It is hard to say what you want to "adjust". I assume your door is not lining up and you have to slam the door really hard to get it to close. This is not an adjustment problem, it is caused by worn hinge pins. You can pick up new hinge pins at any auto parts store for about $20.00.
From 1988 to 1999 will fit.
1988 through 1999 Chevy TRUCKS have the same chassis
How do you adjust the doors on a dodge ram truck 1500
the ones in the door are 6.5...but depending on the speaker a 6 inch will fit too
In a 2000 chevy Silverado 1500 z71 the front door speakers are 6.5"
Replace door moulding
Where is the door lock module for 98 chevy Remote
Front Door Speakers are 6-1/2"
There are no ajustments for the hinges they are welded. NEUTZ
Let a body shop do it as it might also need new door bushings.
I have a 1999 gmc 1500 sierra,need to replace door pins and bushings.door sagging.
The hinges on a 1992 Chevy S-10 are on the side. If any adjustments are needed for the door they can be made through there.