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Pressure Testing and Specifications: Chrysler

The CVT uses higher fluid pressures than standard automatic transmissions. A pressure gauge with at least 1000 psi capacity is required to safely measure CVT pressures. There are pressure taps in three areas to measure line pressure, forward clutch pressure, primary pressure, torque converter apply/release pressure, secondary pressure, and reverse brake pressure. The document provides specifications for normal operating pressure ranges at various locations within the transmission under different conditions.

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276 views2 pages

Pressure Testing and Specifications: Chrysler

The CVT uses higher fluid pressures than standard automatic transmissions. A pressure gauge with at least 1000 psi capacity is required to safely measure CVT pressures. There are pressure taps in three areas to measure line pressure, forward clutch pressure, primary pressure, torque converter apply/release pressure, secondary pressure, and reverse brake pressure. The document provides specifications for normal operating pressure ranges at various locations within the transmission under different conditions.

Uploaded by

haddadi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Chrysler 217

CVT2
Pressure Testing and Specifications
The CVT uses considerably higher pressures than most standard automatic transaxles.
A pressure gauge with a MINIMUM 7000 Kpa (1000 psi) capacity is required to take mea-
surements. Lower pressure rated gauges will be damaged when testing!
The pressure taps are located in 3 areas of the transaxle. Certain diagnostic situations
may require knowing the pressure at these various locations. ALWAYS USE CARE when
doing pressure testing.

1. Secondary Pressure
2. Reverse Brake
3. Torque Converter Release Pressure
4. Torque Converter Apply Pressure
5. Primary Pressure
6. Forward Clutch Pressure
7. Line Pressure

© 2011 ATRA. All Rights Reserved.


218 Chrysler

CVT2
Pressure Testing and Specifications
Fluid Pressure Fluid Pressure Remarks
(minimum-maximum) (measurement reference value)
Reference Value- Measurement Condition Reference Value- Metric / Standard
Metric / Standard
Line Pressure 0.5 – 6.0 Mpa Idling 0.5 – 1.5 Mpa
(5.1 - 61.2 kg/cm2) (5.1 - 15.3 kg/cm2)
73 – 870 psi 73 – 217 psi
Forward Clutch 0.5 – 1.5 Mpa Idling (D position) 0.5 – 1.0 Mpa P, R, and N positions: 0
Pressure (5.1-15.3 kg/cm2) (5.1-10.2 kg/cm2) Mpa (okg/cm2)
73 – 217 psi 73 – 145 psi
Primary Pressure 0.1 – 6.0 Mpa Idling 0.1 – 1.5 Mpa
(1.0 - 61.2 kg/cm2) (1.0 – 15.3 kg/cm2)
14 – 870 psi 14 – 217 psi
Torque Converter 0.0 – 1.0 Mpa Lock-up ON: 0.0 – 0.2 Mpa
Apply Pressure (0.0 - 10.2 kg/cm2) (0.0 – 2.0 kg/cm2)
0 – 145 psi 0 – 29 psi
Torque Converter 0.0 – 1.0 Mpa Lock-up OFF: 0.0 – 0.2 Mpa
Release Pressure (0.0 - 10.2 kg/cm2) (0.0 – 2.0 kg/cm2)
0 – 145 psi 0 – 29 psi
Secondary 0.1 – 6.0 Mpa Idling 0.1 – 1.5 Mpa
Pressure (1.0 - 61.2 kg/cm2) (1.0 - 15.3 kg/cm2)
14 – 870 psi 14 – 217 psi
Reverse Brake 0.1 – 1.5 Mpa Idling (R position) 0.5 – 1.0 Mpa Out of R position:
Pressure (1.0 – 15.3 kg/cm2) (5.1 – 10.2 kg/cm2) 0 Mpa (0kg/cm2)
14 – 217 psi 73 – 145 psi

© 2011 ATRA. All Rights Reserved.

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