Operation CHARM: Car repair manuals for everyone.

Intake Air System Pressure Test






INTAKE AIR SYSTEM PRESSURE TEST
CHARGE AIR COOLER PRESSURE TEST
1. Loosen air inlet tube clamp at the turbocharger.
2. Remove the air filter housing and the inlet tube from the vehicle as an assembly.
3. 5.9L install the CAC Pressure Tester 9022 into the inner diameter of the turbocharger, securing it in place with the supplied three-fingered band clamp, tighten tool clamp to 8 N.m (72 in lbs).
4. 5.9L Fasten the safety chain around a solid surface behind the turbocharger.

WARNING: 5.9L Never run CAC Pressure test without the safety chain securely fastened.

5. 6.7L install the CAC Pressure Tester 10137 on the turbo, securing it in place with the supplied three-fingered band clamp, tighten tool clamp to 8 N.m (72 in lbs) then tighten the 3 wing nuts to the puck.

CAUTION: Never attempt to start or run the vehicle at any time during this test, engine damage may occur.

6. Before attaching shop air to the pressure regulator verify that the regulator is at its lowest pressure setting (0 psi).
7. Attach an air supply to the regulator and slowly increase the pressure until the pressure gauge reads 20psi.

WARNING: Never apply more than 30 PSI.

8. Using Mopar Air Leak Detector or Equivalent spray the Turbocharger, Turbocharger wastegate, Charge Air Cooler Heat Exchange and CAC Hoses while watching for leaks.
9. Before any attempt to repair the CAC system is made, it's necessary to completely discharge the system. This can be accomplished by turning the regulator knob counter-clockwise.
10. Allow for adequate time to pass before removing the CAC Pressure tester from the turbocharger inlet.
11. Position the Air Filter Housing over the three mounting studs located on the inside front fender well and press down firmly to lock housing into place.
12. Install Air Inlet Tube over the Turbocharger inlet and torque the band clamp to 35 in.lbs.

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Repair

- Test complete.
- Perform POWERTRAIN VERIFICATION TEST - 6.7L. Powertrain Verification Test