Assembly Procedure

FRONT/REAR SERVO INSTALLATION

(1) Lubricate rear servo piston seal with Mopar Door Ease or ATF Plus. Lubricate servo bore in case with ATF Plus.






(2) Install rear servo piston in case. Position piston at slight angle to bore and insert piston with twisting motion (Fig. 139).






(3) Install rear servo spring and retainer in case bore (Fig. 140). Be sure spring is seated on piston.

Note that 46RH has a cup style retainer and the 47RH has a flat retainer.






(4) Install servo snap ring as follows:
(a) On 46RH, compress rear servo piston with C-clamp or Valve Spring Compressor C-3422-B (Fig. 141).
(b) On 47RH, use C-clamp to compress retainer and spring as compressor tool will not fit on the reinforcing ribs around the servo part of the case. If C-clamp is not available, have helper install snap ring while retainer and spring are compressed with finger pressure.
(5) Lubricate front servo piston components and servo bore in case with transmission fluid.






(6) Install front servo piston in bore. Carefully "run" small, suitable tool around piston ring to press it back into grove and ease installation (Fig. 142). Rotate piston into bore at same time. Rock piston slightly to ease piston ring past snap ring groove and into bore.
(7) Bottom front servo piston in bore and install servo spring.






(8) Install front servo piston rod guide as follows:
(a) Place Tool SP-5560 (or similar size tool) on guide and position C-clamp on tool and case (Fig. 143).
(b) Slowly compress rod guide while simultaneously easing seal ring into bore with suitable tool.
(9) Install rod guide snap ring (Fig. 143).

OVERRUNNING CLUTCH, REAR BAND, LOW-REVERSE DRUM, AND OVERDRIVE PISTON RETAINER INSTALLATION






(1) Install new gasket at rear of transmission case. Use petroleum jelly to hold gasket in place. Be sure to align governor feed holes in gasket with feed passages in case (Fig. 144). Install gasket before overdrive piston retainer. Center hole in gasket is smaller than retainer and cannot be installed over retainer.






(2) Install overdrive piston retainer. Be sure governor tube bores in retainer are aligned with governor feed passages in gasket and case (Fig. 145).
(3) Install and tighten piston retainer bolts to 17 N.m (13 ft. lbs.) torque.
(4) Install overrunning clutch components if not yet installed. Refer to Overrunning Clutch Overhaul in this section for procedures if necessary.
(5) Install 46RH rear band and low-reverse drum as follows:






(a) Position band and link in case (Fig. 146). Be sure notched side of link faces away from band.






(b) Install low-reverse drum (Fig. 147). Slide drum through rear band, onto rear support hub and into engagement with overrunning clutch race.
(c) Coat double tab thrust washer with petroleum jelly and install it in spotface in low-reverse drum hub.






(d) Install snap ring that secures low-reverse drum to rear support hub (Fig. 148).






(e) Install new 0-rings on band reaction pin. Then insert pin into case and part-way into band link (Fig. 149).






(f) Install rear band lever, reaction lever and strut (Fig. 150). Be sure lever and strut are aligned and engaged then seat reaction pin until it is flush with case surface.






(g) Install band lever pivot pin (Fig 151). Then tighten lever adjusting screw only enough to hold strut in position.
(6) Install 47RH rear band and low-reverse drum as follows:






(a) Install band on drum. Note which way band goes on drum (Fig. 152). Be sure reaction pin lugs will face pin when band is installed and that band is seated against shoulder on drum.






(b) Install assembled band and drum (Fig. 153).






(c) Install thrust washer in spotface machined in hub of drum (Fig. 154).Petroleum jelly can be used to hold washer in place if desired. Note that washer has two locating tabs. Be sure tabs are seated in notches of overdrive piston retainer hub.






(d) Install snap ring that retains low-reverse drum to overdrive piston retainer hub (Fig. 148).






(e) Install reaction pin in case (Fig. 155). Then roll band around drum until reaction lugs are seated against reaction pin. Be sure pin is fully seated.






(f) Install rear band lever, strut and pivot pin (Fig. 156). Use Allen wrench or pin punch to help align pivot pin with lever. Note that 47RH does not use reaction lever or strut. Lever contacts band lug directly.






(g) Tighten band adjusting screw only enough to hold strut in place (Fig. 157).

