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NHTSA ID Number: 10161945
Manufacturer Communication Number: 19NA097
Summary
This technical bulletin provides repair information to correct a customer concern of Water Collecting Inside of Muffler Causing a Hard or No Start.
4 Affected Products
Vehicle
| CHEVROLET | SUBURBAN | 2016-2019 |
SEOCONTENT-START
Bulletin No.: 19-NA-097
Date: May, 2019
TECHNICAL
Subject: Water Collecting Inside of Muffler Causing a Hard or No Start
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | |||
| from | to | from | to | |||||
| Chevrolet | Suburban | 2016 | 2019 | L96 | All | |||
| Involved Region or Country | North America, N.A. Export Regions |
| Additional Options (RPOs) | |
| Condition | Some customers may comment on water collecting in the muffler after a rainstorm or washing the vehicle. If it is allowed to set during freezing temperatures it can cause a no start due to ice buildup. |
| Cause | The cause of the condition may be the angle of the exhaust pipe allows water to travel back to the first bend after the axle. This happens as the water flows down the back of the vehicle over the rear fascia. |
| Correction | Drill a small hole at the lowest point of the exhaust pipe after it goes over the axle and starts towards the back of the vehicle. |
Service Procedure
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle, in SI.
- Locate the lowest point of the exhaust pipe, behindthe front axle.
5332020
5332004
5332009
5332001
Parts Information
No parts are required for this repair.
Warranty Information
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.
| Labor Operation | Description | Labor Time | |
| *4086978 | Drill drain hole in the exhaust pipe | 0.5 hr | |
| *This is a unique Labor Operation for Bulletin use only. | |||
| Version | 1 |
| Modified | Released May 09, 2019 |
SEOCONTENT-END
Bulletin No.: 19-NA-097
Date: May, 2019
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