Autozone has a great web site that may have the repair tips you are looking for, and it is free.
Remove both heater hoses from inlet & outlet of heater core. Connect these hoses together.
You can bypass your 1988 Buick Skylark heater core by removing the heater core water supply hoses. There will be to water hoses. Connect the water hoses to each other.
There are hoses in the engine compartment that go to the heater core. You can remove the intake and out going hoses from the heater core. You have to either block off these hoses or connect them together, depending on the make of the vehicle.
Find the two hoses that go to the heater core, usually 3/4 in. hoses, and connect them. It's very simple.
Yes, just connect the heater hoses together.
Disconnect both heater hoses from heater core and connect them together
Best to get the shop manual but basically: Reomove Heater hoses from engine block and drain. Remove glove box. Disconnect cables that connect to heater core. Disconnect heater core from firewall. Disconnect hoses from heater core. Pull heater core from under dash.
If you look from the engine compartment you will see the 2 heater hoses that connect to your heater core at the firewall towards the passenger side
Simple, take the inlet and outlet hoses going to and from the heater core and connect them together.
Bolt the heater core into place, with the four retaining bolts. Connect the water supply hoses. You might need to bleed one of the hoses to get the water flowing through the heater core.
Remove the two hoses that go through the firewall to the heater. Connect these two hoses together.
Simply disconnect the heater hoses going to and from the heater, (Inlet & Outlet) at the firewall. Purchase the proper size hose coupling that will allow you to connect the 2 hoses together. Do not plug these hoses, just connect them together. The coolant will now not flow through the heater core.