# Service bulletin 0508\-18

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: 10146327
- Published by NHTSA: 2018\-10\-29
- Manufacturer's number: 0508\-18
- Manufacturer's date: 2018\-05\-08
- NHTSA component: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## NHTSA's summary

0508\-18 Aftertreatment

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146327-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146327-0001.pdf)

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

## Components

Engine, Equipment and accessories, Fuel system, Fuel pump

## Vehicles listed

- 2017 to 2019 FREIGHTLINER 114SD
- 2017 to 2019 FREIGHTLINER 122SD
- 2017 to 2019 FREIGHTLINER BUSINESS CLASS M2
- 2017 to 2019 FREIGHTLINER CASCADIA
- 2017 to 2019 WESTERN STAR 4700
- 2017 to 2019 WESTERN STAR 4900
- 2017 to 2019 WESTERN STAR 5700
- 2017 to 2019 WESTERN STAR 6900

## Other bulletins for the same vehicles and component

- [TS1033014](/bulletins/10177608.md), 2020-07-31, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ENGINE AND ENGINE COOLING. Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines. Occasionally we see trucks come in with fuel leaking from the high pressure fuel pump weep hole. This is NOT a defect in the pump and further diagnostics need to be performed to find the root cause.
- [0611\-19](/bulletins/10163616.md), 2019-08-08, Service bulletin: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Service Information Bulletin was released, to add new procedures to address diagnostics near the high pressure pump
- [15TL4](/bulletins/10129644.md), 2018-03-05, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. 15TL4 W470589050900 ? 3/8? Drive GEN2 Two\-Stage Valve Socket
- [18SP703](/bulletins/10124173.md), 2017-11-17, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE. 18SP703 18SP703 \- GHG14 KM63 GEN2 Low Pressure Fuel Pump\-Two\-Filter Fuel System Ki
- [09 06\-16](/bulletins/10083163.md), 2016-10-20, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 0906\-16 LOW PRESSURE FUEL PUMP

JSON: [/v1/bulletins/10146327](/v1/bulletins/10146327)

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