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NHTSA ID Number: 10114829
Manufacturer Communication Number: PIP5442
Summary
This Preliminary Information communication provides information to the technician about vehicles that have an exhaust leak, noisy exhaust, or noise mid-vehicle. Technician will need to check for an unseated pipe to pipe mid-joint connection. Technician will need to install new exhaust band.
28 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CADILLAC | ESCALADE | 2015-2017 |
| CADILLAC | ESCALADE ESV | 2015-2017 |
| CHEVROLET | SILVERADO | 2017 |
| CHEVROLET | SILVERADO 1500 | 2014 |
| CHEVROLET | SILVERADO 2500 | 2015-2016 |
| CHEVROLET | SUBURBAN | 2015-2017 |
| CHEVROLET | TAHOE | 2015-2017 |
| GMC | SIERRA | 2017 |
| GMC | SIERRA 1500 | 2014 |
| GMC | SIERRA 2500 | 2015-2016 |
| GMC | SIERRA DENALI | 2015-2016 |
| GMC | YUKON | 2015-2017 |
| GMC | YUKON XL | 2015-2017 |
Parts
| Clamp Asm (2.75-in) (4.3L, 5.3L) | 1 | 20779889  |
| Clamp Asm (3.5-in) (6.0L, 6.2L) | 1 | 20779890 |
SEOCONTENT-START
Bulletin No.: PIP5442
Date: Nov-2016
| Subject: | Exhaust Leak, Noisy Exhaust, Rattle, Rumble and/or Noise Mid-Vehicle |
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Cadillac | Escalade Models | 2015 | 2017 | SOP | Current | 6.2 L86 | All |
| Chevrolet | Silverado 1500 | 2014 | 2017 | SOP | Current | 4.3L LV3 5.3L L83 6.2L L86 | All |
| Chevrolet | Suburban, Tahoe | 2015 | 2017 | SOP | Current | 5.3L L83 | All |
| Chevrolet | Suburban 3500 | 2016 | 2017 | SOP | Current | 6.0 L96 | All |
| GMC | Sierra 1500 | 2014 | 2017 | SOP | Current | 4.3L LV3 5.3L L83 6.2L L86 | All |
| GMC | Yukon Models | 2015 | 2017 | SOP | Current | 5.3L L83 6.2L L86 | All |
| Involved Region or Country | North America |
| Additional RPO/s: | N/A |
| Condition | Some customers may comment on an exhaust leak, noisy exhaust, or noise mid-vehicle. The noise may be described as a rattle or rumble. May be most noticeable on a cold start. |
| Cause | This condition may be caused by an unseated pipe to pipe mid-joint connection as seen below |
Correction
Note: Ensure that the pipe flares remain fully seated to each other while tightening the clamp.
- Remove and discard the exhaust band (Norma) clamp.
- Install and position a new exhaust band (Norma) clamp to the pipe joint.
- Firmly push and maintain the pipes together while tightening the exhaust band (Norma) clamp bolt.
Tighten the clamp bolt to 30 Nm (22 lb. ft.).
Note: After the clamp is installed, it does not need to be perpendicular to the pipe. It is acceptable to have a pipe to pipe or clamp angle.
- Confirm that the clamp edges (both sides and all the way around the clamp) are fully seated on the pipe.
- Run the engine and inspect the clamp joint to ensure there are no leaks and that the condition is corrected.
Parts Information
| Description | Part Number | Qty |
| Clamp Asm (2.75-in) (4.3L, 5.3L) | 20779889 |
1 |
| Clamp Asm (3.5-in) (6.0L, 6.2L) | 20779890 |
1 |
Warranty Information
| Labor Operation | Description | Labor Time |
| 4050272 | Exhaust System Alignment | Use Published Labor Operation Time |
| Version | 1 |
| Modified |
SEOCONTENT-END
Bulletin No.: PIP5442
Date: Nov-2016
https://www.nhtsa.gov/recalls?nhtsaId=10114829
https://static.nhtsa.gov/odi/tsbs/2016/MC-10114829-9999.pdf
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- Dual Cat Back Design with Rear Exit.
- Corrosion Resistant 409 Stainless Steel | 16 Gauge Tubing | 304 Stainless Black Muffler and Clamps.
- Dual Wall Stainless Steel 304 Black Tips | Can Retain your OEM Dual Tips.
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- 【Buy With Confidence】：Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save hundreds of dollars off of dealer prices by purchasing this part and taking advantage of our warranty.Price concessions and guaranteed, no need to worry about quality problems
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