ALLISON AUTOMATIC TRANSMISSION POWERMATIC P l AND AT540 4 003 TRANSMISSION ASSY Rebuilt Transmission Assemblies are available from Detroit Diesel Allison Distributors 4 004 CONTROL ASSY Transmission Gearshift 71 72 Tilt w A T 540 676398 1 71 72 SBC w A T 540 68 0338 1 trans A 4 005 GASKET UNIT Transmission NOTE 1 Consists of 7 ring pump to case seal 8 O ring pump body bolt seals 8 pump body bolt washers 1 pump cover to case gasket 7 O ring output shaft seal 1 reverse servo piston seal 7 rear servo cover gasket 7 governor cover gasket 1 O ring parking pawl shaft seal 2 manual shaft O rings 1 manual shaft seal assy 2 vacuum modulator and connector seals 1 valve body to spacer gasket 7 case to spacer gasket 1 solenoid va ve gaske t 1 O ring strainer seal 1 trans oil pan gasket 1 case extension to case gasket 7 M dia parking shaft plug 1 filler tube O ring seal NOTE 2 Consists of 1 front servo piston oil seal ring 2 pump oil seal rings 4 center support oil seal rings 3 intermediate clutch drive plate assemblies 5 forward clutch drive plate assy 1 front pump seal 1 extension housing seal 2 forward and direct clutch piston seal kits 1 intermediate clutch piston seal kit 1 overhaul gasket and seal kit l 71 72 All w T H 475 8625905 1 w seals Note 1 71 72 All w T H 475 8626984 1 overhaul Note 2 4 006 LEVER ASSY KNOB Transmission Control 71 72 All w P T 3725785 1 i 0 L 71 72 All w A T 540 8871494 1 Morse D43274 71 72 All w P T 374993 1 KNOB gear shift 2 u dia 71 72 All w A T 540 8871499 2 KNOB shift lever Morse B43671 4 008 PIVOT GUIDE PIN SPRING Transmission Control Hand Lever 7 1 72 All w P T 3747783 1 71 72 All w P T 3725792 1 GUIDE reverse check spring M l D x l wu 0 0 W 4 hole 71 72 All w P T 3725789 1 PIN pivot 1 O L 71 72 All w A T 540 3888917 1 PIN pivot 71 72 All w P T 2372237 1 SPRING lever reverse check 71 72 All w P T 3725790 1 SPRING anti rattle 2 2 coils left hand wound black 71 72 All w P T 3686981 1 SPRING lever pivot anti rattle 2 coils 1 LD 4 597 4 010 TOWER ASSY COVER PLATE Gearshift Hand Lever Control 71 72 All w P T 3725776 1 l 1 lt O L l 71 72 All w A T 540 exc Tilt 682345 1 shift 71 72 Tilt w A T 540 612796 1 shift control 71 72 All vv P T 3753746 1 COVER control tower 2 x 4 6 position 71 72 All w A T 540 exc Tilt 8871663 1 PLATE shift tower closure 4 012 CAP Gearshift Hand Lever Housing 71 72 All 3988627 A R bayonet type 1 n 0 D 4 015 BOOT Transmission Floor Mounted Control Lever 71 72 All w P T 3747775 1 tower 4 4 x 5 M hi gh rubber 4 020 CABLE ASSY Transmission Control Selector 71 72 Tilt w A T 540 681014 1 4 022 SOCKET ASSY Gearshift Lever Selector and Indicator 71 72 All l 6288601 1 ext trans control ind dial holder assy 2 584 4 045 LEVER Transmission Mounted Gearzshift External 71 72 All w A T 540 677389 1 LEVER ASSY shift selector 4 047 CABLE ASSY CLAMP SHIM Shaft Selector and Range 71 72 All w P T 3902707 1 39 O L 71 72 SBC w A T 540 681015 1 shift control lever 71 72 Ser 50 SBC w T H 475 669724 1 shift control lever 71 72 All w A T 540 71 72 Ser 50 SBC w T H 475 8867656 1 CLAMP shift cable 71 72 All w A T 540 71 72 Ser 50 SBC w T H 475 8867655 1 SHIM cable clamp f 4 050 BRACKET ASSY Transmission Throttle Valve Control T V 71 72 All w P T 3908534 1 control rod pull back spring GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM t REV 5 79 4 147 4 003 4 050 ml i i r H r f ii r gi V