Air Pressure Test
WARNING: This page is about a different variant/trim than selected.
8F35/8F40 Air Ports
| Item | Description |
|---|---|
| 1 | A clutch |
| 2 | B clutch |
| 3 | C clutch |
| 4 | Hydraulic SOWC apply |
| 5 | Hydraulic SOWC release |
| 6 | E clutch |
| 7 | F clutch |
| 8 | TCC apply |
| 9 | TCC release |
| 10 | Pump out |
| 11 | Secondary pump out |
| 12 | Pump recirculate |
| 13 | Lube |
| 14 | To transmission cooler |
| 15 | Line pressure tap, auto start-stop accumulator |
| 16 | Not used |
- Using a high volume rubber tipped blow gun, apply air pressure to the suspect clutch port for 2-3 seconds.
- A dull thud indicates the clutch piston is applied.
- A hissing noise may indicate a leak in the hydraulic passages.
- While holding the blow gun nozzle firmly against the port in the transmission case, release the trigger.
- Wait 1-2 seconds.
- A hissing noise may indicate a leak in the hydraulic passages.
- Remove the blow gun from the port.
- A sudden release of air pressure indicates the hydraulic passages are capable of holding pressure.
- No noise may indicate a leak in the hydraulic passages.