It might also make a pop/clang noise because of torque build-up in the drivetrain. The hollow driveshaft acts as a gong.
Doing a 4WD test on dirt or gravel is recommended, not pavement. And to remove torque build-up for the safest possible disengagement, drive in a straight line back and forth a couple of times for 50-100 feet. But it's not critical. The system can take it, as long as you're following the Owner's Manual requirement to not do it on pavement.
Yeah...I used to get that when I exercised my TC every week. Now, since I have a gravel driveway, I just back up a few feet to unload the drivetrain. Also put it in neutral when switching out of 4LO. Makes a happy sound.....Good luck.
1 - 5 of 5 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum
A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, towing capacity, maintenance, and more!