intake manifold vacuum line

**leviathon 88** · 08-29-2007, 09:45 PM

thanks to great white z28 i solved my original post and in all my impatience i picked up a bottle of seafoam, to help clean up any carbon build up, i was wondering i someone could point out were the main manifold vacum line is located on a 99 ls1 dose it run along the passenger side of the intake manifold B/C this were i have to put the seafoam into to clean the build up carbon on injectors/pistons/vales

**leviathon 88** · 08-29-2007, 10:09 PM

bump

**SSTODD** · 08-30-2007, 07:24 AM

pcv line is on pass. side and is the vacuum source that would work. It near the front of the engine on my 00'

**greatwhiteZ28** · 08-31-2007, 09:17 PM

Originally Posted by leviathon 88

thanks to great white z28 i solved my original post and in all my impatience i picked up a bottle of seafoam, to help clean up any carbon build up, i was wondering i someone could point out were the main manifold vacum line is located on a 99 ls1 dose it run along the passenger side of the intake manifold B/C this were i have to put the seafoam into to clean the build up carbon on injectors/pistons/vales

glad to help out, soo how is your car running now?