Notes for disassembly/assembly of coolant hose quick-release couplings

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Dismantling of quick-release coupling

Pull out lock (1) and (2). Detach hose.

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Installation note:

Check O-rings (1).

Do not coat O-rings (1) with lubricant.

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Assembly of quick-release coupling

Press in lock (1) before installing quick-release coupling.

Push on hose.

Quick-release couplings must clearly snap audibly into place.

Courtesy of BMW OF NORTH AMERICA, INC.