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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Steering
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Document ID# 1893252 Subject: Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft (I-Shaft) Assembly) #00-02-35-003M - (01/31/2007) Models: 2002-2006 Cadillac Escalade Models 1999-2007 Chevrolet Silverado Models (Classic) 2000-2006 Chevrolet Suburban, Tahoe Models 2002-2006 Chevrolet Avalanche 1999-2007 GMC Sierra Models (Classic) 2000-2006 GMC Yukon, Yukon XL Models 2003-2006 HUMMER H2 Attention: This Service Bulletin DOES NOT include Mid-Size Utilities such as Buick Rainier, Chevrolet TrailBlazer Models, GMC Envoy Models or Oldsmobile Bravada. Refer to Service Bulletin 02-02-35-006A or newer for Mid-Size Utilities. This bulletin is being revised to update the repair procedure with a permanent fix. 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. • 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. Do NOT lubricate or exercise the I-Shaft. Important: • 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. Replace the steering column upper intermediate shaft with an improved design shaft that will eliminate the clunk noise using the procedure listed below. Set the front wheels in the straight ahead position. Notice: On the 2002 and later model year vehicles, the steering column LOCK was removed from the steering column. It is critical that the J 42640 - Steering column Anti-Rotation Pin is used when servicing steering columns on 2002 and later model year vehicles. Failure to use the J 42640 may result in damage to the SIR coil. Set the steering wheel in the LOCK position on 2001 and prior model year vehicles. For 2002 and later vehicles, install the J 42640 in the steering column lower access hole. From under the hood, remove the lower bolt that connects the upper intermediate shaft to the steering gear coupling shaft. Slide the shaft towards the dash in order to disengage the shaft from the steering gear coupling shaft. For vehicles equipped with adjustable foot pedals, perform the following steps: 6.1. Reposition the carpet away from the accelerator pedal position (APP) sensor. 6.2. Remove the two nuts retaining the accelerator pedal to the bulkhead. 6.3. Reposition the accelerator pedal out of the way so the intermediate shaft can be removed. From inside the vehicle, remove the upper bolt from the upper intermediate steering shaft (1) to the steering column connection. Remove the upper intermediate steering shaft assembly. 8.1. From inside the vehicle, slide the shaft down and off the steering column. 8.2. From inside the vehicle, slide the upper intermediate shaft through the dash boot seal and remove the shaft from the vehicle. Replace the upper intermediate shaft. Install the upper intermediate steering shaft through the dash boot seal and slide the lower end into the steering gear coupling shaft. Raise the upper end of the intermediate steering shaft and install into the steering column shaft. Install the upper bolt and nut. Tighten Tighten the bolt to 47 N·m (35 lb ft). Install the lower bolt and nut. Tighten Tighten the bolt to 50 N·m (37 lb ft). For vehicles equipped with adjustable foot pedals, perform the following steps: 14.1. Reposition the accelerator pedals into position on the bulkhead. 14.2. Install the two retaining nuts. Tighten Tighten the nuts to 20 N·m (15 lb ft). 14.3. Reposition the carpet into place. Parts Information Part Number Description 19153614 Shaft - Upper Intermediate Steering Warranty Information For vehicles repaired under warranty, use: Labor Operation Description Labor Time E7700 Shaft, Steering Intermediate - Upper -- Replace Use Published Labor Operation Time GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION © Copyright General Motors Corporation. All Rights Reserved. Document ID# 1893252
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| dependent as some have charged and some haven't guess it depends on your personal relationship with that dealer. | |
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Replying to: gkulik1 (Jun 26, 2007 4:34 am) |
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Replying to: tompeterson1 (Jun 16, 2007 7:23 am) |
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| I have had this problem with my '05 Silverado 3 times. Each time the dealer has lubricated the steering shaft and told me that was the "fix". I'm on my way there with this TSB. | |
| I have a 2005 GMC serria ext cab,I have a steering whine when turing left or right.The dealer has tried to repair it but the problem is still there. | |
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Replying to: satterj (Aug 06, 2007 9:23 am) I am not sure if you have a 2 wheel drive (rack & pinion) or not but the valve body inside the box is defective if it starts to whine. Hope this helps, by the way I have way over 100,000+ miles logged on my truck. |
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Replying to: satterj (Aug 06, 2007 9:23 am)
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Replying to: obyone (Aug 06, 2007 5:01 pm) Sounds an expensive fix...but I want to get on this fairly quick before my extended warranty plan runs out. Any thoughts? Ken
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Replying to: obyone (Aug 06, 2007 5:01 pm) |
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