# Service bulletin 18157

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10143734
- Published by NHTSA: 2018\-08\-20
- Manufacturer's number: 18157
- Manufacturer's date: 2018\-06\-05
- NHTSA component: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, DIESEL

## NHTSA's summary

18157 \- Customer Satisfaction Program. Certain Low Cab Forward vehicles, equipped with diesel engines, may have a condition in which the Fuel Tank Sub Unit float arm in the rear\-mounted fuel tank may become disconnected causing the fuel gauge to display ?Empty? \(E\) regardless of the actual fuel level. Dealers are to replace the Fuel Tank Sender Unit.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10143734-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10143734-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system, Fuel tank

## Vehicles listed

- 2018 CHEVROLET 3500
- 2017 CHEVROLET LOW CAB FORWARD 4500
- 2017 CHEVROLET LOW CAB FORWARD 5500
- 2017 CHEVROLET SILVERADO 3500
- 2019 CHEVROLET SILVERADO 3500
- 2019 CHEVROLET SILVERADO 4500
- 2019 CHEVROLET duplicate SILVERADO 5500

## Recalls for the same vehicles and component

- [23V047000](/recalls/nhtsa/23V047000.md), 2023-02-02: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
- [19V088000](/recalls/nhtsa/19V088000.md), 2019-02-07: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

## Other bulletins for the same vehicles and component

- [17\-NA\-302](/bulletins/10252106.md), 2024-03-28, Service bulletin: EQUIPMENT; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
- [23\-NA\-148](/bulletins/10245010.md), 2023-11-07, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; EQUIPMENT. This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap.
- [19NA277](/bulletins/10171899.md), 2020-03-02, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
- [N192275090](/bulletins/10169642.md), 2019-12-30, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. N192275090 \- Service Update \- Certain 2019 model year Chevrolet Silverado Medium Duty 4500/5500/6500 vehicles may have a condition where after the fuel filler tube is tied back to the frame for shipment there may be sufficient tension placed on connections that if the clamps are not fully tightened a leak could be created between the connection to the fuel tank\(s\) and the fuel filler tube. Dealers will inspect, and if necessary, tighten the clamps between the fuel filler tube and the fuel tank\(s\).
- [19NA005](/bulletins/10164112.md), 2019-08-26, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY. This technical bulletin provides a procedure to replace the fill pipe if found the cause of the noises at highway speeds.
- [PIP5427B](/bulletins/10156913.md), 2019-04-08, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; ENGINE. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
- [17NA402](/bulletins/10139241.md), 2018-06-04, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. This technical bulletin provides a procedure to replace relays that may be sticking in cold regions.
- [PIP5427A](/bulletins/10137723.md), 2018-05-21, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
- [17NA302](/bulletins/10137270.md), 2018-05-21, Service bulletin: EQUIPMENT; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; FUEL SYSTEM, GASOLINE. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
- [PIT5481C](/bulletins/10129082.md), 2018-02-21, Service bulletin: AIR BAGS; POWER TRAIN; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; STEERING; LANE DEPARTURE. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code \(UHX\) replaced Lane Departure Warning Regular Production Option Code \(UFL\). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.

JSON: [/v1/bulletins/10143734](/v1/bulletins/10143734)

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