There is no adjustment on that year. You either have a worn out clutch disc or a bad clutch slave cylinder. Could be a bad clutch master cylinder too.
All the speakers in a 1991 Chevy Silverado should be 4x6 if they are stock.
if the clutch is hydraulic operated, bleed the cluth if it is mechanical cluth, adjust the linkages
No you can not. If belt is loose, are won't fit then you have the wrong belt. The belt tensioner is spring loaded and that is what tightens the belt.
3200
== ==
85 mph.
You can't aprrently on a hyrdraulic clutch, which these have that adjust automatically.
its a hydraulic clutch and needs no adjustment, if its loose it typically means its worn
Hydraulic.
It is hydraulic. There is no adjustment, it self adjusts.
Check your clutch master cylinder and slave cylinder for leaks,if no leaks,then you need a new clutch kit.
It is notadjustable, You either have a bad clutch slave cylinder, clutch master cylinder. The clutch and pressure plate may just be worn out.