Automatic Transmission (Service Information): Assembly
The cooler bypass valve must be replaced if transaxle failure has occurred. Do not attempt to reuse or clean old valve.
If the transmission is being overhauled (clutch and/or seal replacement), the TCM/PCM Quick Learn procedure must be performed. Refer to MODULE, POWERTRAIN CONTROL (PCM), MODULE PROGRAMMING .
- Install both output bearing cups (2) using Installer (special tool #5050A, Installer, Bearing Cup) (1).
1 - GASKET HOLES MUST LINE UP 2 - LOW/REVERSE CLUTCH PISTON RETAINER GASKET - Install low/reverse piston retainer gasket (2) Make sure gasket holes line up with case (1).
1 - LOW/REVERSE CLUTCH PISTON RETAINER 2 - GASKET - Install low/reverse piston retainer (1).
1 - LOW/REVERSE CLUTCH PISTON RETAINER 2 - SCREWDRIVER 3 - TORX-LOC SCREWS - Install low/reverse piston retainer-to-case screws (3) and tighten to 5 N.m (45 in. lbs.).
1 - LOW/REVERSE CLUTCH PISTON 2 - BONDED SEAL 3 - BONDED SEAL NOTE:The Low/Reverse Clutch Piston has bonded seals which are not individually serviceable. Seal replacement requires replacement of the piston assembly.
- Install low/reverse clutch piston (1).
1 - LOW/REVERSE PISTON RETURN SPRING 2 - PISTON - Install low/reverse piston return spring (1).
1 - DISC 6057 2 - COMPRESSOR 5059-A 3 - COMPRESSOR BAR 5058A-3 - Install Disk (special tool #6057, Disc, Spring Compressor) (1), Compressor (special tool #5059-A, Compressor, Spring) (2) and Compressor Bar (special tool #5058A-3, Screw, Forcing) (3).
1 - LOW/REVERSE CLUTCH RETURN SPRING 2 - SNAP RING (INSTALL AS SHOWN) 3 - DISC 6057 4 - COMPRESSOR 5059 5 - COMPRESSOR BAR 5058-3 - Install low/reverse spring compressor into position.
1 - SNAP RING OPENING MUST BE BETWEEN SPRING LEVERS (AS SHOWN) 2 - SNAP RING PLIERS 3 - DISC 6057 - Compress low/reverse piston and install snap ring (1).
1 - ARBOR PRESS RAM 2 - INSTALLER 6053 3 - NEW BEARING CONE 4 - REAR CARRIER ASSEMBLY - Install rear carrier bearing cone (3) using Installer (special tool #6053, Installer, Bearing) (1).
- Install rear carrier assembly (1) to transmission case.
1 - ARBOR PRESS RAM 2 - HANDLE C-4171 3 - INSTALLER 5052 4 - OUTPUT GEAR - Install output gear bearing cone using Installer (special tool #6758, Installer, Ball Joint) (3).
1 - GEAR CHECKING PLATE L-4432 2 - DIAL INDICATOR 3 - SPECIAL SCREWS 6260 4 - OUTPUT GEAR - OUTPUT GEAR BEARING ADJUSTMENT:
- With output gear removed, install a 4.50 mm (0.177 in.) gauging shim on the rear carrier assembly hub, using grease to hold the shim in place.
- Using Holder (special tool #6259, Holder), install output gear, bearing assembly and bolt. Tighten to 271 N.m (200 ft. lbs.).
- Measure bearing end play. Attach Gear Checking Plate (special tool #L-4432, Fixture) (1) to the gear.
- Push and pull the gear while rotating back and forth to ensure seating of bearing rollers.
- Using a dial indicator mounted to the transmission case, measure output gear end play.
- Refer to the output gear bearing shim chart below for the required shim to obtain proper bearing setting.
- Use Holder (special tool #6259, Holder) to remove the output gear retaining bolt and washer. To remove the output gear, use Gear Puller (special tool #L-4407A, Puller, Gear).
