Has anyone used it and does...

OK folks. I received no replys, but I did resolve the problem. The noise came from the AC compressor belt tensioner, which I replaced. But that is not the source of the problem. The AC compressor develops a slugging problem which will cause Belt Tensioner and Belt failure. And eventually...

2003 Tahoe. I've maintained it since new myself. I have an engine compartment noise which sounds like a ratcheting sound. It occurs at about 2500 rpm. Above and below 2500 it does not appear. Very noticeable when engine is cold. Seems to go away when the engine is hot. Sound occurs both at...

Scrtcell : I cleaned on Jan 9th, checked for air leaks, could not find any, replaced both oxygen sensors and the PCV valve. The codes went away for three weeks, then came back. Same codes. I was doubtful that it was the mass air sensor because the engine runs fine. I have had the Mass air...

Can a mass air flow sensor be defective giving the codes P174 and P171 together even though the engine is running very smoothly? No problems at idle or accelerating.