Chrysler 62TE Operating and installation instructions

2009 AUTOMATIC TRANSMISSION
62TE - Service Information - Grand Caravan, Town & Country
DESCRIPTION
DESCRIPTION
Fig. 1: 62TE Transmission
Courtesy of CHRYSLER LLC
The planetary gear train for the 62TE transaxle provides six forward gear ratios, including two fourth gear
ratios. One reverse gear ratio is also provided.
Underdrive (UD) Compounder Assembly
Low Clutch (LC)
Direct Clutch (DC)
1 - Underdrive Clutch (UD) 6 - Overrunning Clutch (ORC)
2 - Overdrive Clutch (OD) 7 - Low Clutch (LC)
3 - Reverse Clutch (R) 8 - Direct Clutch (DC)
4 - 2/4 Clutch 9 - Planetary Gear Set
5 - L/R Clutch 10 - Remote Pinion Gear
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Monday, May 23, 2011 1:26:07 PM Page 1 © 2006 Mitchell Repair Information Company, LLC.
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Overrunning Clutch (ORC)
Planetary gear set
Fore-Mounted Valve Body/Solenoid/Pressure Switch Assembly
DC solenoid
LC solenoid
DC pressure switch
LC pressure switch
Torque Converter Clutch (TC) and pressure control Solenoids
Line Pressure Sensor (LPS)
An additional (third) speed sensor
A "squashed," or flatter, torque converter
A flatter oil pump
A new cover for valve body access
23-way connector for the Solenoid/Pressure Switch Assembly
Redesigned transfer gears with an oil scavenger
A remote pinion gear
A 2-piece, closed differential case with structural clamshell housing.
The addition of the underdrive compounder assembly components improves low-end torque multiplication,
enhancing low-end power capability.
TRANSAXLE IDENTIFICATION
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Fi
g
. 2: Case Stamp & Bar Code Label Location
Courtesy of CHRYSLER LLC
The 62TE transaxle is identified by a barcode label (1) that is fixed to the transaxle or the "PK" number (2).
Fig. 3: Identification Label Breakdown
Courtesy of CHRYSLER LLC
The label contains a series of digits that can be translated into useful information such as transaxle part number,
date of manufacture, manufacturing origin, plant shift number, build sequence number, etc. Refer to for
identification label breakdown.
If the tag is not legible or missing, the "PK" number, which is stamped into the transaxle case behind the
transfer gear cover, can be referred to for identification. This number differs slightly in that it contains the entire
1 - T=TRACEABILITY
2 - SUPPLIER CODE (PK=KOKOMO)
3 - COMPONENT CODE (TK=KOKOMO TRANSMISSION)
4 - BUILD DAY (344=DEC. 9)
5 - BUILD YEAR (9=1999)
6 - LINE/SHIFT CODE (3=3RD SHIFT)
7 - BUILD SEQUENCE NUMBER
8 - LAST THREE OF P/N
9 - ALPHA
10 - TRANSAXLE PART NUMBER
11 - P=PART NUMBER
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Monday, May 23, 2011 1:26:07 PM Page 3 © 2006 Mitchell Repair Information Company, LLC.

transaxle part number, rather than the last three digits.
OPERATION
OPERATION
ELEMENTS IN USE AT EACH POSITION OF SELECTOR LEVER
A = Applied
H = Holding
* = Limp-in Mode
^ = Applied in coast only
In total, the 62TE provides seven forward ratios and one reverse.
The underdrive compounder assembly has two modes of operation: direct and reduction.
N
otice in the "What's On When" chart, the 2-3, 3-2, and 4-2 shifts require a "double swap" shift. This occurs
when two elements are turned off while two different elements are engaged.
This clutch-to-clutch synchronization takes place within 40 - 70 milliseconds, producing a smooth shift. If the
underdrive compounder assembly shifts too early (in relation to the shifts taking place in the main centerline), a
shudder or harsh shift results. If the underdrive assembly shifts too late, the driver experiences a "double bump"
sensation.
To avoid a double swap shift in a 6-4 downshift, the transaxle shifts into 4th prime, which requires the
deactivation of the OD clutch and the simultaneous application of the UD clutch.
REVERSE GEAR
62TE ELEMENTS APPLIED
GEAR RATIO UD OD R2-4 L-R LC DC ORC
1 4.127 A - - - A A ^ - H
2 2.842 A - - - A - A -
3* 2.284 A - - A - A ^ - H
4 1.573 A - - A - - A -
4 1.452 A A - - - A ^ - H
5 1.000 A A - - - - A -
6 0.689 - A - A - - A -
R 3.215 - - A - A A - -
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Fig. 4: Reverse Gear Power Flow
Courtesy of CHRYSLER LLC
In Reverse, the Reverse Clutch (R) (1) is applied to provide input torque. The reverse clutch drives the front sun
gear. The L/R clutch (2) is applied to hold the front carrier/rear annulus assembly. The rear carrier/front annulus
assembly rotates as an output member in reverse with a reduction gear ratio of 2.21:1.
Power from the main centerline transfers to the underdrive compounder annulus by way of the transfer gears
and the underdrive shaft. The Low Clutch (LC) (3) is applied to hold the underdrive compounder sun gear. With
the sun gear held, the annulus drives the underdrive compounder carrier, and a reduction gear ratio of 1.45:1 is
achieved
The main centerline ratio of 2.21:1 is multiplied by the underdrive compounder centerline ratio of 1.45:1. As a
result, the ratio through the entire gear train to the final drive in Reverse is 3.215:1.
