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Home >> Ford >> 2024 >> E-Transit Cutaway >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Automatic Transmission - 10-Speed Automatic Transmission - 10R80 (Symptom Diagnosis - Installation)) >> Diagnosis And Testing >> Special Testing Procedures >> Air Pressure Test

Air Pressure Test

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GFD839334Courtesy of FORD MOTOR COMPANY

10R60/10R80/10R100 Air Ports 

Item  Description 
1 A clutch
2 B clutch
3 C clutch
4 D clutch
5 E clutch
6 F clutch
7 TCC apply
8 TCC release
9 Lube
10 To cooler
11 From cooler
12 Line pressure tap
  1. Using a high volume rubber tipped blow gun, apply air pressure to the suspect clutch port for 2-3 seconds.
  2. While applying air pressure, a dull thud on clutches A and B would indicate the clutch piston is applied.
  3. While applying air pressure, a hissing noise may indicate a leak in the hydraulic passages.
  4. While applying air pressure, cross leakage in the hydraulic circuit between the C, D, E and F rotating clutch seals is expected.