timing belt

Hope someone can help me need to know where the timing marks are for a
1989 lxi I see a line on the top cam shaft sproket and-- is-- there a
mark on the bottom sprocket or do I have to find top dead center(will
have to find the timing mark on the fly wheel) and see where the mark is
on the top sprocket (cam) as the car still is running but lacks power
the belt seems loose is there a idler ???? I'm sure there is.... Can
some one help thanks Vic

Ya gotta get ta da Auto Zonie and get onea them manual things. It gots
pictures an all sorta good stuff bout what ya talkin bout. bob

vic zarka wrote:
>
> Hope someone can help me need to know where the timing marks are for a
> 1989 lxi I see a line on the top cam shaft sproket and-- is-- there a
> mark on the bottom sprocket or do I have to find top dead center(will
> have to find the timing mark on the fly wheel) and see where the mark is
> on the top sprocket (cam) as the car still is running but lacks power
> the belt seems loose is there a idler ???? I'm sure there is.... Can
> some one help thanks Vic