20-2. ARCTIC HEATER REPLACEMENT
This Task Covers:
Tools and Special Tools
Container, 1 gal (3.8 l) capacity (2)
Tool Kit, General Mechanic's: Automotive
(Item 18, Appendix F)
Negative battery cable disconnected (Para 8-44)
Engine cooling system drained (Para 7-2)
Close coolant valve (1) on left side of engine.
· Tag or mark hoses for ease in
· Clamp each of two hoses closed to prevent
coolant loss when hoses are disconnected.
Loosen hose clamp (2) and disconnect heater
outlet hose (3) from heater assembly (4).
Loosen hose clamp (5) and disconnect heater
inlet hose (6) from heater assembly (4).
Disconnect large circular connector (7) of
heater wiring harness (8) from heater