Valve cover on driver side, see the grommet with the vaccum hose sticking out of it. Pull up on the hose.
The thermostat is located on the engine on a 1998 GMC Sierra 1500 standard. The thermostat can be found by following the upper radiator hose directly to the thermostat,
driver side, engine compartement
tank in the fuel tank.
Its located inside the valve core on the right rear tire. You must remove valve cap and use a good flashlight to see it on the sierra.
The EGR valve is located on the intake manifold,behind and to the passenger side of the throttle body.
NO.. They are a different type.
I have a 1998 GMC 1500 sierra 5.7 350 4x4 and it is 0.060
Bottom of the radiator.
how do you change ash tray light bulb in a 1998 GMC Sierra 1500
Under the bed , on the rear passenger side of the fuel tank.
It is on the Valve cover.