# Service bulletin TSB\-17\-001\-09

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: 10029624
- Published by NHTSA: 2009\-07\-13
- Manufacturer's number: TSB\-17\-001\-09
- Manufacturer's date: 2009\-03\-01
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

## NHTSA's summary

BMW MOTORCYCLE: THE COOLANT INLET HOSE IS NOT COMPLIANT WITH THE APPLICABLE BMW SPECIFICATIONS. ENGINE OPERATION CAN CAUSE THE INLET HOSE TO WIDEN AND BECOME CORRESPONDINGLY SHORTER; OVERTIME THIS CONTRACTION IN LENGTH CAN CAUSE THE HOSE TO WORK BACK OFF THE WATER PUMP NOZZLE FOR ENOUGH TO ALLOW COOLANT TO ESCAPE. NO MODEL YEARS LISTED. \*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 system

## Vehicles listed

- 2008 BMW F 650 GS
- 2009 BMW F 650 GS US
- 2001 to 2006 BMW F 800 GS
- 2008 to 2009 BMW F 800 GS
- 2009 BMW F 800 GS US
- 2003 to 2004 BMW F650 CS
- 2003 to 2007 BMW F650 GS
- BMW F650GS
- 2001 to 2002 BMW F650GS

## Other bulletins for the same vehicles and component

- [MC1100116](/bulletins/10151350.md), 2018-12-10, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Coolant pump drain hose. Details The coolant pump is fitted with a radial shaft seal on the oil\-side and on the coolant\-side is a mechanical seal. Mechanical seals are reliable an durable, yet for technical reasons, they always exhibit minor seepage. The seepage amount is considered to be within permissible limits if the coolant does not need to be topped up between service intervals. The drain hole \(arrow in the figure\) of the coolant pump is in plain view. Even small, inevitable seepage is noticed and often perceived to be a faulty coolant pump. In many such cases, fault\-free coolant pumps are replaced. In order to reduce misdiagnosis and repeat repairs, a drain hose is retrofitted. The hose diverts the seepage away from the field of view to under the engine. Yet large amounts of leakage that indicate a faulty coolant pump will be noticed.

JSON: [/v1/bulletins/10029624](/v1/bulletins/10029624)

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