# Service bulletin 37345

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: 11020522
- Published by NHTSA: 2025\-07\-09
- Manufacturer's number: 37345
- Manufacturer's date: 2025\-05\-01
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This is a Technical Journal: AC System Intermittent Knocking Noise. If the symptom is confirmed, proceed with adding a rubber sleeve on isolated low pressure line \(also, connect low pressure line and high pressure line with a cable tie\) according to the attachement.\&\#13;

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020522-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020522-9999.pdf)

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

## Vehicles listed

- 2017 to 2018 VOLVO XC90E
- 2023 to 2026 VOLVO XC90MHEV
- 2016 to 2026 VOLVO XC90PHEV

JSON: [/v1/bulletins/11020522](/v1/bulletins/11020522)

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