Drain the cooling system.
Get a big slotted screwdriver and push down on the spring-loaded screws on either side of the cap and turn them outwards.
Century, Regal, Grand National, LeSabre, Electra, Skylark, Skyhawk
RIGHT NEXT TO THE BATTERY IN THE LITTLE BOX WITH FUSE ON TOP OF IT
This is not easy. Get a manual on your car from DISCOUNTAUTOREPAIRMANUALS.COM
To replace the oil pan gasket on a 1983 Buick Skylark, start by draining the engine oil and removing the oil pan bolts. Carefully detach the oil pan from the engine block, ensuring you don’t damage the pan or block. Clean the mating surfaces thoroughly, then place the new gasket on the oil pan, reattach it to the engine, and torque the bolts to the manufacturer's specifications. Finally, refill the engine with oil and check for leaks.
Diagram for vacum line / heater lines for 1983 nissan 280z
Take to a shop, there is about 25 or 30 blots to take out and not easy to get out
Are you asking about the heater blower motor or the engine cooling blower motor?
No
On the bottom of the car
Yes but you will have to change the Trans and also add Chevy motort mount brackest to the cross member.
On 83 heater core 4 or 6 nuts on fire wall under hood remove hoses go into pass side and remove glovebox if needed and disconnet cables and pull heatererore box out change heat core