Possible loose convertor bolts.
you get in and drive
I have a 1997 GMC 1500 4 Wheel Drive. When engaging 4 wheel drive there is a popping noise (different than and in addition to the normal sound of it engaging) and it does not always engage. Then it will even have a popping noise once engaged. Any ideas? Thank you for your input. Stan
I have 2 of these cieras and NO they are front wheel drive, the cutlass supreme is real wheel drive
The 2001 GMC Sierra-1500 has rear wheel drive.
The 2009 GMC Sierra-2500HD has rear wheel drive.
The 2013 GMC Sierra-1500 has rear wheel drive.
The 2003 GMC Sierra-1500 has rear wheel drive.
The 2005 GMC Sierra-2500HD has rear wheel drive.
The 2007 GMC Sierra-2500HD has rear wheel drive.
The 2012 GMC Sierra-2500HD has rear wheel drive.
The 2009 GMC Sierra-1500 has rear wheel drive.
The 2012 GMC Sierra-3500HD has rear wheel drive.