# Service bulletin IB19K002

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: 10159109
- Published by NHTSA: 2019\-04\-22
- Manufacturer's number: IB19K002
- Manufacturer's date: 2019\-03\-12
- NHTSA component: EQUIPMENT; STRUCTURE:FRAME AND MEMBERS; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

AFFECTS ALL ISUZU VEHICLES EQUIPPED WITH AISIN AUTOMATIC TRANSMISSIONS TEARDOWN. INVESTIGATIONS OF AISIN REMANUFACTURED TRANSMISSIONS HAVE IDENTIFIED A SMALL POSSIBILITY OF WATER ENTERING THROUGH THE TRANSMISSION FLUID LEVEL INDICATOR TUBE JOINT SHOWN IN FIGURE 1. WHEN THE TRANSMISSION IS REMOVED OR THE TRANSMISSION OIL PAN IS REINSTALLED AFTER REMOVAL, THE FOLLOWING ROUTINELY MAY OCCUR AT THE FLUID LEVEL INDICATOR TUBE JOINT: THE JOINT MAY BECOME MISALIGNED AND SLIGHTLY BENT, THE SEALING O\-RING MAY BE LEFT OUT, THE SEALING O\-RING MAY BE DAMAGED. ANY OF THE ABOVE CONDITIONS MAY ALLOW WATER TO ENTER THE TRANSMISSION OIL PAN THROUGH AN OPENING IN THE FLUID LEVEL INDICATOR TUBE JOINT. FIGURES 2 AND 3 ILLUSTRATES HOW SHRINK TUBING CAN BE INSTALLED OVER THE FLUID LEVEL INDICATOR TUBE JOINT TO PREVENT WATER ENTRY AT THIS POINT. SLIDE THE SHRINK TUBING OVER THE JOINT AND THEN USE A HEAT GUN TO HEAT AND SHRINK THE TUBING TO FORM A WATERTIGHT SEAL. THE USE OF HEAT SHRINK TUBING TO SEAL THE FLUID LEVEL INDICATOR TUBE JOINT SHOULD BE DONE ANY TIME AN AISIN TRANSMISSION IS REPLACED OR THE TRANSMISSION OIL PAN IS REMOVED AND REINSTALLED.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159109-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159109-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Equipment and accessories, Transmission and driveline

## Vehicles listed

- ISUZU F SERIES
- ISUZU H SERIES
- ISUZU N SERIES

JSON: [/v1/bulletins/10159109](/v1/bulletins/10159109)

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