S-10CREWCAB.NET

I think I may have found the rattle under the dash. There is a vent which I believe is for the A/C located under the dash, behind the ash tray. When the truck idles, it sounds like something is rattling in the dash. When I stick my hand under the dash and apply pressure to the A/C vent it stops and ...

I have a 2003 Sonoma Crew Cab ZR5 and want to know how to identify what ratio my Rear Axle is set at. I've only had the truck for 2 weeks and I'm just trying to get to know her a little better.

Well I still havent been able to isolate the rattle. It seems to be coming deep from the dash, possibly from engine compartment / hood hinges like you guys were saying. It was way hot today and so I didnt really feel like getting into it. Will post update later

I just bought a 2003 GMC Crew Cab ZR5 2 weeks ago. I also noticed a rattle / vibration coming from the dash. The issue seems to be intermittent but often enough for me to want to beat the living S**t out of my dash. I notice it more when I rev the engine at a lower RPM. When I start driving it goes ...