WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Subaru Ascent

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.

384 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
05-95-252026-01-06. Service bulletin. SUSPENSION. This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
03-96-252025-05-01. Service bulletin. SUSPENSION; POWER TRAIN. This bulletin announces design changes made to the rear axle hubs. These changes have been implemented to reduce cases water intrusion further leading to harmonic, humming, and grinding type sounds heard from the axle hub while driving.
03-94-242024-10-02. Service bulletin. SUSPENSION. This bulletin outlines the judgment criteria to be used when inspecting front transverse link bushings to reduce unnecessary bushing replacement.
05-91-242024-08-05. Service bulletin. SUSPENSION. This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.
05-90-24R2024-04-02. Service bulletin. SUSPENSION. This bulletin announces changes in design to the front strut assemblies which will address cases of rumbling and/or rattling coming from the undercarriage while going over bumps.
05-90-242024-03-04. Service bulletin. SUSPENSION. This bulletin addresses rumbling and or rattling coming from the undercarriage while traveling over bumps. Subaru has made a design change to the front strut assemblies to address this issue.
05-62-18R2023-06-05. Service bulletin. SUSPENSION. This bulletin provides a procedure to address customer concerns of surface rust accumulating in the top center retaining nut area of the front strut mounts.
5-88-21R2022-11-03. Service bulletin. SUSPENSION. This bulletin announces a design change made to the front stabilizer bushings.
05-88-212022-08-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin announces a design change made to the front stabilizer bushings.
05-87-212021-09-03. Service bulletin. SUSPENSION. This bulletin announces a design change made to the front stabilizer bar bushing clamps.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.