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the fourth hose to the diverter valve

3K views 4 replies 3 participants last post by  Seattle FSB 
#1 ·
I have three large hoses going to the diverter valve, and one open vacuum fitting on the bottom. looks like a 3/16 hose goes there. where is the other end of that hose?
 
#3 ·
it turns out I have a major vacuum hose disconnection infection.

a brown plastic tube that connects to the top of the rear solenoid in the middle
a black plastic tube that connects to the bottom of both solenoids in the middle
and the bottom of the diverter valve

all disconnected
 
#4 ·
#5 ·
Does it look something like this? It would be nice to know your vehicle specs - year, engine/ transmission, etc. :twak



Thermactor Air Diverter (TAD) Valve - located near Firewall



Thermactor Air Bypass (TAB) Valve - Located passenger side



TAB/TAD/EVR Solenoids - Located driver side



Solenoid Vacuum Lines



Vacuum Reservoir (VRES)



1990 OEM Vaccum Line Harness



1990 Vacuum Hose Routing
 
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