PLANETARY GEARTRAIN, FRONT/REAR CLUTCH, AND FRONT BAND INSTALLATION






(1) Install assembled intermediate shaft and planetary gear components (Fig. 158). Support shaft carefully during installation. Do not allow shaft bearing/bushing surfaces to become nicked or scratched.






(2) Lubricate intermediate shaft thrust plate with petroleum jelly and install plate on shaft pilot hub (Fig. 159).






(3) Check input shaft front seal rings, fiber thrust washer and rear seal ring (Fig. 160). Be ends of rear seal ring are hooked together and diagonal cut ends of front seal rings are firmly seated against each other as shown. Lubricate seal rings with petroleum jelly after checking them.






(4) Assemble front and rear clutches (Fig. 161). Align lugs on front clutch discs. Mount front clutch on rear clutch. Turn front clutch retainer back and forth until front clutch discs are fully seated on rear clutch splined hub.






(5) Install intermediate shaft thrust washer in hub of rear clutch retainer (Fig. 162). Use petroleum jelly to hold washer in place. Position washer so grooves are facing outward. Washer only fits one way in clutch retainer hub.
(6) Place transmission case in upright position, or place blocks under front end of transmission repair stand to tilt case rearward. This makes it easier to install front/rear clutch assembly.






(7) Align discs in rear clutch. Then install and engage assembly in front planetary and driving shell (Fig. 163). Turn clutch retainers back and forth until both clutches are seated.






(8) Slide front band over front clutch retainer and install front band strut and anchor (Fig. 164).
(9) Position front band lever in case and over servo rod guide. Then install front band lever pin in case and slide it through lever.
(10) Coat threads of front band pin access plug with sealer and install it in case. Tighten plug to 17 N.m (13 ft. lbs.) torque.
(11) Tighten front band adjusting screw until band is tight on clutch retainer. Verify that front/rear clutch assembly is still properly seated before tightening adjusting screw.

OIL PUMP INSTALLATION






(1) Install oil pump Pilot Studs C-3288-B in case (Fig. 165).
(2) Install new oil pump gasket on pilot studs and seat it in case. Be sure gasket is properly aligned with fluid passages in case (Fig. 165).






(3) Coat front clutch thrust washer with petroleum jelly to hold it in place. Then install washer over reaction shaft hub and seat it on pump (Fig. 166).

CAUTION: The thrust washer bore (I.D.), is chamfered on one side. Make sure the chamfered side is installed so it faces the pump.






(4) Check seal rings on reaction shaft support. Be sure rings are hooked together correctly. Also be sure fiber thrust washer is in position (Fig. 167). Use extra petroleum jelly to hold washer in place if necessary.
(5) Lubricate oil pump seals with petroleum Mopar ATF Plus.






(6) Mount oil pump on pilot studs and slide pump into case opening (Fig. 168). Work pump into case by hand. Do not use a mallet or similar tools to seat pump.
(7) Remove pilot studs and install oil pump bolts. Tighten pump bolts alternately and evenly to fully seat pump in case. Then final-tighten pump bolts to 20 N.m (15 ft. lbs.) torque.
(8) Verify correct installation. Rotate input and intermediate shafts and check for bind. If bind exists, components are either misassembled, or not seated. Disassemble and correct as necessary before proceeding.

OVERDRIVE UNIT AND PISTON INSTALLATION

(1) Install new seals on overdrive piston. Then lubricate seals with Mopar Door Ease, or Ru-Glyde to ease installation.






(2) Install overdrive piston in retainer. Align locating lugs on piston in locating bores in retainer. (Fig. 169). Use thin plastic strip or feeler gauge to help guide piston outer seal into retainer.
(3) Install spacer on intermediate shaft, if not previously installed.






(4) Install overdrive piston thrust plate (Fig. 170). Use liberal quantity of petroleum jelly to hold thrust plate in position on piston.






(5) Install overdrive piston thrust bearing in direct clutch hub (Fig. 171). Use liberal quantity of petroleum jelly to hold thrust bearing in place. Note that one side of bearing has dark coated surface. This surface faces overdrive piston. Also be sure raised shoulder on inside diameter of bearing faces forward as well.
(6) Apply small amount of petroleum jelly to pilot hub of intermediate shaft.






