You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
to keep the hose from collapsing
Power steering hose
Disconnect the lower hose
Most GM PCV valves fit into a rubber grommet in the rocker cover and are connected to the throttle body by a hose.
Usually at engine end of upper radiator hose in housing
located n housing at end of upper radiator hose.
metal hose attached to front of water pump
The 1996 Deville drain plug is in the bottom of the radiator close to the bottom hose. It is in a very hard place to reach.
Im trying to re hose my hoses and i dont know where the hoses go
waterpump or radiator hose
I couldn't find it on my '96 either at first. The dip stick is located under the large hose connected to the air filter housing. It's probably the same on a '97.
Should be in a removable housing at the engine end of the upper radiator hose