1 069 PUMP ASSElMBlL Y PUM P UNIT Engine Ccrolnntk 38 ALL use offset fan cast 598309 pulL1 2 y slumped 838764 L 598308 1 11 70 53 55 CORVETTE 6 cyl L L L L L L L L 3706009 1 27 35 54 55 COMM w H T with cooler Int Ser L LL pulley V wiclnso L L L 3836223 1 12 00 62 ALL 261 L L L L L L LL L L L L L L L 3757231 1 12 15 63 Ser 10 thru 30 292 L L L L L L L L L LLL LLL L L LL L L LLL LLLL 3789536 1 12 15 41 52 ALL L L L L L L L L L L LLLLLLL PUMP UNIT pulley V wide pulley 53 55 UTILL lst Ser exc 261 L L LLLLLL stamped 838905 L LL L L LLLL L LLLLLLLLL 3774210 1 12 20 53 54 PASS 53 55 COMM lst Ser exc HLT L L L L L PUMP UNIT pulley V Vg v LriLde LL LLL LL L L L 3774211l 1 12 20 54 55 ALL 261 1st Ser LLLLLLLLLLL L LLL PUMP UNIT 3836208 cast on body L LL L 3774212l 1 12 20 58 63 PASS 348 409 LLLLLLLLLLLL L LL LLLL PUMP UNIT L LL L LL L L LLLLL L LLLLLLLLL 3774213l 1 17 60 55 62 ALL 6 cyl 2nd Ser LLLLL L L L L LLLLL PUMP UNTT less pulley L L L LLLLLLLLLLLLLLL 3774l86l B1 11 15 55 63 ALL CORVETTE 8 cyl 2ncl Ser exc 348 409 L L L L L L L L L L L L L L L PUMP UNIT less pulley L L LLLL L LLLLLL L L L 3787566l B1 14 20 63 ALL 230 63 Ser 10 D D 4 cyl LLLLLL L L L L L L L PUMP UNIT L L L L L L L LLLLL L LLLLLLLL 3815726 1 lNOTE Includes pump to bloczlc gasket NOTE When using on 1962 63 Models it is necessary to drive the pulley huh back inches on bearing shaft The puazrnp plate should be removed and the hevtiring shaft must be supported before sta r tin the pressing operation NOTE On 55 56 models 3138803 reducing bushing must he used 1 073 BODY BOI T lEI 1l l lD Cloulunt Pump 53 55 CORVETTE 6 cyl LLLLL L LLLLLLLLLLLLLL L LLLLLLLLLLLLLLLLLL L L L LLLLLLLLL L LL L 3706013 1 11 85 53 55 CORVETTE 6 cyl LLLLLLLLL L L LLLLLLL BOLT RLHLL 1 6 x 113 LL LLLLL 132405 1 8 907 56 57 D D 8 cyl L L L LLLLLLLLL L LLLLLLL BOLT 16 an ll Q L L L L LLLLLLLLLLLLLLLL 3836646 1 3 275 58 63 PASSL 348 409 62 PASS w P S 8 cyl L LLLLL L LLLLLLLL BOLT at taL1 h her Eli lf x 1 LLL LL 3735703 A R 10 62 PASS 8 cyl LLLLLLLL L LLLLLLLL L LLLL BOLT M 20 zx Zi ext locl washer LLLLLLLL 839301 6 1 428 57 63 PASSL 8 cyl exc CLALCL CZ ooLl Pack 348 409 60 61 Ser 10 thru 30 283 exc Cool Pack L STUD upper RLHL u mp attaching battery 62 63 Ser 10 thru 30 283 L L L L LLLLLLL L ground cable a ttachLL E jg 24 x F 16 x 2 3759755 1 15 58 63 PASS 348 409 L L LLLLLL L L LLLLL STUD pump catt ac 1iin battery ground cable attach 2l4 1 lf x 2 LLL L 3745278 1 15 58 62 CORVETTE LLL L L LL L L LLLLLLL L LLLLLL STUD pump att 1cw1 iii1 engine frt mtg brkt attach fl 16 h c th ends x 3 9Q LL 3750563 1 50 1 079 GASKET Cuoluimit Pump Assembly to llllcck 38 40 ALL L L L LL LL L LLLLLLL L L L L has one 1 center hole LLLLLL L LL L 838137 1 08 41 54 ALL LLL L LLLL L LLL L LL LLLLLL has two 1 cenitzozr holes one P half 55 COMML UTILL lst Ser L L L L L LLL flat hole LLLLLLL L LL LL L L L 3836048 1 08 55 62 ALL 6 cyl 2nd Ser LLL LL L L L L L 31 I D w Si holes 1 dia L L 3836162 1 08 55 63 ALL 8 cyl exo 348 409 LLLLL L L L L left or right 1 large LD cork LL LLL 3754587 2 08 55 63 CORVETTE 8 cyl LLLLLLLL L LL LL L L L L left or right 1 large LD neoprene L 3756522 2 10 58 63 PASS 348 409 LLLLLLLLLLLLLLLLLL L L has two Ugg center holes L LLLL LL L L 3763955 2 10 63 ALL 230 LL L LLLLLLLLL LLLL L LLLLL L LLLLL LLLLLLL 3788478 1 63 Ser 10thru 30 292 LLLLLL L LLLL LL L LLLLLLLL L L L L L L LLLL L LLLL 3815848 1 08 NOTE When using as LLH qcmket trim off dia hole 1 097 CONNECT01R 1ElZ DSl J PLUG ELBOW oo l mt Puump lily Pass 58 PASS 348 excL 3 2BC HLLLL Calm L hose to inlet manifczld umd water pump 58 PASS 348 exc HLLL Cam 59 61 PASSL 348 exc HLLL Cam 3 ZZBC L therznestat by poses hose to inlet manifold 58 61 PASS 348 L L LLLLL L LLLL therm sta t by poL s s hose to water pump 61 63 PASS 409 L L LL LLL and inlet manLil lLd tube B OLD x 15 long L L L L L L L LL LL LLL L 3735575 2 15 TNOTE May be necessary to c u t as required 8 3 F L Mm v i 2 3 1 069 I U9 7 General Motors Corporation REV ED NOVEMBER 962