1998 GMC Sierra 1500 Consumer Discussions

Chevy Silverado and GMC Sierra 4x4 Questions

Re: 1998 GMC Sierra 1500 4 wheel drive problem [osweeks]

Written by: pillarll on Feb 04, 2008 11:08 PM

Hi I have the same problem I think. My splines look fine though on the two shafts. I have been through the entire front-end and cannot find anything else. May I ask how you discovered your problem and which part(s) you are planning on replacing? Is there any way the actuator is not engaging fully in your opinion? If you have already fixed your 4 wheel drive what was ... Read More...

Re: 1998 GMC Sierra 1500 4 wheel drive problem [osweeks]

Written by: osweeks on Jan 14, 2008 07:07 PM

I found out what the grinding noise is. The splines in the front (4wd) diveshaft, where the 2 halves join, are slipping. I went to a couple of parts stores and they had never heard of that happening before. The shaft is $204 dollar with exchange, not that bad but, before I change it has anyone else heard of this happening? I would hate to change it if something else was ... Read More...

1998 GMC Sierra 1500 4 wheel drive problem

Written by: osweeks on Jan 08, 2008 05:43 PM

My 4 wheel drive went out this past week without any warning. I backed up to turn around and when I put it back into drive it made a grinding noise and the front wheels quit pulling. I tried several times and it would never engage again just the grinding, like gears not fully meshed. When I push the button it feels and acts like it engages 4hi and/or 4lo. I've read most ... Read More...

Chevy Silverado/GMC Sierra - Owners hangout

Seat Bracket Part Number

Written by: flyfshr on May 14, 2005 08:00 AM

The passenger seat bracket has stopped functioning. It doesn't catch anymore, just goes all the way back. I'm trying to locate a replacement but need a diagram or part number. I have a 1998 GMC Sierra 1500 Extended Cab. Anyone able to point me in a direction to locate this? Any assistance greatly appreciated. Read More...