- Remove the gauging shim and install the proper shim determined by the chart. Use grease to hold the shim in place.
OUTPUT GEAR BEARING SHIM CHARTEnd Play Shim Needed Part Number 0.05mm (0.002 in.) 4.42mm (0.174 in.) 4412830AB 0.08mm (0.003 in.) 4.38mm (0.172 in.) 4412829AB 0.10mm (0.004 in.) 4.38mm (0.172 in.) 4412829AB 0.13mm (0.005 in.) 4.34mm (0.171 in.) 4412828AB 0.15mm (0.006 in.) 4.30mm (0.169 in.) 4412827AB 0.18mm (0.007 in.) 4.30mm (0.169 in.) 4412827AB 0.20mm (0.008 in.) 4.26mm (0.168 in.) 4412826AB 0.23mm (0.009 in.) 4.22mm (0.166 in.) 4412825AB 0.25mm (0.010 in.) 4.22mm (0.166 in.) 4412825AB 0.28mm (0.011 in.) 4.18mm (0.165 in.) 4412824AB 0.30mm (0.012 in.) 4.14mm (0.163 in.) 4412823AB 0.33mm (0.013 in.) 4.14mm (0.163 in.) 4412823AB 0.36mm (0.014 in.) 4.10mm (0.161 in.) 4412822AB 0.38mm (0.015 in.) 4.10mm (0.161 in.) 4412822AB 0.41mm (0.016 in.) 4.06mm (0.160 in.) 4412821AB 0.43mm (0.017 in.) 4.02mm (0.158 in.) 4412820AB 0.46mm (0.018 in.) 4.02mm (0.158 in.) 4412820AB 0.48mm (0.019 in.) 3.98mm (0.157 in.) 4412819AB 0.51mm (0.020 in.) 3.94mm (0.155 in.) 4412818AB 0.53mm (0.021 in.) 3.94mm (0.155 in.) 4412818AB 0.56mm (0.022 in.) 3.90mm (0.154 in.) 4412817AB 0.58mm (0.023 in.) 3.90mm (0.154 in.) 4412817AB 0.61mm (0.024 in.) 3.86mm (0.152 in.) 4412816AB 0.64mm (0.025 in.) 3.82mm (0.150 in.) 4412815AB 0.66mm (0.026 in.) 3.82mm (0.150 in.) 4412815AB 0.69mm (0.027 in.) 3.78mm (0.149 in.) 4412814AB 0.71mm (0.028 in.) 3.74mm (0.147 in.) 4412813AB 0.74mm (0.029 in.) 3.74mm (0.147 in.) 4412813AB 0.76mm (0.030 in.) 3.70mm (0.146 in.) 4412812AB 0.79mm (0.031 in.) 3.66mm (0.144 in.) 4412811AB 0.81mm (0.032 in.) 3.66mm (0.144 in.) 4412811AB 0.84mm (0.033 in.) 3.62mm (0.143 in.) 4412810AB 0.86mm (0.034 in.) 3.62mm (0.143 in.) 4412810AB 0.89mm (0.035 in.) 3.58mm (0.141) 4412809AB 0.91mm (0.036in.) 3.54mm (0.139 in.) 4412808AB 0.94mm (0.037 in.) 3.54mm (0.139 in.) 4412808AB 0.97mm (0.038 in.) 3.50mm (0.138 in.) 4412807AB 1 - WRENCHES 2 - INSTALLER 6261 WITH STUD 3 - OUTPUT GEAR - Install the output transfer gear (3) and bearing assembly using Installer (special tool #6261, Installer, Gear) (2).
- Install NEW output transfer gear retaining bolt and washer.
- Install Holder (special tool #9739, Holder, Gear) (1) onto the output transfer gear (2).
- Tighten output transfer gear retaining bolt to 271 N.m (200 ft. lbs.).
