My elbow broke as well since they seem to start cracking over time. A quick fix is to plug the coolant hose directly over the steel tube and tighten it with a hose clamp. That works well as a temporary solution.
Coolent line leak
I am looking for a cooling system part for a 2011 Cadillac CTS V Coupe. I cannot find the part on any engine diagram on the web. It is located near the oil fill cap. I have attached a picture of the part, circled with an arrow pointing to the failed plastic elbow. The elbow includes some sort of in-line valve (?) that connects to a steel line. The steel line goes into the engine or head base and is held in place with a bolted bracket. I do not know the function of the valve, or even if it is a valve.
![Motor vehicle Vehicle Car Automotive design Hood]()
Hopefully this will help identify the part. Your help will be greatly appreciated
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