---
title: "2020 Thor Motor Coach Aria issues"
kind: "year"
brand: "thor-motor-coach"
model: "aria"
year: 2020
url: "https://www.rigfixhq.com/issues/thor-motor-coach/aria/2020"
markdownUrl: "https://www.rigfixhq.com/issues/thor-motor-coach/aria/2020.md"
---

# 2020 Thor Motor Coach Aria

Official NHTSA recalls for this model year.

These are official NHTSA recalls. A model year on a campaign is not proof a VIN is included. Owner reports are not included.

## Official recalls

### 20V-167

SERVICE BRAKES, AIR:DISC:CALIPER

Thor Motor Coach (TMC) is recalling certain 2019-2020 Aria 3401, 3601, 3901, 3902, and Venetian G36, J40, L40, M37, R40, and S40 motorhomes built on DTNA chassis.  The brake caliper mounting bolts may have been insufficiently tightened.

[Campaign page](https://www.rigfixhq.com/recalls/20V-167) · [markdown](https://www.rigfixhq.com/recalls/20V-167.md)

### 20V-418

EXTERIOR LIGHTING:BRAKE LIGHTS

Thor Motor Coach (TMC) is recalling certain 2017-2020 Aria, Venetian and Tuscany, 2017 Tuscany XTE and 2017-2019 Palazzo motorhomes vehicles that received an inspection-only remedy for recall 18V-763.  The rear mounted Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.

[Campaign page](https://www.rigfixhq.com/recalls/20V-418) · [markdown](https://www.rigfixhq.com/recalls/20V-418.md)

### 20V-559

TIRES:VALVE

Thor Motor Coach (TMC) is recalling certain 2018-2021 Aria, Palazzo, Tuscany, and Venetian motorhomes built on a Daimler Trucks (DTNA) chassis.  The tire valve stem extension for the inner wheel may contact the outer wheel rim opening and become damaged.

[Campaign page](https://www.rigfixhq.com/recalls/20V-559) · [markdown](https://www.rigfixhq.com/recalls/20V-559.md)

### 21V-522

STRUCTURE

Thor Motor Coach (TMC) is recalling certain 2019 Challenger, Palazzo, Tuscany, 2019-2020 Miramar, 2019-2021 Aria, Outlaw, and Venetian recreational vehicles equipped with Hehr 6400 series windows.  The adhesive that bonds the vented portion of the window may fail.

[Campaign page](https://www.rigfixhq.com/recalls/21V-522) · [markdown](https://www.rigfixhq.com/recalls/21V-522.md)


HTML page: https://www.rigfixhq.com/issues/thor-motor-coach/aria/2020
