York YEFE BZTM-MOW1 Series Service Manual page 58

6. Water Pump
Procedure
1) Take off the fasten belt of the water
pump. (see CJ_CASSETTE_015)
2) Pinch the metal wire in the direction
shown in the fiure to release it. (see
CJ_CASSETTE_016)
Note: This section is for reference only. Actual unit appearance may vary.
 Page 54 
Illustration
CJ_CASSETTE_015
CJ_CASSETTE_016