Operation CHARM: Car repair manuals for everyone.

Vehicle Damage Warnings

CAUTION:
- When removing the heater hose from the heater core or supply and return tube nipples, DO NOT apply excessive pressure. Excessive pressure may damage or deform the nipples and/or the heater core causing an engine coolant leak.
- When removing hoses from outlet nipples, do not use excessive force. Outlet nipples may become damaged and leak engine coolant.