(7) Verify alignment of splines in overdrive unit planetary gear and overrunning clutch. Be sure Alignment Tool 6227-2 is fully seated (Fig. 172). If planetary gear and overrunning clutch splines become misaligned, overdrive unit cannot be fully installed on intermediate shaft. Overdrive unit will have to be disassembled in order to realign splines.
(8) Carefully withdraw alignment tool from overdrive unit.
(9) Lubricate intermediate shaft splines and bushing surfaces with transmission fluid or petroleum jelly.
(10) Install overdrive unit. Be sure governor tubes are aligned with feed holes in piston retainer boss. Intermediate shaft is snug fit in overdrive planetary gear and overrunning clutch. If overdrive unit will not seat fully, rotate overdrive output shaft slightly to align splines and try again.
(11) Apply 1-2 drops of Mopar thread adhesive (or Loctite 242) to overdrive unit attaching bolts Then install and tighten bolts to 34 N.m (25 ft. lbs.) torque.

INPUT SHAFT END PLAY CHECK

(1) Check input shaft end play as follows.






(2) Attach dial indicator to converter housing (173). Position indicator plunger against input shaft and zero indicator.
(3) Move input shaft in and out and record reading.
(4) End play should be 0.86 - 2.13 mm (0.034 - 0.084 in.).
(5) If end play is incorrect, change intermediate shaft thrust washer. The thrust washer controls end play and is available in three thicknesses for adjustment purposes.

BAND ADJUSTMENTS AND INSTALLATION OF ACCUMULATOR, VALVE BODY, OIL PAN, AND TORQUE CONVERTER






(1) On 46RH, install accumulator inner spring, piston and outer spring (Fig. 174). On 47RH, install accumulator piston and single spring.
(2) Verify that [1][2]park/neutral position switch has not been installed in case. Valve body can not be in stalled if switch is in position.
(3) Install valve body as follows:
(a) Start park rod into park pawl. If rod will not slide past park pawl, pawl is engaged in park gear. Rotate overdrive output shaft with socket to free pawl and allow rod to engage.
(b) Align and seat valve body on case. Be sure manual lever shaft and overdrive connector are fully seated in case.
(c) Install and start all valve body attaching bolts by hand. Then tighten bolts evenly, in a diagonal pattern to 12 N.m (105 in. lbs.) torque. Do not overtighten valve body bolts. This could result in distortion and cross leakage after installation.
(4) Install new filter on valve body. Tighten filter screws to 4 N.m (35 in. lbs.).






(5) Install seal on [1][2]park/neutral position switch (Fig. 175). Then install and tighten switch to 34 N.m (25 ft. lbs.).
(6) Adjust front and rear bands as follows:
(a) Loosen band adjusting screw locknuts 4-5 turns. Then tighten adjusting screws to 8 N.m (72in. lbs.).
(b) Back off front band adjusting screw 2-7/8 turns on 46RH and 1-7/8 turns on 47RH.
(c) Back off rear band adjusting screw 2 turns on 46RH and 3 turns on 47RH.
(d) Hold each adjusting screw in position and tighten each locknut to 34 N.m (25 ft. lbs.) torque.
(7) Install magnet in oil pan. Magnet goes on small protrusion at corner of pan.
(8) Position new oil pan gasket on case and install oil pan. Tighten pan bolts to 17 N.m (13 ft. lbs.).






(9) Install new valve body manual shaft seal in case (Fig. 176). Lubricate seal lip and manual shaft with petroleum jelly. Start seal over shaft and into case. Seat seal with 15/16 inch, deep well socket.
(10) Install new grommet in transmission shift lever if necessary. Then install lever manual lever shaft.
(11) Cap or cover transmission openings (cooler line fittings, filler tube bore, etc.) to prevent dirt entry.
(12) Install torque converter. Use C-clamp or metal strap to hold converter in place for installation. Be sure converter is fully seated before installing clamp.
(14) Mount transmission on jack for installation in vehicle.
(15) Apply dielectric grease to terminal pins of solenoid case connector and neutral switch.

CAUTION: The transmission cooler and lines must be reverse flushed if overhaul corrected a malfunction that generated sludge, metal particles, or clutch friction material. The torque converter and drainback valve should also be replaced if contaminated by the same malfunction. Debris and residue not flushed from the cooler and lines will flow back into the transmission and converter. The result will be repeat failure and a shop comeback.