FIRST GEAR
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Fig. 5: 1st Gear Power Flow
Courtesy of CHRYSLER LLC
In First gear, the UD clutch (1) is applied to provide input torque. The UD hub is splined to the rear sun gear.
When the UD clutch is applied, the UD hub and rear sun gear are driven. The L/R clutch (2) is applied to hold
the front carrier/rear annulus assembly. By doing so, the rear planet gears are forced to rotate around the inside
of the stationary rear annulus. The rear carrier/front annulus assembly rotates as an output member with a
reduction gear ratio of 2.84:1.
Power from the main centerline transfers to the underdrive compounder annulus by way of the transfer gears
and the underdrive shaft. The Overrunning Clutch (ORC) holds the underdrive sun gear. The LC (3) is also
applied during coast in first gear. With the sun gear held, the annulus drives the underdrive compounder carrier,
and a reduction gear ratio of 1.45:1 is achieved by the underdrive compounder gear set.
The main centerline ratio of 2.84:1 is multiplied by the underdrive compounder centerline ratio of 1.45:1. As a
result, the ratio through the entire gear train to the final drive in First gear is 4.127:1.
SECOND GEAR
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Fig. 6: 2nd Gear Power Flow
Courtesy of CHRYSLER LLC
In Second gear, the UD clutch (1) is applied to provide input torque. The UD hub is splined to the rear sun gear.
When the UD clutch is applied, the UD hub and rear sun gear are driven. The L/R clutch (2) is applied to hold
the front carrier/rear annulus assembly. By doing so, the rear planet gears are forced to rotate around the inside
of the stationary rear annulus. The rear carrier/front annulus assembly rotates as an output member with a
reduction gear ratio of 2.84:1.
Power from the main centerline transfers to the underdrive compounder gear set annulus by way of the transfer
gears and the underdrive shaft. The direct clutch (3) is applied to drive the underdrive compounder sun gear at
the same speed as the underdrive annulus. With two members driven, the underdrive compounder gear set
operates in direct, or 1:1.
The main centerline ratio of 2.84:1 is multiplied by the underdrive compounder centerline ratio of 1:1. As a
result, the ratio through the entire gear train to the final drive in Second gear is 2.84:1.
THIRD GEAR
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2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Fig. 7: 3rd Gear Power Flow
Courtesy of CHRYSLER LLC
In Third gear, the UD clutch (1) is applied to drive the rear sun gear. The UD hub is splined to the rear sun gear.
When the UD clutch is applied, the UD hub and rear sun gear are driven. The 2/4 clutch (2) is applied to hold
the front sun gear. The rear carrier/front annulus rotates as an output member with a reduction gear ratio of
1.573:1.
Power from the main centerline transfers to the underdrive compounder annulus by way of the transfer gears
and the underdrive shaft. The Overrunning Clutch (ORC) holds (4) the underdrive sun gear. The LC (3) is also
applied during coast in first gear. With the sun gear held, the annulus drives the underdrive compounder carrier,
and a reduction gear ratio of 1.45:1 is achieved by the underdrive compounder gear set.
The main centerline ratio of 1.57:1 is multiplied by the underdrive compounder centerline ratio of 1.45:1. As a
result, the ratio through the entire gear train to the final drive in Third gear is 2.28:1.
Third gear is also the default (limp-in) gear position.
FOURTH GEAR PRIME
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2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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Fig. 8: 4th Gear Prime Power Flow
Courtesy of CHRYSLER LLC
In Fourth Prime, the UD clutch (1) is applied to drive the rear sun gear. The UD hub is splined to the rear sun
gear. When the UD clutch is applied, the UD hub and rear sun gear are driven. The 2/4 clutch (2) is applied to
hold the front sun gear. The rear carrier/front annulus rotates as an output member with a reduction gear ratio of
1.57:1.
Power from the main centerline transfers to the underdrive compounder gear set annulus by way of the transfer
gears and the underdrive shaft. The direct clutch (3) is applied to drive the underdrive compounder sun gear at
the same speed as the underdrive annulus. With two members driven, the underdrive compounder gear set
operates in direct, or 1:1.
The main centerline ratio of 1.57:1 is multiplied by the underdrive compounder centerline ratio of 1:1. As a
result, the ratio through the entire gear train to the final drive in Fourth Prime is 1.573:1.
FOURTH GEAR
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Fig. 9: 4th Gear Power Flow
Courtesy of CHRYSLER LLC
In Fourth gear, the UD (1) and OD clutches (2) are applied to provide input torque. The UD hub is splined to
the rear sun gear. When the UD clutch is applied, the UD hub and rear sun gear are driven. The OD hub
assembly is splined to the front carrier/rear annulus assembly. When the OD clutch is applied, the OD hub and
front carrier/rear annulus assembly are also driven. With the rear sun gear and the rear annulus driven at the
same speed and in the same direction, the entire front/rear planetary gear train is locked and rotating as one unit.
The rear carrier/front annulus rotates as an output member in direct, or 1:1.
Power from the main centerline transfers to the underdrive compounder annulus by way of the transfer gears
and the underdrive shaft. The Overrunning Clutch (ORC) (4) holds the underdrive sun gear. The LC (3) is also
applied during coast in first gear. With the sun gear held, the annulus drives the underdrive compounder carrier,
and a reduction gear ratio of 1.45:1 is achieved by the underdrive compounder gear set.
The main centerline ratio of 1:1 is multiplied by the underdrive compounder centerline ratio of 1:45. As a result,
the ratio through the entire gear train to the final drive in Fourth gear is 1.45:1.
FIFTH GEAR
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
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