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NHTSA ID Number: 10078871
Manufacturer Communication Number: PIP-4554-M
Summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE STEPS ON REPAIRING A CLUNK NOISE AFTER SHIFTING FROM REVERSE TO DRIVE OR DRIVE TO REVERSE AND THEN ACCELERATING. THE CONCERN IS ONLY WITH REAR WHEEL DRIVE 6L45 OR 6L50 AUTOMATIC TRANSMISSIONS WITH REGULAR PRODUCTION OPTION CODE MYA OR MYB APPLY. APPLY THREAD LOCKER TO THE TRANSMISSION OUTPUT SHAFT FLANGE SPLINES AND INSTALL A NEW FRONT PROPELLER SHAFT FLANGE NUT. APPLY THREAD LOCKER TO THE NEW PROPELLER SHAFT FLANGE NUT IF IT DOES NOT CONTAIN A PRE-APPLIED ADHESIVE PATCH.
Condition/Concern
Clunk noise after shifting from Reverse to Drive or Drive to Reverse and then accelerating.
This noise typically does not occur during the reverse to drive or drive to reverse shift, but is heard after the shift when the vehicle is accelerated. The noise may sound like it is coming from the rear of the vehicle from the rear drive axle.
Driveline bump, clunk or thud on heavy acceleration or upon braking. This condition is more likely to be duplicated in low gear on acceleration or deceleration.
Parts
| Part Number | Description | QTY |
89021297  | Adhesive/Sealant, Thread locker High Strength 10 ml – (US) | 1 |
| 10953488 | Adhesive/Sealant, Thread locker High Strength 10 ml – (Canada) | 1 |
| 24256278 | Nut, Front Propeller Shaft Flange | 1 |
21 Affected Products
Vehicles
1 Associated Document
Service Bulletin Document
Bulletin No.: PIP4554M
Date: May-2016
SB-10078871-7690.pdf 133.277KB
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NHTSA ID Number: 10114379
Manufacturer Communication Number: PIP4554L
Summary
This Preliminary Information communication provides the technician with the steps on repairing a clunk noise after shifting from reverse to drive or drive to reverse and then accelerating. The concern is only with rear wheel drive 6L45 or 6L50 automatic transmissions with Regular Production Option Code MYA or MYB apply. Apply thread locker to the transmission output shaft flange splines and install a new front propeller shaft flange nut. Apply thread locker to the new propeller shaft flange nut if it does not contain a pre-applied adhesive patch.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP4554L
Date: Feb-2015
MC-10114379-9999.pdf 134.225KB
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NHTSA ID Number: 10125941
Manufacturer Communication Number: PIP4554K
Summary
This Preliminary Information communication provides the technician with the steps on repairing a clunk noise after shifting from reverse to drive or drive to reverse and then accelerating. The concern is only with rear wheel drive 6L45 or 6L50 automatic transmissions with Regular Production Option Code MYA or MYB apply. Apply thread locker to the transmission output shaft flange splines and install a new front propeller shaft flange nut. Apply thread locker to the new propeller shaft flange nut if it does not contain a pre-applied adhesive patch.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP4554K
Date: Jun-2014
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NHTSA ID Number: 10069496
Manufacturer Communication Number: PIP4554K
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIP4554K
Date: June, 2014
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NHTSA ID Number: 10111917
Manufacturer Communication Number: PIP4554J
Summary
This Preliminary Information communication provides the technician with the steps on repairing a clunk noise after shifting from reverse to drive or drive to reverse and then accelerating. The concern is only with rear wheel drive 6L45 or 6L50 automatic transmissions with Regular Production Option Code MYA or MYB apply. Apply thread locker to the transmission output shaft flange splines and install a new front propeller shaft flange nut. Apply thread locker to the new propeller shaft flange nut if it does not contain a pre-applied adhesive patch.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP4554J
Date: Feb-2014
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NHTSA ID Number: 10069495
Manufacturer Communication Number: PIP4554J
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIP4554J
Date: February, 2014
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NHTSA ID Number: 10112593
Manufacturer Communication Number: PIP4554H
Summary
This Preliminary Information communication provides the technician with the steps on repairing a clunk noise after shifting from reverse to drive or drive to reverse and then accelerating. The concern is only with rear wheel drive 6L45 or 6L50 automatic transmissions with Regular Production Option Code MYA or MYB apply. Apply thread locker to the transmission output shaft flange splines and install a new front propeller shaft flange nut. Apply thread locker to the new propeller shaft flange nut if it does not contain a pre-applied adhesive patch.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP4554H
Date: Nov-2012
MC-10112593-9999.pdf 133.388KB
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NHTSA ID Number: 10061426
Manufacturer Communication Number: SB-PIP-4554-G
- Protects threads
- Medium strength
- Locks threads
- Prevents rusting of threads
- Can be removed with hand tools
- Size: 50 ml
- Color: Blue
- Characteristic odor
- A general-purpose, medium-strength threadlocker with improved oil tolerance
- Oil-tolerant curing on as-received fasteners without cleaning
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- ELIMINATE SPILLS WITH PATIENCE: GH1200 thread lock gives you the luxury to get rid of messy spills and wasted time cleaning up after unreliable applicators. Our product features a robust, precision-engineered nozzle that ensures a clean, controlled application, preventing leaks. keep your project area spotless with our Seal Fasteners threadlocker.
