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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1599 (Automatic Transmission - Automatic Transaxle/Transmission - 4R70E/4R75E) >> Diagnostic Tests >> Leakage Inspection >> Notes

Leakage Inspection: Notes

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools

Illustration Tool Name Tool Number
GF0000174Courtesy of FORD MOTOR CO.
100W/12 Volt DC UV Lamp 164-R0751
Material

Item Specification
Dye-Lite® ATF/Power Steering Fluid Leak Detection Dye
164-R3701 (Rotunda)
-
MERCON® LV Automatic Transmission Fluid
XT-10-QLV
MERCON® LV
NOTE: An ultraviolet light must be used to detect the fluorescent dye solution.
EXTERNAL TRANSMISSION FLUID LEAKS

Leak Path Possible Source
Leaks at the transmission fluid pan-to-case fittings
  • Transmission fluid pan bolts not tightened to specification
  • Transmission fluid pan gasket damaged
  • Case pan rail damaged
Transmission fluid cooler tubes or fittings leaking
  • Transmission fluid cooler tube(s), cooler line fitting(s) damaged
  • Transmission fluid cooler tube fitting-to-case union damaged
  • Case damage at case fitting
Transmission fluid cooler tubes nut-to-case fittings leaking
  • Damaged or missing O-ring seals
  • Fitting(s) not tightened to specification
Leaks at the transmission fluid cooler
  • Transmission fluid cooler damage
  • Fitting(s) damaged or not tightened to specification
Leaks at external sensors
  • Damaged or missing O-ring seals
  • Screw not tightened to specification
Leaks at the manual control lever seal
  • Damaged or missing lever seal
Leaks at the solenoid body harness connector
  • Solenoid body harness connector O-ring seal(s), either on the harness end or the solenoid body, damaged or missing
Transmission fluid leakage in the torque converter area