90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
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Evaporator Housing: Service and Repair
REMOVAL
Heater/Evaporator Housing
1. Disconnect battery cables and remove battery.
2. Discharge refrigerant system.
3. Remove center vent/control panel.
4. Remove instrument panel, refer to See: Body and Frame/Interior Moulding / Trim/Instrument Panel/Service and Repair
Heater/Evaporator Housing Coolant Hoses
5. Clamp heater hoses A and B to prevent excess engine coolant loss.
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A = return to water pump.
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B = feed to cylinder head.
6. Loosen clamps and remove hoses from fittings.
7. Cap hoses.
8. Remove A/C refrigerant lines from evaporator.
16 Nm (11.8 ft lb)
Note: Be sure there is no tension on refrigerant lines during installation.