- STOP LEAKS AND FRUSTRATION: Our Seal Fasteners thread locker saves you from leaky valves, drips from loose water pumps & loose bolts in machinery. Our threadlocker forms a secure, long-lasting bond that prevents leaks, vibrations, and loosening. Keep your projects secure and frustration-free with GH1200 thread locker.
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- Prevents Rusting / Corrosion / Leakage: With its unique anaerobic solidification function, this flowing liquid ensures tight contact and perfect sealing of bolts and nuts. Eliminate the need for additional washers or traditional locking screws, saving you time and cost.
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- Simple Operation: Just apply a small amount to the bolt and nut fixing position, And then it will Start to Cure in 10 Minutes, And your items can be used normally after 24 hours of fully cured. The peak nozzle design with pull-up opening and downward pressure sealing can easily maintain the long-term effectiveness of the glue and enable precise and controllable application.
- Wise Choice: Same formula, Same using experience. American brand, Chinese OEM. Please believe in the power of ESKONKE brand — We are committed to delivering top-quality products and an exceptional customer experience.
- Orange Threadlocker can be removed with hand tools and does not require heating to achieve removal
- 3X the strength of Blue Threadlocker
- Permute Orange Threadlocker ensures that pieces will not loosen or back out over time
- Ideal for High Vibration Applications
- Use for: Automobiles, Motorcycles, Heavy Equipment, Marine and Industrial Applications
- Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
- Easy to Use: Simply apply the threadlocker evenly to the thread, tighten the nut, and cure initially for 20 minutes, then your Items can be used normally after fully cured in 24 hours
- Wide application : Whether you're installing a valve cover, water pump, or just tightening down some furniture screws, our adhesive solution can be used in various automotive, industrial, and furniture applications.
- Why The Bottle Is Not Full: Threadlocker will solidify in anaerobic conditions, so the bottle is half-full to ensure the threadlocker remains liquid, prevent solidification and hardening.
- VALUE 2 PACK THREADLOCKER: Our medium-strength blue threadlocker and high-strength red threadlocker, which can meet your various needs! With excellent adhesion and long-lasting anti-loosening effect, ensuring screws, nuts and metal fasteners are firmly fixed in place. Even in high-vibration environments, our products can provide reliable solutions
- KEEP FASTENERS SECURE AND TIGHT: Our thread lock has strong adhesion to hold screws, nuts and metal fasteners firmly in place, preventing loosening due to vibration. Our threadlocker is the ideal choice to solve your loosening fixing problems!
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- EASY TO USE: Our thread locker features a sealed and leak-proof design to prevent leaks. Simply apply the thread locker evenly to the threads, tighten the nut, and cure initially for 20 minutes, then fully cure within 24 hours. Medium strength blue threadlocker are easily removed with basic hand tools
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- Threadlocker: Thread locker has strong adhesion and can fix screws, nuts, and metal fasteners to prevent loosening due to vibration
- Sealing and leakage prevention: Using thread locker cores instead of solid gaskets, close contact, perfect sealing, and effective leakage prevention
- Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
- Easy to use: Simply apply the threadlocker evenly to the thread, tighten the nut, and cure initially for 20 minutes, then fully cure within 24 hours
- Wide application: Whether you're installing a valve cover, water pump, or just tightening down some furniture screws, blue threadlocker has you covered. Our screw glue can be used on a variety of automotive, industrial and furniture applications
- Economical Solution: Cost-effective and efficient, our lock tight threadlocker helps reduce the risk of costly equipment damage and repairs by preventing loosening and maintaining tight connections over time. Applied between two mating threads, these liquid threadlocker adhesives secure nuts, bolts, and threaded fasteners in place. They cure to form a strong bond that prevents loosening, ensuring assemblies retain clamp load over time.
- Application: These sealants are widely used in automotive applications, such as valve covers, oil pans, pumps, and engines, to prevent bolts from loosening and extend the lifespan of components. At home, they are commonly used for bicycles, motorcycles, locksets, lawnmowers, and hardware to ensure bolts stay securely in place. In workshops and DIY projects, threadlockers are ideal for fixing homemade projects, sealing bezels, securing freestyle drones, desktop printers, and other products, improving performance and reliability by preventing thread loosening from vibration and shock.
