Need HELP QUICK.

[James1379]

I test drove a 09 Tahoe LS 4wd. When I put it into 4 low, the traction control light come. It shifts into 4 low after about 5-7 seconds. It jerks and when I take my foot off the escalator it feels like the truck falls on its face. Please help. I traveled 5 hours to look at this Tahoe and need to find out how big of a problem this is.

 

[CptJumbo]

Sounds normal for a vehicle in Low Range.. Sudden jerk of all 4 tires grabbing and then while moving it grabs a lot, then when you let off the accelerator it should rapidly decrease momentum. Would have to see to tell you for sure though.