500SL (129.067) V8-5.0L (119.960) (1990)
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Heater Core Case: Service and Repair
Battery
disconnect negative terminal.
Air conditioning system
drain (recycle).
Coolant
drain.
Wiper system
remove. See: Wiper and Washer Systems
Left and right water drain (80)
remove, 2 screws.
Center partition wall (81)
remove, 2 rivets and 2 screws.