This publication contains material that is reproduced and distributed under a license from Ford Motor
Company. No further reproduction or distribution of the Ford Motor Company material is allowed without the express written permission of Ford Motor Company. |
TSB Main Page
- ENGINE - 7.3L DIESEL - ENGINE KNOCK OR "CACKLE" - 1999-2000 SUPER DUTY F-SERIES AND 2000 EXCURSIONS WITH ENGINE SERIAL NUMBERS 661894 THROUGH 1311240 - ALL 1998-2000 E-SERIES WITH ENGINE SERIAL NUMBERS 661974 THROUGH 1311240
- NOISE - "CACKLE" OR ENGINE KNOCK - 7.3L DIESEL - 1999-2000 SUPER DUTY F-SERIES AND 2000 EXCURSIONS WITH ENGINE SERIAL NUMBERS 661894 THROUGH 1311240 - ALL 1998-2000 E-SERIES WITH ENGINE SERIAL NUMBERS 661974 THROUGH 1311240
| Publication Date: October 7, 2003 |
| 1998-2000 E SERIES |
1999-2000 SUPER DUTY F SERIES
This article is being published to combine TSB 00-22-1 and 01-14-6 as part of a consolidated 7.3L diagnostic aid booklet.
Some vehicles equipped with a 7.3L Powerstroke diesel engine with engine serial number 661894 through 1311240, may exhibit a noise above the normal sound of the diesel combustion. This noise may sound like a rod knock, but it is intermittent and increases in intensity as the engine warms up to operating temperature. This "cackle" noise may by caused by pressure variation within the fuel rail and in virtually all instances is attributed to cylinder #8 (driver side rear). The "cackle" noise does not cause damage the engine, or impact the engine's performance or economy.
Engines after serial number 1311240 were built with a long lead injector in cylinder #8 and correct calibration from the factory. It is possible for engines with the long lead injector, from the factory or installed in service, to exhibit a "lifter noise" (the long lead injector can be identified by the "LL" stamp on top of the solenoid.) This noise is typically most noticeable when the vehicle is parked next to a brick or concrete wall, such as at a fast food drive through. This noise is a normal characteristic of the long lead injector and is not a reason to replace the injector.
To access the rest of this feature you must be a logged in Registered User
Of Ford Truck Enthusiasts
Registration is free, easy and gives you access to more features.
If you are not registered, click here
If you are already registered, you can login here.
If you are already logged in and are seeing this message, your web browser is blocking session
cookies. Change your browser cookie settings to allow session cookies.
This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. Ford is a registered trademark of the Ford Motor Company.