F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
3. Hold the fluid level indicator over a white facial tissue and allow the fluid to drip onto the facial tissue and examine the stain.
4. If evidence of solid material is found, the transmission fluid pan should be removed for further inspection.
5. If the stain is a foamy pink color, this may indicate coolant in the transmission. The engine cooling system should also be inspected at this time.
6. If fluid contamination or transmission failure is confirmed by the sediment in the bottom of the fluid pan, the transmission must be disassembled
and completely cleaned. This includes the torque converter, coolers, and cooler lines.
7. Carry out diagnostic checks and adjustments; refer to Diagnosis By Symptom. See: Transmission Control Systems/Testing and Inspection/Pinpoint
Tests/4R70W