G20 L4-2.0L (SR20DE) (1992)
Fig. 3 Heater & A/C assembly
5. Remove heater unit assembly attaching hoses and electrical connectors, Fig. 3
6. Remove heater unit attaching bolts, then remove.
7. Separate heater unit, then remove heater core attachments.
8. Remove heater core assembly.
9. Reverse procedure to install. Refill and leak test cooling system.