You might be suffering from Hummer turning issues, vibration in the steering, hearing Clunking Sound or the Hummer Shuddering While Accelerating, etc, you may be driving the Hummer with a bad drive shaft or drive shaft – You need to repair or replace the drive shaft. At Al Zaabi Auto Care, we have expert technicians for every luxury, exotic and classic Hummer and make sure to repair or replace the drive shaft to completely eradicate the problem.