C : Idle Boom/Shake/Vibration/Shudder

C1 : Check Cable/Hoses

1. Check the engine compartment for any component that may be grounding between the engine and body or chassis. Example: air conditioning (A/C) hoses.

Are the components OK?

Yes
Go to C2

No
CORRECT the condition. REPEAT the Road Test as outlined.

C2 : Check the Steering Wheel Damper.

1. Remove the driver air bag module and visually inspect the steering wheel damper for correct installation or any touch condition.

Is the damper OK?

Yes
Go to C3

No
CORRECT the condition. REPEAT the Road Test as outlined.

C3 : Check the Cooling Radiator

1. Check the engine cooling radiator mountings and bushings for security and condition. Check the radiator installation for any component that may have a touch condition.

Are the installation and bushings OK?

Yes
Go to C4

No
CORRECT the condition. REPEAT the Road Test as outlined.

C4 : Check the Exhaust System

1. Carry out the exhaust system neutralizing procedure in this section.

Is the exhaust system OK?

Yes
CHECK and INSTALL new engine/transmission mounts as necessary. REPEAT Road Test as outlined.

No
REPAIR as necessary. REPEAT Road Test.