Replace rear windschield washer's pump

#1
Hello guys,
I have noticed that my rear washer pump is not working. When I try it, there is no sound, so it's probably dead.
Since these pumps (front - which works OK and rear) are probably located at the bottom of the vessel with washing fluid, do I need to remove the front bumper in order to access it?
I have Toyota corolla year 2002 (Europe, UK) 2.0 D4D.

Thank you for your advice.

P.S.
This is what I'm talking about:
http://www.toyodiy.com/parts/p_E_200201_TOYOTA_COROLLA_CDE120L-DHMDYW_8504.html
 
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