Need a routing diagram for a serpentine belt on a 1988 chevy blazer 2.8

you did not specify what engine.
google 2009 chevy impala serpentine belt Diagram


copy and paste

https://www.justanswer.com/chevy/3ruw6-need-serpentine-belt-diagram-2006-chevy-3-5-lt.html

https://www.fixya.com/cars/t15630016-diagram_serpentine_belt_2009_impala_3_5l

GO TO AUTO ZONE..........FREE

Serpentine Belts are relatively easy to replace with just a wrench. Locate the tensioner (spring loaded) and when you move it CW it will loosen the belt. There should be a diagram of the belt routing on the frame close to the battery, if not it will also be in your owners manual.

how do you route a serpentine belt for a 1988 chevrolet 350 ci with a ac. and airpump 2500 series truck

Drive belt routing-1994-95 4.3L, 5.0L and 5.7L engines, C/K series (without A.I.R.)

Drive belt routing-1994-95 4.3L, 5.0L and 5.7L engines, C/K series (with A.I.R.)

here are 4 diff. type of diagram.
Depend on how many pulley you have.
Let me know if this help you.

i am not sure what you are asking if its for the drivebelt give this website a try www.webcrawler.com and i also would like to give you this information ifyou every have any hard to find GM parts they sells only Gm parts its Schram auto & truck parts 1-800-292-1032 and they website is www.schramauto.com take care Michigan Man.

most auto parts store will print you one for free .

Doesn't it have a diagram on the radiator top cover, just under the hood?

Lou