TM9-2815-202-34 6-11.  AIR  BOX  HEATER  REPLACEMENT SOLENOID   VALVE (Cont) a. b. c. d. Removal NOTE Remove  pump,  motor,  and  bracket  assembly  before  removing  solenoid. (1) Disconnect wiring harness terminal (59) from solenoid (38). (2)  Remove  four  screws  (60),  four  nuts  (61),  and  four  Iockvvashers  (62)  securing  wiring  harness connector  (63)  to  bracket  (25).  Remove  connector  from  bracket.  Discard  Iockwashers. (3)  Remove  wiring  harness  (30).  If  necessary,  remove  clamp  (29)  from  harness. NOTE Disconnect  tube  (17)  during  pump  and  motor  assembly  removal. (4) Disconnect tube (6) from elbow (64) on solenoid (38). Remove tube. (5)  Remove  two  screws  (65),  two  nuts  (66),  two  Iockwashers  (67),  and  two  flat  washers  (68), securing  solenoid  (38)  to  bracket  (25).  Remove  solenoid. Disassembly (1) Remove elbow (64) from solenoid (38). (2) Remove elbow (18) from bushing (69). (3) Remove bushing (69) from solenoid (38). Inspection Inspect solenoid for cracks, damage, or valve  leakage. Assembly (1) Install bushing (69) into solenoid (38). (2) Install elbow (18) into bushing (69). (3) Install elbow (64) into solenoid (38). e.  Test/Adjustment (1) (2) 6-24 Attach 24 V dc power source to solenoid  (38)  and  listen  to  confirm solenoid valve is opening and closing. If no indication of movement, replace  solenoid  valve. Disconnect and remove 24 V dc power  source  from  solenoid  (38).