Main pressure, checking
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1995 Volkswagen Jetta III, 1995 Volkswagen Golf III, 1995 Volkswagen Cabrio, 1994 Volkswagen Jetta III, and 1994 Volkswagen Golf III. However, it is still accessible from the selected car via links, so may be relevant.
- Before checking the main pressure, check the Diagnostic Trouble Code (DTC) Memory and, if necessary, repair electrical malfunctions.
- Check DTC Memory
See Diagnostic Trouble Code (DTC) Memory, checking .
Pressure gauge connection for automatic transmission 096 (arrow)
- Remove main pressure drilling plug.
- Always replace main pressure drilling plug
- Connect pressure gauge VAG 1702 and tighten knurled screw.
- Bleed pressure gauge VAG 1702 line by loosening knurled screw with engine running.CAUTION: Tighten the knurled screw again after bleeding.
- Bring automatic transmission fluid (ATF) temperature to 60 °C (140 °F); to do this connect VAG 1551 Scan Tool (ST) and read temperature in measured value block.
- If possible, carry out the main pressure test on a chassis dynamometer (rolling road).MAIN PRESSURE SPECIFICATIONS
Automatic transmission Selector lever positions and test conditions 096 Solenoid Valve connector pulled off (1) D R D R Idle Idle Engine Speed (RPM) approx. 2000 RPM Engine Speed (RPM) approx. 2000 RPM Main pressure - bar (psi) 3.4-3.8 (49-55) 6.5-7.5 (94-109) 10.1-11.3 (146-164) 23.0-24.0 (334-348) (1) After reconnecting the Solenoid Valve connector, check and erase DTC Memory. See Diagnostic Trouble Code (DTC) Memory, checking and Diagnostic Trouble Code (DTC) Memory, erasing . If main pressure deviates from specified values, the following are possible causes and recommended remedies:
Pressure Deviation Possible Causes And Recommended RemediesPossible cause Remedy Idle speed too high Adjust ATF pump malfunctioning Check ATF pump replace if necessary Control valve sticking in valve body Replace valve body