Chevrolet bulletin 18-NA-275
What it saysThis service bulletin provides information on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural… NHTSA’s full summary ↓
Chevrolet filed this with NHTSA as a service bulletin dated Oct 12, 2023, received Nov 2, 2023, about the suspension. It names 6 model years (2018–2023). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis service bulletin provides information on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural operation of these struts.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 18-NA-275 | Service bulletin | Oct 12, 2023 | 10244697 | PDF, 177 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
Find the macpherson strut for the 2023 Camaro →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 6 model years this bulletin names have filed 215 complaints with NHTSA since 2015.
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the suspension
Source: same model, same component group5 other manufacturer communications filed against the Chevrolet Camaro under the same component group (suspension), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 17-NA-087 | Service bulletin | Sep 26, 2024 | This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Fo… |
| 05-03-08-002J | Service bulletin | Aug 22, 2024 | This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid lea… |
| 15-00-89-004G | Service bulletin | Apr 26, 2024 | This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and wh… |
| PIT5214F | Service bulletin | Nov 14, 2023 | This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that… |
| 19-NA-110 | Service bulletin | Oct 12, 2023 | This service bulletin provides information for dealers/technicians on visible cracks in shock tower near the strut top mount. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Chevrolet, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Chevrolet 18-NA-275 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 18-NA-275 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every GM warranty extension on file lists the ones GM has filed.
Which vehicles does 18-NA-275 cover?
The manufacturer filed it against 6 model years: 2023 Chevrolet Camaro, 2022 Chevrolet Camaro, 2021 Chevrolet Camaro, 2020 Chevrolet Camaro, 2019 Chevrolet Camaro, 2018 Chevrolet Camaro. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.