- Using an inch pound torque wrench, check output shaft turning torque. Output shaft turning torque should be within 0.4-1.0 N.m (3-8 in. lbs).
If the turning torque is too high, install a 0.04 mm (0.0016 in.) thicker shim. If the turning torque is too low, install a 0.04 mm (0.0016 in.) thinner shim. Repeat until the proper turning torque of 0.4-1.0 N.m (3-8 in. lbs). is obtained.
1 - CLUTCH PLATES (5) 2 - CLUTCH DISCS (5) - Install low/reverse clutch pack (1, 2). Leave uppermost disc out until snap ring is installed.
- Use as a reference while installing the flat snap ring.
1 - SCREWDRIVER 2 - LOW/REVERSE REACTION PLATE FLAT SNAP RING 3 - DO NOT SCRATCH CLUTCH PLATE - Install low/reverse reaction plate flat snap ring (2), insure you do not scratch clutch plate (3).
1 - ONE DISC FROM LOW/REVERSE CLUTCH - Install remaining low/reverse clutch disc (1).
1 - LOW/REVERSE REACTION PLATE (BEVEL SIDE UP) - Install low/reverse reaction plate (1).
- Ensure that the plate is installed with the bevel / lug side up.
- Use as a reference while installing tapered snap ring.
1 - SCREWDRIVER 2 - TAPERED SNAP RING (INSTALL AS SHOWN) - Install tapered snap ring (with tapered side up) (2).
1 - DIAL INDICATOR 2 - DIAL INDICATOR TIP TOOL 6268 3 - HOOK TOOL - Set up dial indicator (1) to measure low/reverse clutch clearance. Press down on clutch pack with finger and zero dial indicator. Low/Reverse clutch pack clearance is 0.89-1.47 mm (0.035-0.058 in.)
. Set up indicator and record measurement in four places. Take average of readings and select the proper low/reverse reaction plate to achieve specifications.LOW/REVERSE REACTION PLATE CHART
PART NUMBER THICKNESS 05078829AA 5.88 mm (0.232 in.) 05078830AA 6.14 mm (0.242 in.) 05078831AA 6.40 mm (0.252 in.) 05078832AA 6.66 mm (0.262 in.) 05078833AA 6.92 mm (0.273 in.) 1 - CLUTCH PLATE (4) 2 - CLUTCH DISC (4) - Install 2/4 clutch pack (1, 2).
1 - NOTE POSITION 2 - RETURN SPRING 3 - 2/4 CLUTCH RETAINER NOTE:The 2/4 Clutch Piston has bonded seals which are not individually serviceable. Seal replacement requires replacement of the piston assembly.
- Orient 2/4 clutch return spring to retainer (3).
1 - 2/4 CLUTCH RETAINER 2 - 2/4 CLUTCH RETURN SPRING - Install 2/4 clutch retainer to transmission (1, 2).
1 - COMPRESSING TOOL 5058A 2 - SCREWDRIVER 3 - SNAP RING 4 - 2/4 CLUTCH RETAINER - Using Compressing Tool (special tool #5058A, Compressor, Spring) (1), compress 2/4 clutch return spring just enough to install snap ring (3).
- Install snap ring.
1 - DIAL INDICATOR 2 - HOOK TOOL 3 - DIAL INDICATOR TIP 6268 - Set up dial indicator (1) and measure 2/4 clutch clearance. Press down on clutch pack with finger and zero dial indicator. 2/4 clutch pack clearance is 0.76-2.64 mm (0.030-0.104 in.).
Set up indicator and record measurement in four places. Take average of readings. If clearance is outside this range, the clutch is assembled improperly. There is no adjustment for 2/4 clutch clearance.
1 - #7 NEEDLE BEARING 2 - REAR SUN GEAR NOTE:The number seven needle (1) bearing has three anti-reversal tabs and is common with the number five position. The orientation should allow the bearing to seat flat against the rear sun gear. A small amount of petrolatum can be used to hold the bearing to the rear sun gear (2).
