W T E C     I I I     E L E C T R O N I C     C O N T R O L S     T R O U B L E S H O O T I N G     M A N U A L 0011 00–124 APPENDIX B — CHECKING CLUTCH AND RETARDER PRESSURES 5.   Be  sure  that  transmission  sump  fluid  temperature  can  be  measured  (Pro-Link^®  9000  diagnostic tool may be used for this purpose). 6.   Be  sure  that  the  transmission  has  enough  fluid  for  cold  operation  until  an  operating  temperature fluid level can be set. 7.   Bring the transmission to normal operating temperature of 71–93ºC (160–200ºF). Check for fluid leaks in the added pressure gauge/transducer lines. Repair leaks as needed. Be sure that fluid level is correct. B. Recording Data 1.   Use the Pro-Link^® 9000 diagnostic tool, which allows checking of individual range clutch pres- sures, with the vehicle stationary. Consult Appendix G or the Pro-Link^® 9000 operating instruc- tions  for  Action  Request  and  select  Clutch  Test  Mode.  Follow  instructions  to  check  clutch  pres- sures in individual ranges. NOTE: Check lockup clutch pressure by driving the vehicle in a range where lockup can be obtained. Record the pressure values at the engine speed and sump fluid temperature values shown in Table B–1. The lockup clutch is functioning correctly when engine speed and turbine speed values are equal as recorded from the Pro-Link^® 9000. 2.   Consult Table B–1 and locate the transmission model that you are testing. 3.   Operate the transmission at the conditions shown in Table B–1 and record engine speed, transmis- sion sump fluid temperature, main hydraulic pressure, and clutch pressures in the ranges where a problem is suspected. Table B–1.   Clutch Pressure Test Conditions Transmission Model/ Test Type Engine rpm Sump Fluid Temperature Range Clutches Pressurized All (except MD 3070) — Idle Check 580–620 71–93ºC (160–200ºF) Neutral Reverse 1C 2C (2nd range start) C5 C3 C5 C1 C5 C1 C4 MD 3070 — Idle Check 580–620 71–93ºC (160–200ºF) Neutral Reverse LowC 1C C5 C3 C5   C3 C6   C1 C5 MD (except 3070) B 300/B 400 — High Speed 2080–2120 71–93ºC (160–200ºF) Reverse Neutral 1C 2C 2L 3L 4L 5L 6L C3 C5 C5 C1 C5 C1 C4 C1 C4 LU C1 C3 LU C1 C2 LU C2 C3 LU C2 C4 LU