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Dan
Dan, Auto Technician
Category: Chevy
Satisfied Customers: 3490
Experience:  GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified
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chevy impala front end shakes on left side

Customer Question

chevy impala front end shakes on left side
Submitted: 5 years ago.
Category: Chevy
Expert:  Dan replied 5 years ago.
Have you lifted the car and checked for anything being loose (tie rod ends, wheel hubs, ball joints, steering intermediate shaft clunking and felt in the steering wheel)?
Customer: replied 5 years ago.
replaced hub and tie rod ends left side vibrates at high speed and more vibration when suspention is moving up and down and when makeing right turns
Expert:  Dan replied 5 years ago.
Can you bounce the car up and down when sitting still and feel for the noise or vibration in the strut area?
Customer: replied 5 years ago.
no noise
Expert:  Dan replied 5 years ago.
Has the steering intermediate shaft ever been replaced?
Customer: replied 5 years ago.
what is steering intermediate shaft
Expert:  Dan replied 5 years ago.

It connects the steering gear (power steering rack and pinion) to the steering column. Very common for these to wear out. Check out this bulletin from GM.

#01-02-32-001O: Clunk Felt/Noise Heard From Steering Column, Steering Gear and/or Front of Vehicle During Turning Maneuver and/or Steering Wheel Rotation (Replace Intermediate Shaft As Directed) - (Mar 27, 2008)

Subject:Clunk Felt/Noise Heard From Steering Column, Steering Gear and/or Front Of Vehicle During Turning Maneuver and/or Steering Wheel Rotation (Replace Intermediate Shaft As Directed)

Models:2001-2004 Buick Regal
2005-2007 Buick Allure (Canada Only), LaCrosse
2000-2008 Chevrolet Impala
2000-2007 Chevrolet Monte Carlo
1998-2002 Oldsmobile Intrigue
2004-2007 Pontiac Grand Prix

 


This bulletin is being revised to provide new I-shaft part numbers for servicing Allure and LaCrosse vehicles built PRIOR to January 1, 2006. A Corrective Action Summary has been added to this bulletin for quick reference. Please discard Corporate Bulletin Number 01-02-32-001N (Section 02 -- Steering).


Corrective Action Summary:

Model Year

Vehicle Line

Corrective Action

2001-2004

Buick Regal

Replace using P/N 19179922

2005-2006

Buick Allure/LaCrosse

(built PRIOR to January 1, 2006)

Replace using P/N 25829292

2006-2007

Buick Allure/LaCrosse

(built AFTER to January 1, 2006)

Replace using P/N 25828562

2000-2005

Chevrolet Impala

Replace using P/N 19179923

2006-2008

Chevrolet Impala

Replace using P/N 25913681

2000-2005

Chevrolet Monte Carlo

Replace using P/N 19179922

2006-2007

Chevrolet Monte Carlo

Replace using P/N 25913680

1998-2002

Oldsmobile Intrigue

Replace using P/N 19179922

2004-2008

Pontiac Grand Prix

Replace using P/N 25913680

Condition

Some customers may comment on a clunk type noise coming from the front of the vehicle while driving during a turning maneuver. This condition may also be felt through the steering wheel when the vehicle is stationary and the wheel is rotated from steering stop to steering stop. Some vehicles may only exhibit the noise once for every 360° of wheel rotation. On all other vehicles, this clunk noise will be noticed during low speed acceleration or deceleration, typically in light turns of the steering wheel or when applying/releasing the brakes.

Cause

This condition may be caused by a "slip stick" condition resulting in the clunk noise or feel through the steering wheel.

Diagnostic Tip

Important: This condition is commonly misdiagnosed as originating in the steering gear and has resulted in the replacement of numerous steering gears without correcting the concern.

Attempt to duplicate the customer's concern and isolate the I-shaft by following the procedure below:

  1. Locate a large area (parking lot) where the vehicle can be turned in a tight circle.
  2. Turn the steering wheel to the right and/or left all the way to the steering lock, then off the steering lock a 1/4 turn.
  3. Drive the vehicle approximately 5 km/h (3 mph) in a circle, preferably over rough pavement or seams on the road surface.
  4. If a clunk is felt in the steering wheel, the MOST likely cause is the I-shaft -- not the steering gear. Continue with the correction.
  5. Drive the vehicle straight ahead at idle speed while applying and releasing the brake pedal. Listen/feel the steering wheel for the clunk-/noise condition.

Correction

DO THIS

DON'T DO THIS

Replace the intermediate shaft

DO NOT lube the intermediate shaft.

Replace the existing intermediate shaft using the service procedure found in Service Information.

Parts Information

Part Number

Description

19179922

Shaft -- Steering Gear Coupling

'01-'04 Buick Regal

'00-'05 Chev Monte Carlo

'98-'02 Olds Intrigue

19179923

Shaft -- Steering Gear Coupling

'00-'05 Chev Impala

25913680

Shaft -- Steering Gear Coupling

'06-'07 Chev Monte Carlo

'04-'08 Pont Grand Prix

25913681

Shaft -- Steering Gear Coupling

'06-'08 Chev Impala

25829292

Shaft -- Steering Gear Coupling '05-'06 Buick Allure and LaCrosse vehicles built PRIOR to January 1, 2006

25828562

Shaft -- Steering Gear Coupling '06-'07 Buick Allure and LaCrosse vehicles built AFTER January 1, 2006

Dan, Auto Technician
Category: Chevy
Satisfied Customers: 3490
Experience: GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified
Dan and 3 other Chevy Specialists are ready to help you
Customer: replied 5 years ago.
i will try but vibration happens at high speed not really a clunk
Expert:  Dan replied 5 years ago.
Ok, check it out and let me know. I should be on most of today and some tomorrow.

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