1 - #7 NEEDLE BEARING 2 - REAR SUN GEAR - Install rear sun gear (2) and number seven needle bearing (1).
1 - #6 NEEDLE BEARING 2 - FRONT CARRIER AND REAR ANNULUS ASSEMBLY (TWIST AND PULL OR PUSH TO REMOVE OR INSTALL). - Install front carrier/rear annulus assembly (2) and number six needle bearing (1).
1 - FRONT SUN GEAR ASSEMBLY 2 - #4 THRUST WASHER (FOUR TABS) - Install front sun gear assembly (1) and number four thrust washer (2).
1 - OVERDRIVE SHAFT ASSEMBLY 2 - #4 THRUST PLATE (SELECT) 3 - 3 DABS OF PETROLATUM FOR RETENTION - Select the thinnest number four thrust plate thickness (2) and install to input clutch assembly. Use petrolatum to retain (3).
- Install input clutch assembly into position and verify that it is completely seated by viewing through input speed sensor hole (3). If view through input speed sensor hole is not as shown in the view, the input clutch assembly (2) is not seated properly.
1 - OIL PUMP ASSEMBLY 2 - O-RING - Remove oil pump O-ring (2). Be sure to reinstall oil pump O-ring after selecting the proper number four thrust plate.
- Install pump and gasket to transmission. Install and torque bolts.
1 - END PLAY SOCKET SET 8266A 2 - DIAL INDICATOR C-3339A - Set up input shaft for measurement with Indicator Set (special tool #C-3339A, Set, Dial Indicator) (3) and End Play Set (special tool #8266B, End Play Socket Set) (1, 2).
- Measure the input shaft end play with the transmission in the vertical position. Input shaft end play must be within 0.13-0.64 mm (0.005 to 0.025 in.) For example, if end play reading is 0.055 in. select number four Thrust Plate which is 0.071-0.074 in. thick. This should provide an input shaft end play reading of 0.020 in. which is within specifications.
- Refer to the number four thrust plate chart to select the proper number four thrust plate. Refer to NO. 4 THRUST PLATE CHART .NO. 4 THRUST PLATE CHART
PART NUMBER THICKNESS 4431665AB 1.60mm (0.063 in.) 3836237AB 1.73mm (0.068 in.) 4431666AB 1.80mm (0.071 in.) 3836238AB 1.96mm (0.077 in.) 4431667AB 2.03mm (0.080 in.) 3836239AB 2.16mm (0.085 in.) 4431668AB 2.24mm (0.088 in.) 3836240AB 2.39mm (0.094 in.) 4431669AB 2.46mm (0.097 in.) 3836241AB 2.62mm (0.103 in.) 4446670AB 2.67mm (0.105 in.) 4446671AB 2.90mm (0.114 in.) 1 - INPUT CLUTCH ASSEMBLY 2 - #4 THRUST WASHER - Install input clutch assembly (1).
1 - #1 CAGED NEEDLE BEARING 2 - NOTE: TANGED SIDE OUT - Install number one caged needle bearing (1) note: tanged side out (2).CAUTION:
The cooler bypass valve must be replaced if transaxle failure has occurred. Do not attempt to reuse or clean old valve.
- Install cooler bypass valve (1) with O-ring end towards rear of case.
- Install oil pump gasket (1).
- Install oil pump (2).
- Install oil pump-to-case bolts (1) and tighten 30 N.m (265 in. lbs.).
1 - STIRRUP 2 - OUTPUT GEAR RETAINING BOLT - Install output gear stirrup (1) with serrated side out.
1 - RETAINING STRAP 2 - STIRRUP 3 - RETAINING STRAP BOLTS - Install retaining strap (1).
- Install strap bolts (3) but do not tighten at this time.
1 - RETAINING STRAP 2 - STIRRUP - Rotate stirrup (2) clockwise against flats of retaining bolt.
