PRE-RELEASE
Pressure testing the charge air cooler and delivery pipe, B207
| Pressure testing the charge air cooler and delivery pipe, B207 |
| To remove |
| Important | ||
|
Exercise great care when pressurising the charge air system. Too high pressure can damage the radiator, hoses and connections. |
||
| 1. |
Remove the upper engine cover.
|
|
| 2. |
Remove the upper hose clips on the charge air hose under the turbo.
|
|
| 3. |
Raise the car.
CV:
Remove
Chassis reinforcement, front supporting frame, CV
|
|
| 4. |
Remove the charge air pipe retaining bolts on the oil pan.
|
|
| 5. |
Pull down the charge air pipe so that the hose connection comes loose from the turbo.
|
|
| 6. |
Lower the car.
|
|
| 7. |
Fit
83 94 587 Plug, turbo hose
in the charge air pipe hose and tighten the hose clip.
|
|
| 8. |
Detach the charge air hose from the throttle body.
|
|
| 9. |
Fit
83 94 595 Plug, turbo hose
in the hose and tighten the hose clip.
|
|
| 10. |
Connect
83 93 514 Charge pressure meter
to the plug.
|
|
| 11. |
Connect an air gun to the charge pressure meter's T-coupling.
|
|
| 12. |
Carefully create a pressure of around 1 bar.
|
|
| 13. |
Check that the pressure does not fall more than 0.1 bar in 30 seconds. If the pressure drop is greater or if hissing can be heard, then check the hoses, pipes and connections for leaks. Use soap water or similar to detect any leaks.
|
|
| 14. |
If there are no leaks in the hoses or pipes and the pressure drops, remove the charge air cooler and test pressurise it. See
to remove and to fit, charge air cooler
.
|
|
| To fit |
| 1. |
Release the pressure and remove the charge air pressure meter.
|
|
| 2. |
Remove the plugs from the charge air pipe hoses.
|
||||||||||
| 3. |
Fit the hoses to the turbo and throttle body and tighten the hose clips.
|
|
| 4. |
Raise the car.
|
|
| 5. |
Fit the screw to the charge air cooler on the engine oil pan.
CV:
Fit
Chassis reinforcement, front supporting frame, CV
|
|
| 6. |
Lower the car.
|
|
| 7. |
Fit the upper engine cover.
|
|
