the TB
the holes x5 yellow arrows, seen here must be blocked... the red arrows must flow air for vacuum ports. the 5 x holes must be blocked. IAC hole open.
![[Image: 90-TB-bottom1.jpg]](https://fixkick.com/IDLE-AIR/Slide_Show/images/90-TB-bottom1.jpg)
like this.
![[Image: P3.jpg]](https://fixkick.com/IDLE-AIR/Slide_Show/images/P3.jpg)
below note how 2 hoses fit map this is the anti moisture freeze protection. (one hose may not freeze with moisture is the hope) hose 24 a and b.
19 not clog.
![[Image: 89-VAC-Routing.jpg]](https://fixkick.com/IDLE-AIR/Slide_Show/images/89-VAC-Routing.jpg)
make sure the Brake booster can, diaphragm is not cracked as this can cause huge vacuum leak. for sure too much at cold start.
even block the booster hose (huge) with large cork to test this theory. ( do not drive with booster off line, brakes will take huge foot force to work.)
the holes x5 yellow arrows, seen here must be blocked... the red arrows must flow air for vacuum ports. the 5 x holes must be blocked. IAC hole open.
like this.
below note how 2 hoses fit map this is the anti moisture freeze protection. (one hose may not freeze with moisture is the hope) hose 24 a and b.
19 not clog.
make sure the Brake booster can, diaphragm is not cracked as this can cause huge vacuum leak. for sure too much at cold start.
even block the booster hose (huge) with large cork to test this theory. ( do not drive with booster off line, brakes will take huge foot force to work.)
http://www.fixkick.com