1 - RETAINING STRAP 2 - STIRRUP - Tighten stirrup strap bolts to 23 N.m (200 in. lbs.).
1 - RETAINING STRAP TABS 2 - RETAINING STRAP 3 - STIRRUP - Bend tabs (1) on strap up against flats of bolts.
- Install the differential, bearing cups, shim, seals and oil slinger into case.
- Install the differential cover.
- Install the differential cover bolts (1) and tighten to 61 N.m (45 ft. lbs.).
- Install the differential output bearing cover (2).
- Install the differential output bearing cover bolts (1) and tighten to 12 N.m (105 in. lbs.).NOTE:
Remote pinion gear must NOT be installed while checking turning torque.
- Using the Turning Torque Tool (special tool #9735, Fixture, Torque Turning) (1) and an inch pound torque wrench (2) check the differential turning torque, it should be 1.0-2.5 N.m (10 to 22 in-lbs drag). If turning torque is more than 2.5 N.m (22 in-lbs drag) decrease shim size behind the end cover and recheck. If turning torque is less than 1.0 N.m (10 in-lbs drag) increase shim size.
- After proper turning torque is achieved for the differential remove the differential from the case and set aside keeping the correct shim with the differential.
- Install the remote pinion bearing cup in the case (small cup) using Installer (special tool #9730, Installer, Bearing Cup) and Handle (special tool #C-4171, Driver Handle, Universal).
- Install the remote pinion bearing cup in the cover using Installer (special tool #9729, Installer, Bearing Cup) and Handle (special tool #C-4171, Driver Handle, Universal).
- Install the remote pinion (2) into the transmission case.
- Install the remote pinion cover (2) into transmission case.
- Install the bolts (1) at the remote pinion cover (2) and tighten to 16 N.m (140 in. lbs.).NOTE:
Differential assembly must not be installed when checking for pinion drag torque.
- Check turning torque using Differential Bearing Torque Tool (special tool #C-4995A, Tool, Differential Bearing Torque) (2) and an inch pound torque wrench (1). Turning torque for the remote pinion gear should be 0.2-1.0 N.m (2 to 8 in-lbs drag). If more than 1.0 N.m (8 in-lbs drag) decrease shim size under the remote pinion bearing cover cup. If turning torque is less than 0.2 N.m (2 in-lbs drag) increase the shim size under the remote pinion bearing cover cup.
- Install Holder (special tool #9908, Adapter, Puller) (2) onto the compounder bearing retainer to help in installation.
- Install the compounder bearing retainer into the transmission case.
- Remove Holder (special tool #9908, Adapter, Puller) from the compounder bearing retainer.
- Install all the bolts at the compounder bearing retainer and tighten to 12 N.m (105 in. lbs.).
- Install snap ring (1) at top of the compounder bearing retainer.NOTE:
Insure End Play Tool (special tool #9951, Tool, Compounder Shim) is not binding in support plate that is bolted to the case.
NOTE:Always use original shim to determine end play.
- Remove plug at case (3).
- Install compounder End Play Tool (special tool #9951, Tool, Compounder Shim) (2) through the hole in the front case.
- Install Dial Indicator (special tool #C-3339A, Set, Dial Indicator) (1) onto End Play Tool (special tool #9951, Tool, Compounder Shim).
- Use moderate downward pressure on End Play Tool (special tool #9951, Tool, Compounder Shim) and zero Dial Indicator (special tool #C-3339A, Set, Dial Indicator).
- Use moderate upward pressure on End Play Tool (special tool #9951, Tool, Compounder Shim) and take reading from Dial Indicator (special tool #C-3339A, Set, Dial Indicator).
- Remove End Play Tool (special tool #9951, Tool, Compounder Shim) and zero Dial Indicator (special tool #C-3339A, Set, Dial Indicator).
- Adjust shim thickness in the underdrive unit to 0.010 to 0.020".
