420SEL (126.035) V8-4.2L (116.965) (1986)
Heater Core: Service and Repair
With A/C
Removal:
1. Remove heater box. See: Heating and Air Conditioning/Heater Box/Service and Repair
2. Lift off two clamps (85) on lateral member (86) by means of a screwdriver.
3. Pull vacuum line (arrow) from vacuum element (41).