on the left side of the air intake/throttle body. there are two screw that hold it in. I t sits right behind the fuel control valve.
The heater control valve (temp blend door) is located behind the dash assembly. The dash assembly has to come out to gain access to it.
located on the throttle body
The ERG valve is located on the front of the engine on a 1998 Chevy Blazer V6 4.3L. It is near the top bolted to the intake manifold.
Right under the throttle cover.
this model does not have a heater control valve, it has a specail thermostat that controls flow.
The heater temp blend valve is located behind the dash assembly. The dash assembly must be removed to gain access.
The heater control valve (HCV) is a very important component to a vehicle's water cooling and climate control systems. The HCV itself for this application can be found inline to the heater core lines.
Horn valve? Please give more info.
under the master cylinder.
If you are talking about the air idle control valve it is a little square black box with two bolts and a plug on top of your engine block.
Look in the area of the left rear of the valve cover or chase the brake booster line.
when you put drive chevy blazer 2002 ls 4wd it turns off, what's the problem