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Anyone here, who could give me more detailed information about these TSB ?



Automotive Recall and Technical Service Bulletin Titles for 2004 Chevy Truck Avalanche 1500 4WD V8-5.3L VIN T

TSB Number & Issue Date TSB Title

05-02-32-008B JUL 07 Steering - Lack of Assist at Low Speeds

00-02-35-003M JAN 07 Steering - Clunking Noises Felt in Steering Wheel

06-02-32-013 OCT 06 Power Steering - Diagnostic Tips

01-05-26-001A APR 05 Brakes - Low Effort Parking Brake System Information


03-05-24-001A MAR 05 Brakes - Wheel Cylinder Inspection Guidelines




Help with this would be really great. Here in germany is no one who got enough knowledge to give more information about.​

Thanks in advance,
Sven​
 

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Do you want me to post copies of the actual tsb's to read? That shouldn't be a problem!
 

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Discussion Starter · #3 ·
Do you want me to post copies of the actual tsb's to read? That shouldn't be a problem!
That would be great, if you could post the TSB i'm looking for.
If these are too much to post here for reading, i could send you a PM with my personal email adress.

Thanks in advance,
Sven
 

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Subject:EI06002 - 670 Gear Box Power Steering Pump, P/S Performance Concerns #05-02-32-008B - (07/18/2007)
Models:2003-2006 Cadillac Escalade, Escalade ESV, Escalade EXT

2003-2006 Chevrolet Avalanche, Suburban, Tahoe

2003-2007 Chevrolet Silverado Classic

2007-2008 Chevrolet Silverado, Suburban (2500 Series Only)

2003-2006 GMC Yukon, Yukon Denali, Yukon XL

2003-2007 GMC Sierra Classic

2007-2008 GMC Sierra, Yukon XL (2500 Series Only)

This bulletin is being revised to add model years and models. Please discard Corporate Bulletin Number 05-02-32-008A (Section 02 -- Steering).
Condition

Some customers may comment on a lack of steering assist when stopped or during parking lot type maneuvers. A lack of steering assist could occur if the brakes are applied and turning the steering wheel with the vehicle stopped or during parking lot type maneuvers. This condition will go away or greatly improve once vehicle begins to move or is above parking lot speeds. This concern can be aggravated by worn tires, low tire air pressure, low power steering pump pressures, and tires larger than stock size.
Correction

Important: In all cases, it is recommended that the proper tire size and the maximum tire pressure is set according to the manufacturer’s specification as noted on the door placard; especially for the front tires.
  1. Perform the "Power Steering System Test" found in SI. Make any necessary repairs based on system diagnosis.
    1.1. FOR 2500 AND 3500 VEHICLES ONLY - If diagnostics did not lead to any repair, this concern is a normal operating characteristic. No further repairs should be made. A Field Product Report should be submitted - refer to Corporate Bulletin Number 02-00-89-002D.
    1.2. FOR 1500 SERIES VEHICLES ONLY - If diagnostics did not lead to any repair, this concern is a normal operating characteristic.​
  2. If the vehicle is equipped with a 670 gear box, replacing it with a 680 gear box may increase the customer satisfaction.
  3. To determine if the vehicle is equipped with a 670 gear box, inspect the mounting bolts that attach the stub shaft housing. A 670 gear box will only have 3 mounting bolts. If the stub shaft housing does not have any mounting bolts or has 4 bolts - DO NOT PROCEED WITH THIS BULLETIN. The vehicle is not equipped with a 670 gear box.
  4. If replacing a 670 gear box with a 680 gear box, it will be necessary to replace the power steering gear, union fitting and both inlet O-ring seals.
Parts Information

Part Number
Description
88965542
Power Steering Gear
26025709
Union Fitting
26001594
Inlet O-ring Seal
Warranty Information

For vehicles repaired under warranty, choose the one labor operation that reflects the corrective action:
Labor Operation
Description
Labor Time
E9050
Pump Assembly, Power Steering - Replace
Use Published Labor Operation Time
E9740
Gear Assembly, Power Steering - 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# 1998821

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. Please discard Corporate Bulletin Number 00-02-35-003L (Section 02 -- Steering).
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.
  1. 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.
  2. Set the steering wheel in the LOCK position on 2001 and prior model year vehicles.

