How do you change the heater hose on the x type jaguar?

Maintenance/Repairs
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1

I seem to see no way of changing the heater hoses on the x type jaguar. It seems to be blocked by a cross beam to get any tools in there. The jaguar service manual is no help either. just says remove hose clips ( when changing heater core)
Do you need to pull the engine to get to the hoses

2

http://www.jagbits.com/36heatercore.html

This is probably the longest long shot I’ve ever done but… assuming an xj model or other? good link. Might get some help there.

matey.