Removing and replacing heater core on a 92 Oldsmobile Cutlass Supreme S, 3.1 engine, LHO VIN T.
Down below in bold, and underlined is what I don't completely understand from the repair manual.
"Disconnect the negative battery cable.
Properly drain the engine coolant into a suitable container.
Remove the upper weatherstrip from the body.
Remove the upper secondary cowl.
Remove the lower secondary cowl upper nut.
Disconnect the heater hoses from the heater core."
Down below in bold, and underlined is what I don't completely understand from the repair manual.
"Disconnect the negative battery cable.
Properly drain the engine coolant into a suitable container.
Remove the upper weatherstrip from the body.
Remove the upper secondary cowl.
Remove the lower secondary cowl upper nut.
Disconnect the heater hoses from the heater core."