- Install the correct (select) helical shim and assemble the underdrive compounder and retest. Refer to ASSEMBLY, UNDERDRIVE COMPOUNDER, ASSEMBLY .
- Using Mopar lock AND seal adhesive install plug back into case and tighten to 24 N.m (18 ft. lbs.).
1 - ARBOR PRESS RAM 2 - HANDLE C-4171 3 - INSTALLER 5052 4 - OUTPUT GEAR - Install the transfer gear (underdrive compounder side) cone using Installer (special tool #6756, Receiver, Ball Joint) (3).
- Install Holder (special tool #9739, Holder, Gear) (1) onto the transfer gear (underdrive compounder side) (2).
- Install a new transfer gear (underdrive compounder side) nut and tighten to 271 N.m (200 ft. lbs.).
- Use Staking Tool (special tool #9721, Staking Tool) and stake the new nut.
- Install the differential, bearing cups, shim and oil slinger into case.
- Use a bead of MOPAR® ATF RTV (MS-GF41).
- Install the differential cover.
- Install the differential cover bolts (1) and tighten to 61 N.m (45 ft. lbs.).
- Use a bead of MOPAR® ATF RTV (MS-GF41).
- Install the differential output bearing cover (2) and tighten bolts to 12 N.m (105 in. lbs.).
- Install differential oil seals into the case using installer MD998334-01.
- Install the oil scavenger (2).
- Install the transfer gear cover (1), use a bead of MOPAR® ATF RTV (MS-GF41).
- Install transfer gear cover-to-case bolts (2) and tighten to 12 N.m (105 in. lbs.).
- Install the park pawl tube (1) into case (2) making sure guide pin aligns with hole in case.
- Install the snap ring (1) for the park pawl tube.
- Install the park pawl (1) and the park pawl spring (2).
- Install the park pawl shaft (1).
- Install the park pawl shaft and park pawl pipe plug tighten to 27 N.m (20 ft. lbs.).
- Install the set screw (1) for the park pawl shaft and tighten to 1 N.m (10 in. lbs.).
- Install the manual lever, TRS and seal. Refer to SENSOR, TRANSMISSION RANGE, INSTALLATION .
1 - UD ACCUMULATOR 5 - LC ACCUMULATOR 2 - 2/4 ACCUMULATOR 6 - DC ACCUMULATOR 3 - LR ACCUMULATOR 7 - OD ACCUMULATOR 4 - 2/4 CLUTCH OIL SUPPLY SEAL - Install all six accumulators (1, 2, 3, 5, 6 and 7) into case along with the accumulator return springs.
- Install a new
2/4 clutch oil supply seal (4) into the case.NOTE:
Install transmission oil on the oil transfer tubes O-rings.
- Install the oil transfer tubes (2) into the case/compounder.
- Install valve body (1) onto the oil transfer tubes and manual valve (3) at the rooster comb.
- Install the valve body bolts (1) and tighten to 7 N.m (50 in. lbs.).
- Install the detent spring (2).
- Install the bolt (3) holding the detent spring and tighten to 7 N.m (50 in. lbs.).
- Install the electrical connector (1) at the range sensor (4).
- Install the valve body oil pan, use a bead of MOPAR® ATF RTV (MS-GF41).
- Install the valve body oil pan bolts and tighten to 12 N.m (105 in. lbs.).
- Install the fluid filter seal (1) at the case.
- Install the fluid filter (2).
- Install the fluid filter mounting nuts and tighten to 5 N.m (40 in. lbs.).
- Install the fluid filter oil pan, use a bead of MOPAR® ATF RTV (MS-GF41).
- Install the fluid filter oil pan bolts and tighten to 12 N.m (105 in. lbs.).
- If equipped install the Front Sound Dampener Cover (2) and the fasteners (1).
- Install the speed sensors (1, 2 and 3) and tighten bolts to 12 N.m (105 in. lbs.).
- If equipped install the Top Sound Dampener Cover (1).