- 222 Purple Threadlocker: This low-strength threadlocker is ideal for metals like aluminum and brass, providing flexibility for various applications. Realth Purple Threadlocker is perfect for carburetor screws, eyeglasses, and small screws on laptops. Its low strength allows for easy removal with the same tool used for assembly. Available in a convenient liquid form, it's especially efficient for screws under ¼ inch in diameter.
- 243 Blue Threadlocker: A versatile, medium-strength threadlocker that provides a secure bond, removable with hand tools. It works on all metals, including passive substrates like stainless steel, aluminum, and plated surfaces, without the need for a primer. Ideal for use on most oil-coated or "as-received" fasteners, making it convenient for a wide range of applications.
- 272 Red Threadlocker: A high-strength, medium-viscosity, anaerobic-curing threadlocker designed for demanding applications. Realth 272 offers superior temperature resistance up to 232°C and a fixture time of 10 minutes on steel, 5 minutes on brass, and 15 minutes on stainless steel. Ideal for preventing adhesive migration, it tolerates slight industrial oil contamination and is suitable for all metal fasteners, with a breakaway torque of 23 Nm on M10 bolts.
SEOCONTENT-START
Bulletin No.: PIP4554M Date: May-2016 Subject: Clunk Noise After Shifting From Reverse To Drive Or Drive To Reverse And Then Accelerating Models: 2007-2009 Cadillac SRX 2007-2011 Cadillac STS 2008-2014 Cadillac CTS 2010-2015 Chevrolet Camaro RWD only, equipped with 6L45 or 6L50 (RPO MYA, MYB) Automatic Transmission This PI was superseded to update Model Years. Please discard PIP4554L. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern Some customers may comment on a clunk noise after shifting from Reverse to Drive or Drive to Reverse and then accelerating. This noise typically does not occur during the reverse to drive or drive to reverse shift, but is heard after the shift when the vehicle is accelerated. The noise may sound like it is coming from the rear of the vehicle from the rear drive axle. Customers may also comment on a driveline bump, clunk or thud on heavy acceleration or upon braking. This condition is more likely to be duplicated in low gear on acceleration or deceleration. Recommendation/Instructions This condition may be caused by the torque on the propeller shaft flange nut or movement between the flange and the transmission output shaft. Apply thread locker to the transmission output shaft flange splines and a new front propeller shaft flange nut following the procedure below. The existing output shaft and output shaft flange can be re-used and does not require replacement. A new front propeller shaft flange nut should be used. Callout 1 Component Name: Propeller Shaft Transmission Flange Procedure 1. The output shaft flange splines must be thoroughly clean and dry before installing the flange. 1 Note: When repairing low speed and garage shift clunk – except for moving the vehicle from the hoist, do not operate the vehicle above 5 mph at light throttle for 24 hours to allow the adhesive to cure. 2. Apply GM P/N 89021297 (Canadian P/N 10953488) evenly across the width and length of the flange splines and install the flange onto the transmission output shaft. 3. Sufficient application of adhesive to every tooth on the flange will leave excess adhesive on the output shaft after installation. If no excess is observed, reapply adhesive. Remove excess adhesive. Callout 2 Component Name: NEW Front Propeller Shaft Flange Nut Procedure 1. The output shaft nut threads must be thoroughly clean and dry before installing the nut. 2. Apply GM P/N 89021297 (Canadian P/N 10953488) across the width of the nut threads, prior to tightening and staking. Note: If the replacement nut contains a pre-applied adhesive patch, then liquid adhesive is not required. Caution: Refer to Fastener Caution in the Preface section. Tighten 55 N·m (41 lb ft). Special Tool J 45012 Holding Fixture For equivalent regional tools, refer to Special Tools. Callout 3 Component Name: Output Shaft Caution: Stake the flange nut onto the output shaft. Use the two staking grooves on the shaft to locate the staking points. Failure to stake the flange nut may result in damage to the transmission. Parts Information Part Number Description QTY 89021297 (US) Adhesive/Sealant, Thread locker High Strength 10 ml 1 10953488 (Canada) Adhesive/Sealant, Thread locker High Strength 10 ml 1 24256278 Nut, Front Propeller Shaft Flange 1 Warranty Information For vehicles repaired under warranty use: Labor Operation Description Labor Time 8480078* Replace Propeller Shaft Flange Nut, Clean and Apply Thread Locker to Flange Splines and Nut 1.5 hr * This is an unique labor operation for bulletin use only. This will not be published in the Labor Time Guide. Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
SEOCONTENT-END
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