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Manufacturer communication · Service campaign

Kenworth service campaign KWE316

Kenworth filed this with NHTSA as a service campaign dated May 21, 2024, received Jun 4, 2024, about the engine — 1 document under this number: E316. It names 5 model years (2020–2024). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

Campaign Certain PACCAR MX-13 engines contain bolts for the main bearing caps which may fail under certain conditions.

Manufacturer campaign id KWE316 Kind Service campaign Manufacturer date May 21, 2024 Received by NHTSA Jun 4, 2024 Components Engine

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
E316Service campaignMay 21, 202411000765not yet checked

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.

Model years it names

Source: as the manufacturer filed them

Also filed against: 2020 Kenworth T680; 2021 Kenworth T680; 2022 Kenworth T680; 2023 Kenworth T680; 2024 Kenworth T680.

None of these model years has a page on this site (it covers EPA-certified cars, trucks and SUVs from 2016), so the bulletin is listed here on its own.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Kenworth KWE316 a recall?

No. A service campaign 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.

Is the KWE316 repair free?

A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.

Which vehicles does KWE316 cover?

The manufacturer filed it against 5 model years: 2020 Kenworth T680, 2021 Kenworth T680, 2022 Kenworth T680, 2023 Kenworth T680, 2024 Kenworth T680. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.