2003 chevy tahoe! shaky

[louie vulgar]

my 03 tahoe shakes when idling when the a/c is on, any ideas? please help. thanks

[maxwedge]

Moving to Tahoe forum below.

[j cAT]

Originally Posted by louie vulgar

my 03 tahoe shakes when idling when the a/c is on, any ideas? please help. thanks

if idle rpm does not remain at 500rpm when a/c is activated the IAC is most likely in need of cleaning, and clean throttle body at this time

[louie vulgar]

thank u i will give it a try!