yes
No.
That is NORMAL, The holes go all the way through the water jackets. Just be sure to seal the bolts with alittle sealer. You have no problems.
The egr valve is on the top of the engine in the front it is plugged into your wiring harness and has two bolts holding it on, it is shaped like a cylinder and is next to the water jacket on the engine.
To the left of the thermostat housing, It screews into the intake water jacket.
89 inch lbs.
try tread lock.
there are 8 freeze plugs on the water jacket and 6 oil freeze plugs however you will have to pull the engine to get to the back of the motor to replace the 3 oil and 2 of the water jacket plugs
In a 1996 350 LT1 Chevy model, the water pump pumps water into the heads directly through?æa hose. The water does not flow through the?æinternal water jacket.
bad door seals
The heater core can be found behind the passenger side kick plate. Remove the water supply hoses from your 1996 Chevy Impala heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
Take the bolts of the fan blades
If you got all 4 bolts out then hit it with a hammer. It will come off.