  3. For 2002 and later vehicles, install the J 42640 in the steering column lower access hole.

  4. From under the hood, remove the lower bolt that connects the upper intermediate shaft to the steering gear coupling shaft.
  5. Slide the shaft towards the dash in order to disengage the shaft from the steering gear coupling shaft.
  6. 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.​


  7. From inside the vehicle, remove the upper bolt from the upper intermediate steering shaft (1) to the steering column connection.
  8. 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.​
  9. Replace the upper intermediate shaft.
  10. Install the upper intermediate steering shaft through the dash boot seal and slide the lower end into the steering gear coupling shaft.
  11. Raise the upper end of the intermediate steering shaft and install into the steering column shaft.
  12. Install the upper bolt and nut.Tighten
    Tighten the bolt to 47 N·m (35 lb ft).
  13. Install the lower bolt and nut.Tighten
    Tighten the bolt to 50 N·m (37 lb ft).
  14. 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

Document ID# 1869042
Subject:Info - Diagnostic Tips/Recommendations When Power Steering Pump Replacement is Necessary #06-02-32-013 - (10/25/2006)
Models:1997-2007 GM Passenger Cars and Light Duty Trucks (including Saturn)

2003-2007 HUMMER H2

2006-2007 HUMMER H3

2005-2007 Saab 9-7X

A recently completed analysis of returned power steering (PS) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of "No Trouble Found" results.
Service Bulletin Number 01-02-32-004 indicates that when attempting to repair a power steering concern, the steering system analyzer should be utilized to assist the technician in a successful diagnosis.
In addition, extensive warranty analysis has shown that the following situations are all significant root causes of PS pump failures:
• Improper pulley installation​
• Re-using the O-rings​
• Using fluid other than the OE-specified steering fluid​
• Failure to flush the PS system​
In order to help improve customer satisfaction and reduce comebacks, GM recommends the following tips for replacing a PS pump:
  1. Low or no pressure from the PS pump may be the results of dirty or contaminated fluid, which could cause the pressure relief valve to stop functioning. Using the proper tools, flush and bleed the PS system. Any residual contaminants will result in pump failure.
  2. When removing the pulley, use the proper special tools. Because the pulley alignment is critical, distorting the pulley may damage bearings on the new PS pump.
  3. Be sure to use only the new O-rings included with the PS pump. The new reservoir O-ring must be lubricated with OE-specific PS fluid prior to installation. Also make sure that the control valve O-ring is in its exact groove position and is NOT covering the pressure bypass hole.
  4. Bleed the PS system according to the procedures/recommendations in SI.
Following these procedures and using the correct tools and fluids should help ensure that the new PS pump operates properly. Skipping steps may cost you time and trouble later.

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# 1869042

Document ID# 1645426
Subject:Info - Low Effort Parking Brake Apply System #01-05-26-001A - (04/08/2005)
Models:2002-2005 Cadillac Escalade, Escalade EXT

2003-2005 Cadillac Escalade ESV

1999-2005 Chevrolet and GMC Full Size Pickup Models

2000-2005 Chevrolet and GMC Full Size Utility Models

2003-2005 HUMMER H2

with Rear Disc Brakes

This bulletin is being revised to add models and model years. Please discard Corporate Bulletin Number 01-05-26-001 (Section 05 -- Brakes).
The vehicles indicated above have a "low effort" parking brake apply system. The design intent is that a low force on the park brake pedal will effectively apply the park brake. This was done so all operators can easily apply the park brake sufficiently to maintain the vehicle in a stationary position on an incline.
Owners should not interpret this low pedal effort as an indication of system effectiveness.
This park brake system is self-adjusting and there are no cable adjustment provisions on these vehicles. When a vehicle park brake system has been serviced and/or the brake rotor has been removed or replaced, ensure proper system setting is achieved by performing the following steps:
  1. Verify that the park brake shoes are adjusted to provide a clearance of 0.66 mm (0.026 in) between the shoes and brake rotor as indicated in the applicable Service Manual procedure.
  2. Fully apply and release the park brake lever three times.
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# 1645426

Document ID# 1637435
Subject:Info - Revised Front Caster and Camber Adjustment Procedure #02-03-07-002A - (03/24/2005)
Models:1999-2000 Cadillac Escalade

2002-2005 Cadillac Escalade, Escalade EXT

1999-2005 Chevrolet Express, Silverado, Suburban, Tahoe

2002-2005 Chevrolet Avalanche

1999 GMC Suburban

1999-2005 GMC Savana, Sierra, Yukon, Yukon XL, Yukon XL Denali

2003-2005 HUMMER H2

This bulletin is being revised to add model years and clarify the information. Please discard Corporate Bulletin Number 02-03-07-002 (Section 03 - Suspension).
When performing a wheel alignment on any of the above vehicles, please refer to the Front Caster and Camber Adjustment Procedure in SI before contacting the GM Technical Assistance Center (TAC) with issues concerning adjustments, caster out-of-spec, etc.

