# Service bulletin 18439

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: 10012977
- Published by NHTSA: 2005\-04\-05
- Manufacturer's number: 18439
- Manufacturer's date: 2005\-02\-01
- NHTSA component: POWER TRAIN

## NHTSA's summary

TINY CRACK OR CRACKS AROUND THE TRANSFER CASE DRAIN PLUG. \*EH

## 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

Transmission and driveline

## Vehicles listed

- 2003 to 2005 FORD EXPEDITION
- 2003 to 2005 LINCOLN NAVIGATOR

## Other bulletins for the same vehicles and component

- [SSM 51909](/bulletins/10243490.md), 2023-10-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. When performing any transmission fluid changes or topoffs involving MERCON SP, MERCON LV has replaced all versions of MERCON SP and can be used going forward. Mixing MERCON LV and MERCON SP in the same transmission is acceptable. After 30\-Jun\-2023, MERCON SP ATF will no longer be manufactured and will only be available until inventory depletes.
- [TSB 22\-2219](/bulletins/10214754.md), 2022-06-27, Service bulletin: POWER TRAIN. Some 2003\-2020 Expedition/Navigator and 2006\-2020 F\-150 \(non\-Raptor\) vehicles equipped with 4WD may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends \(IWE\). To correct this condition, follow the Service Procedure to remove and cap the vacuum supply line or to reprogram the transfer case control module \(TCCM\) and replace any worn vacuum and/or IWE components.
- [TSB\-09\-19\-12](/bulletins/10032614.md), 2010-04-20, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). FORD: SOME HYBRID VEHICLES MAY EXHIBIT AN INTERMITTENT RED TRIANGLE ON AND STOP SAFELY NOW MESSAGE DISPLAYED ON THE MESSAGE CENTER, ACCOMPANIED BY A SUDDEN RPM LOSS/NO START WITH A DIAGNOSTIC TROUBLE CODE \(DTC\) P1A0C. \*PE
- [TSB\-08\-19\-3](/bulletins/10028736.md), 2009-05-21, Service bulletin: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. FORD: SOME VEHICLES MAY EXHIBIT OIL SEPARATION FROM THE INTERNAL LUBE FOUND IN THE UNITIZED CARTRIDGE SEAL. OIL SEPARATION APPEARS TO BE AND IS OFTEN MISDIAGNOSED, AS AN AXLE LUBE LEAK. \*PE
- [19846](/bulletins/10022762.md), 2007-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). FAILED TCM PROGRAMMING \*NJ
- [06227](/bulletins/10020676.md), 2006-12-20, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. UN\-COMMANDED TCC APPLY ON THE 1\-2 SHIFT CAUSING PERCEPTION OF HESITATION AND/OR LACK OF POWER DURING SHIFT. \*KB
- [0623](/bulletins/10019376.md), 2006-03-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. FLOOR MOUNTED SHIFTER STUCK IN PARK. \*TT
- [18815](/bulletins/10018069.md), 2005-12-15, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). A TINY CRACK, OR CRACKS, AROUND THE TRANSFER CASE DRAIN PLUG HOLE. \*TT
- [05161](/bulletins/10017926.md), 2005-12-08, Service bulletin: POWER TRAIN. CLUNK/GRIND/THUMP NOISE FROM REAR OF VEHICLE WHEN TRANSMISSION IS SHIFTED \- VEHICLES BUILT BEFORE 6/13/2005. \*TT
- [05618](/bulletins/10017892.md), 2005-12-07, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. REAR AXLE NOISE REPAIR. \*TT

JSON: [/v1/bulletins/10012977](/v1/bulletins/10012977)

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