Install new intake manifold and throttle body gasket dry?

Pretty much if you using Toyota gaskets yes fell pro yes Victor generally yes this is of course you're using the middle to top line gaskets from all the manufacturers not including Toyota that's all they'll have. Just check all your services that you can with the straight edge if you think there's any questions flatness is always good.

 

Yeah dry. First link in my signature has a repair manual pdf for intake manifold. Also all the torque values. A 1/4” drive torque wrench is good for the throttle body hold-down nuts/bolts in particular: those values are quite low.

 

No. I did preemptively drain 2 liters engine coolant at the outset, which dropped the level below the EGR components, to avoid any spillage. After assembly I poured it back into reservoir, with the engine coolant vent valve* open, to allow air to escape as coolant was added.

The level in reservoir ended up a little high, but I didn’t do anything special. After a few drives it settled back down.

note too: throttle body doesn’t need to be disconnected from it’s coolant lines, for intake manifold removal.

* If you don’t have that vent valve, leaving a topmost coolant hose disconnected will also work, allow air to vent. Just reconnect once coolant starts coming out.

 

Yes that knob, but you don’t need to fully remove it; you just unscrew it a few turns and that allows air (or coolant) to escape through the adjacent spigot. You can push clear tubing onto the spigot, to avoid spillage and more clearly see when coolant reaches the top.

It’s basically a tap.