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# 1637435

Document ID# 1631885
Subject:Service Information Regarding Rear Brake Drum Wheel Cylinder Inspections #03-05-24-001A - (03/21/2005)
Models:2005 and Prior GM Passenger Cars and Trucks

2005 and Prior HUMMER H2

2005 and Prior Saturn Vehicles

with Rear Drum Brakes

This bulletin is being revised add model years and include all GM vehicles. Please discard Corporate Bulletin Number 03-05-24-001 (Section 03 - Suspension).
This bulletin provides information on proper inspection of rear drum brake wheel cylinders.
Important: It is not recommended that dust boots be removed during inspection processes as dirt and debris could contaminate the wheel cylinder bore causing premature wear of the wheel cylinder. In addition, most bores should look damp and some lubricant may drip out from under the boot as a result of lubricant being present.
All rear drum brake wheel cylinders are assembled with a lubricant to aid in assembly, provide an anti-corrosion coating to the cylinder bore, and lubricate internal rubber components. As a result of this lubrication process, it is not uncommon for some amount of lubricant to accumulate at the ends of the cylinder under the dust boot.
Over time, the lubricant may work its way to the outside of the boot and cause an area of the boot to look damp. Evidence of a damp area on the boot does not indicate a leak in the cylinder. However, if there is excessive wetness (i.e. drips) coming from the boot area of the wheel cylinder, it could indicate a brake hydraulic fluid leak requiring wheel cylinder replacement. (Refer to the Wheel Cylinder Replacement procedures in the appropriate Service Manual.)

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# 1631885

Document ID# 1583296
Subject:Info - Rear Parking Brake Shoe Retaining Spring Clip Service Kit for Drum-in-Hat (DIH) Equipped Vehicles #02-05-26-001C - (01/19/2005)
Models:2004-2005 Buick Rainier

2002-2005 Cadillac Escalade Models

2002-2005 Chevrolet Avalanche

1998-2005 Chevrolet Blazer

1999-2005 Chevrolet Silverado Models

2000-2005 Chevrolet Suburban, Tahoe

2002-2005 Chevrolet SSR, TrailBlazer Models

2003-2005 Chevrolet Astro, Express

1998-2005 GMC Jimmy

1999-2005 GMC Sierra Models

2000-2005 GMC Yukon Models

2002-2005 GMC Envoy Models

2003-2005 GMC Safari, Savana

1998-2004 Oldsmobile Bravada

This Bulletin ONLY applies to 1500 series vehicles with four wheel disc brakes.

This bulletin is being revised to include additional models and clarify parts usage information. Please discard Corporate Bulletin Number 02-05-26-001B (Section 05 -- Brakes).



A rear parking brake retaining spring clip kit has been released for service. This kit consists of two parking brake hold down spring clips (2) and bolts (3).
Notice: Use J 46277 Rotor Removal Tool with J 6125-B Slide Hammer to remove the rotor from the vehicle. Place J 46277 between the rotor surfaces in the vent section of the rotor. DO NOT place J 46277 on the back side of the rotor surface, it may damage the rotor surface.
During rear brake rotor removal, it is possible to damage the parking brake shoe retaining spring clip. Order this new kit when replacement of the clips is required but the parking brake shoes do not require replacement.
Important: The spring clip kits mentioned in this bulletin do not address any parking brake concerns. Refer to the Parking Brakes sub-section of the Service Manual for any diagnostic information.
Parts Information

Part Number
Description
Qty
88936340
Spring Clip, Parking Brake Retainer Kit (1998-2000 S/T Classic Models)
1
88936342
Spring Clip, Parking Brake Retainer Kit (2001-2005 S/T Classic Models)
1
88935748
Spring Clip, Parking Brake Retainer Kit (2002-2005 S/T Models, SSR)
1
88982879
Spring Clip, Parking Brake Retainer Kit (C/K, M/L, G Models)
1
Parts are currently available from GMSPO.
Warranty Information

When removal of the rear brake rotors results in damage to the spring clips on vehicles under warranty, use the following labor operation in conjunction with one of the kit part numbers listed above.
Labor Operation
Description
Labor Time
H2956
Parking Brake Shoe Retaining Clip - Replace
0.9 hr
Add:
To Sand or Grind DIH (ONE SIDE)
0.2 hr
Add:
To Sand or Grind DIH (BOTH SIDES)
0.3 hr
Add:
To Sand Brake Shoes (ONE OR BOTH SIDES)
0.1 hr

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.
 

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Discussion Starter · #5 ·
Thanks a lot for your help.

Now i could check, if the things, that i might heard/felt/thought about the the truck of my buddy are true or not. He got some issues with the steering and the park brake. Will check it next weekend.


Cu,
Sven
 
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