This job is being documented with the thermostat housing removed from the engine. However, it can normally be done with it still installed.

To help orient you to the housing, here are the various components:

Neck for line to top of radiator, upper radiator hose connection. This is the TOP of the housing.

Neck for line to bottom of radiator, lower radiator hose.

Neck to short coolant hose under the housing, for water pump bypass.

If you'd like to remove the housing to complete this job you can review the process in the [crwdns2936915:0crwdne2936915:0]