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Service bulletin 05-66-18

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10150942
Published by NHTSA2018-12-10
Manufacturer's number05-66-18
Manufacturer's date2018-10-19
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SUSPENSION

NHTSA's summary

This Service Information bulletin announces a running change to the four (4) front suspension crossmember retaining bolts to improve production efficiency. The new bolts have an increased length and are easily identifiable with their ?cone? shape on the threaded end.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Suspension

Vehicles listed
SUBARU IMPREZA2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
03-94-242024-10-02. Service bulletin. 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. This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.
FAQ 15-317-24R2024-05-02. Service bulletin. T16 Warranty Extension (15-317-24R) Frequently Asked Questions.
15-317-24R2024-05-02. Service bulletin. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the Data Communication Module (DCM) Warranty from 3 years (36 months) of 36,000 miles to 8 years (96 months) or 100,000 miles, whichever comes first.
15-312-23R2024-04-03. Service bulletin. This bulletin announces repair procedures to be used when diagnosing dark current draw (parasitic draw) on vehicles equipped with Gen 1 Data Control Modules.
15-321-23R2024-04-03. Service bulletin. This bulletin provides a repair procedure when diagnosing dark current draw on vehicles with GEN 1 Data Control Modules.
15-256-19R2024-04-03. Service bulletin. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.
15-236-18R2024-04-03. Service bulletin. This bulletin addresses the reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.
12-321-21R2024-04-03. Service bulletin. This bulletin announces the design change made to the cowl panel. The change was made to address a small number of cases where the rubber sealing portion becomes separated.
15-257-19R2024-04-03. Service bulletin. "This Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations, and can cause DTC B2A15, a red telematics MIL to illuminate, or recurring STARLINK notification to retailers and emails to customers. "