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MainPage » Cadillac » 2002-2006 Cadillac Escalade Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft

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2002-2006 Cadillac Escalade Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft

Condition Some customers may comment on a clunk-type noise coming from under the hood that also can be felt in the steering wheel. These conditions may be more noticeable when turning at low speeds on rough road surfaces. Diagnostic Tips Use the information below to help diagnose the source of the noise. • The lower steering column bearing may create the same noise as the intermediate shaft. Before replacing the I-shaft, verify the noise isn’t being caused by movement from the lower steering column bearing. Check the bearing for movement by pushing up and down on the I-shaft where it attaches to the steering column. • Frame Snap and/or Popping Type Noise — A frame snap or popping type noise can be duplicated on rough or smooth road surfaces with steering wheel input to the left or the right. This type of noise can be HEARD and is typically louder with the windows rolled down. For additional information, refer to Corporate Bulletin Number 03-08-61-002F or newer — Snap/Popping Type Noise Coming from Front of Vehicle (Remove Front Crossmember, Change Fastener Orientation). • Intermediate Shaft Clunk — Intermediate shaft clunk is heard and FELT in the steering wheel and/or steering column area, typically while driving on rough road surfaces with steering wheel input. Correction DO THIS DON’T DO THIS Replace the I-Shaft with P/N 19153614. • I-shaft P/N 19153614 has been designed to replace previous designed dampened and non- dampened I-shafts. The physical difference in the yoke size will accommodate all vehicles listed in this bulletin. • Due to the design of the new I-shaft, it is not possible to lubricate/grease the I- shaft. 1. Set the front wheels in the straight ahead position. Do NOT lubricate or exercise the I-Shaft.

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