# Service bulletin CPI397779

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: 10136447
- Published by NHTSA: 2018\-05\-14
- Manufacturer's number: CPI397779
- Manufacturer's date: 2018\-04\-26
- NHTSA component: EQUIPMENT

## NHTSA's summary

Water pump leaks Through the Weep hole Leaking water pumps through the weep hole on certain machines Forestry, Wheel Tractor Scrapers, Motor Graders \& Medium Wheel Loader. Internal Pump housing feature causing water to pool in pump housing cavity which leads to bearing damage and ultimately water Pump Seal damage. A PCA \(permanent corrective action0 solution has been developed and CPI team is working with pump supplier to confirm PCA pumps availability and PCA production pump implementation is planned for mid July 2018 and Parts Service available shortly thereafter.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136447-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136447-0001.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- CATERPILLAR CATERPILLAR

JSON: [/v1/bulletins/10136447](/v1/bulletins/10136447)

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