# Service bulletin SP\-645\-641

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: 10036936
- Published by NHTSA: 2011\-04\-20
- Manufacturer's number: SP\-645\-641
- Manufacturer's date: 2010\-11\-01
- NHTSA component: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

## NHTSA's summary

MACK: POWER STEERING HOSE, REPLACEMENT. A BLUE SILICONE HEATER HOSE WAS INCORRECTLY SUBSTITUTED AND INSTALLED ON RETURN SIDE OF POWER STEERING SYSTEM FOR POWER STEERING COOLER DURING PRODUCTION. NEED TO REPLACE HOSES AND POWER STEERING FILTER. \*PE

## 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

Steering, Power steering

## Vehicles listed

- 2011 MACK GU
- 2011 MACK PINNACLE \(CHU\)
- 2011 MACK PINNACLE \(CXU\)

JSON: [/v1/bulletins/10036936](/v1/bulletins/10036936)

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