Service bulletin 18SP736
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 | 10180517 |
| Published by NHTSA | 2020-10-01 |
| Manufacturer's number | 18SP736 |
| Manufacturer's date | 2020-09-30 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN |
NHTSA's summary
Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This heavy duty friction style belt tensioner kit contains the belt tensioner and two M10 bolts to correctly pin the friction style belt tensioner. The M10x80mm bolt is used to pin the engine cooling fan drive arm. The M10x50mm bolt is used to pin the engine accessory drive arm.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Cooling fan, Cooling system, Drive belts
| FREIGHTLINER 114SD | 2018, 2019, 2020, 2021 |
|---|---|
| FREIGHTLINER 122SD | 2018 to 2021 |
| FREIGHTLINER BUSINESS CLASS M2 | 2018 to 2021 |
| FREIGHTLINER CASCADIA | 2018, 2019, 2020, 2021 |
| WESTERN STAR 4700 | 2018, 2019, 2020, 2021 |
| WESTERN STAR 4800 | 2018, 2019, 2020, 2021 |
| WESTERN STAR 4900 | 2018, 2019, 2020, 2021 |
| WESTERN STAR 5700 | 2018, 2019, 2020, 2021 |
| WESTERN STAR 6900 | 2018, 2019, 2020, 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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| sb2078 | 2019-04-08. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose |
| sb2078 | 2019-04-08. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose |
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| sb2078 | 2019-04-01. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose |
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| sbw2018 | 2018-06-25. Service bulletin. sbw2018 Western Star 4800 and 4900 Radiator Mounting |
| 0318-17 | 2018-06-18. Service bulletin. (MCM) (GHG17) |
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| sb2085 | 2018-06-18. Service bulletin. sb2085 Isolated Radiator Mounting, Behr Mahle M80 FEPTO Radiator |