Chrysler PT Cruiser. Manual — part 817
Compressor 5058A
Compressor 5059-A
Installer 5067
Pliers 6051
Installer 6052
Installer 6053
Button 6055
Plate 6056
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40TE AUTOMATIC TRANSAXLE
PT
40TE AUTOMATIC TRANSAXLE (Continued)
Disk 6057
Installer 6061
Remover 6062-A
Holder 6259
Bolt 6260
Installer 6261
Tip 6268
Remover/Installer 6301
PT
40TE AUTOMATIC TRANSAXLE
21 - 223
40TE AUTOMATIC TRANSAXLE (Continued)
Remover/Installer 6302
Installer 6536-A
Puller 7794-A
End Play Socket Set 8266
Input Clutch Pressure Fixture 8391
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40TE AUTOMATIC TRANSAXLE
PT
40TE AUTOMATIC TRANSAXLE (Continued)
ACCUMULATOR
DESCRIPTION
The 4XTE underdrive, overdrive, low/reverse, and
2/4 clutch hydraulic circuits each contain an accumu-
lator. An accumulator typically consists of a piston,
return spring(s), and a cover or plug. The overdrive
and underdrive accumulators are located within the
transaxle case, and are retained by the valve body
(Fig. 164).
The low reverse accumulator (Fig. 165) is also
located within the transaxle case, but the assembly is
retained by a cover and a snap-ring.
The 2/4 accumulator is located in the valve body. It
is retained by a cover and retaining screws (Fig.
166).
OPERATION
The function of an accumulator is to cushion the
application of a frictional clutch element. When pres-
surized fluid is applied to a clutch circuit, the appli-
cation force is dampened by fluid collecting in the
respective accumulator chamber against the piston
and spring(s). The intended result is a smooth, firm
clutch application.
DRIVING CLUTCHES
DESCRIPTION
Three hydraulically applied input clutches are used
to drive planetary components. The underdrive, over-
drive, and reverse clutches are considered input
clutches and are contained within the input clutch
assembly (Fig. 167). The input clutch assembly also
contains:
• Input shaft
• Input hub
• Clutch retainer
• Underdrive piston
• Overdrive/reverse piston
• Overdrive hub
• Underdrive hub
OPERATION
The three input clutches are responsible for driving
different components of the planetary geartrain.
Fig. 164 Underdrive and Overdrive Accumulators
1 - OVERDRIVE PISTON AND SPRING
2 - UNDERDRIVE PISTON AND SPRING
Fig. 165 Low/Reverse Accumulator
1 - PISTON
2 - RETURN SPRINGS
Fig. 166 2/4 Accumulator Assembly
1 - VALVE BODY
2 - RETAINER PLATE
3 - DETENT SPRING
4 - RETURN SPRINGS
5 - PISTON
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40TE AUTOMATIC TRANSAXLE
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