For 1990-2009 cars

Cause | Correction
--- | ---
DEFINITION: Inspect for proper gear oil levels prior to performing system diagnosis.
Loose propeller shaft mounting bolts | Tighten the bolts as required.
Worn propeller shaft constant velocity joint |

• | Replace the propeller shaft assembly.

• | A worn propeller shaft constant velocity joint may create a click, grinding, or snapping type of noise.

Worn universal joints |

• | Replace the propeller shaft assembly as required.

• | A worn universal joint may create a clicking or snapping type of noise.

Worn or damaged differential housing support mounting bushings side |

• | Check the bushing position and replace the bushings as required.

• | A worn bushing may create a clunk type of noise during acceleration or deceleration or wrong.

Worn or damaged differential housing support mounting bushings rear |

• | Replace the bushings as required.

• | A worn bushing may create a clunk type of noise during acceleration or deceleration.

Loose rear mounting bracket bolts | Tighten the bracket bolts as required.
Loose or damaged prop guard |

• | Repair or replace as required.

• | A loose dust shield may contact the propeller shaft assembly and create a scraping or grinding type of noise.

Bearing noise within RDM |

• | A grinding roar type of noise will increase of decrease relative to the vehicle speed.

• | Check for proper fluid level. If the noise continues, repair or replace the unit as required.

Gear set whine noise within RDM created by incorrect gear backlash | A whine type of noise will increase or decrease relative to vehicle speed.

1. Check for the proper fluid level.
2. Repair or replace the unit as required.