Correct.
Correct.
What Stribo says. Do NOT plumb in on those 3 lines as they are for your Turbo control.
Underneath the intake manifold you'll see a vac line. 'T' in off that but makesure your to the 'intake...
The subwoofer looks like this when instaled:
31903
Renew the heater matrix unit and bleed the cooling system might be worth a try and cute it so u get hot hot hot heat again .good luck
Yep - thermostat is probably shot.
Worth doing the temperature sensor while you're at it.