# Service bulletin SB\-20\-64

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: 10036591
- Published by NHTSA: 2011\-04\-04
- Manufacturer's number: SB\-20\-64
- Manufacturer's date: 2010\-10\-01
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

## NHTSA's summary

FREIGHTLINER: FAN CLUTCH NUTS. ALWAYS USE NEW NYLOC NUTS WHEN INSTALLING THE ENGINE COOLING FAN ON A BORG WARNER \(KYSOR\) FAN CLUTCH. FAILURE MAY LEAD TO A LOOSE OR LOST FAN, AND DAMAGE TO THE FAN CLUTCH OR TRUCK. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Cooling fan, Cooling system

## Vehicles listed

- 2008 FREIGHTLINER ARGOSY
- 2003 FREIGHTLINER BUSINESS CLASS
- 2011 FREIGHTLINER BUSINESS CLASS M2
- 2007 FREIGHTLINER CARGO
- 2010 FREIGHTLINER CASCADIA
- 2010 FREIGHTLINER CENTURY CLASS
- 2011 FREIGHTLINER COLUMBIA
- 2010 FREIGHTLINER CORONADO
- FREIGHTLINER FLA
- FREIGHTLINER FLB
- FREIGHTLINER FLC112
- FREIGHTLINER FLD
- 2010 FREIGHTLINER FLD

## Other bulletins for the same vehicles and component

- [sb2078](/bulletins/10158073.md), 2019-04-08, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
- [sb2078](/bulletins/10158052.md), 2019-04-08, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
- [sb2078](/bulletins/10156421.md), 2019-04-01, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
- [sb2078](/bulletins/10156400.md), 2019-04-01, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; ENGINE. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
- [sb4930](/bulletins/10141838.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. sb4930 49\-30 \- Gentech DEF Coolant\-Flow Solenoid, Testing and Replacement
- [sb2083](/bulletins/10141719.md), 2018-06-18, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2083 FluidXchange Tool and FittingsB
- [sb2080](/bulletins/10141717.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2080 Australian CST M1400 Isolated Radiator RetrofitB
- [sb2078](/bulletins/10141715.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2078 Cascadia Radiator Strut Rod Rubbing on Upper RadiatorHose
- [sb2077](/bulletins/10141714.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2077 Tuned Mass Absorber Installation, Cascadia with 1625 sq in Radiator
- [sb2074](/bulletins/10141711.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. sb2074 Kysor Fan Clutch Rocking Runout Inspection

JSON: [/v1/bulletins/10036591](/v1/bulletins/10036591)

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