Diagnostic Test
WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- CHARGE AIR COOLER PRESSURE TEST
- Loosen the Air Inlet Tube clamp at the Turbocharger.
- Remove the air filter housing and the inlet tube from the vehicle as an assembly.
- Install the (special tool #10137, Adapter, Charge Air) 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.
- Before attaching shop air to the pressure regulator verify that the regulator is at its lowest pressure setting (0 psi).
- Attach an air supply to the regulator and slowly increase the pressure until the pressure gauge reads 20 psi.WARNING:
Never apply more than 30 PSI.
- Using Mopar Air Leak Detector or Equivalent, spray the Turbocharger, Turbocharger wastegate, Charge Air Cooler (CAC) Heat Exchange and CAC Hoses while watching for leaks.
- 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.
- Allow for adequate time to pass before removing the CAC Pressure tester from the turbocharger inlet.
- 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.
- Install Air Inlet Tube over the Turbocharger inlet and torque the band clamp to 35 in.lbs.
View Repair
Repair
- Test complete.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .