TSB 93-01-16 Fuel Pulse Damper 4.9L
TSB 93-13-09 Fuel Pulse Damper 5.8L
Publication Date: JANUARY 5, 1993
LIGHT TRUCK: 1992-93 BRONCO, F-150-350 SERIES
ISSUE: A fuel system "knocking" noise may be heard. The noise is caused by fuel injector pulsations that are transmitted through the fuel lines.
ACTION: Install a new front fuel line assembly with a pulse damper. Refer to the following procedure for service details.
SERVICE PROCEDURE
1. Relieve the fuel system pressure. Refer to the 1992 F-150-350, Bronco Service Manual, Page 10-01A-26, for fuel system pressure relief procedure.
2. Remove the existing front frame to engine fuel line assembly. Refer to Figures 1 and 3 for fuel line disconnecting procedures on each end.
3. If any material was installed to isolate the "knocking" noise previously, remove it.
4. Install the new front fuel line assembly (F3TZ-9J338-G or F3TZ-9J338-H) with the pulse damper. Refer to Figures 2 and 3 for installation procedure.
5. Check the system to be sure there are no leaks.
PART NUMBER PART NAME
F3TZ-9J338-G 4.9L Front Fuel Line Assembly (Bronco And Regular Cab F-Series)
F3TZ-9J338-H 4.9L Front Fuel Line Assembly (Super Cab F-Series)
F3TZ-9J338-J 5.8L Front Fuel Line Assy. (F-Series, Regular Cab And Bronco)
F3TZ-9J338-K 5.8L Front Fuel Line Assembly (F-Series Super Cab)
SUPERSEDES: 92-24-11
WARRANTY STATUS: Eligible Under Bumper To Bumper Warranty Coverage And 1992 And Later Model Emissions Warranty
OPERATION DESCRIPTION TIME
930116A Replace 4.9L Front Fuel Line 0.4 Hr.
For other TSBs, check
here.
See also:
930116A Replace 5.8L Front Fuel Line 0.9 Hr.
.
