# Service bulletin S3036 202311

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: 10246096
- Published by NHTSA: 2023\-12\-05
- Manufacturer's number: S3036 202311
- Manufacturer's date: 2023\-11\-17
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

Service Campaign: Mack Trucks has determined that certain LRBe trucks could exhibited insufficient cab heat. To improve cab heat a retro fit of trucks coolant circuit is needed. Please follow the instructions below to complete the needed retro fit of the coolant circuit.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10246096-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10246096-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2022 to 2023 MACK LRBE \(ELECTRIC\)

JSON: [/v1/bulletins/10246096](/v1/bulletins/10246096)

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