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Old 03-18-2013, 02:36 PM
MouseFink MouseFink is offline
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The quick disconnect heater hose fitting fitting if for the metal heater hose ends. The OE fitting contains a plastic clip with a restriction that diverts coolant from the heater to the radiator and better cools the engine. Use it. Any coolant not passing through the radiator is not cooling the engine.

Dorman 800-401.1 is the only aftermarket source for those fittings. Removal of the fitting is unnecessary and does not risk pulling the threads out of the aluminum intake manifold. You can remove the quick connect clip with the metal hose end using the proper tool. . A new clip is Dorman 800-405. Useed with a Dorman 800-408 quick disconnect removal tool.
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