Polaris and Slingshot service campaign TDT-24-01
What it says6 Model Year 2024 Slingshot vehicles equipped with G4 engines have been identified by the quality team to possibly have a defective crankshaft that will cause an early life/infant failure of the lower rod bearing(s). NHTSA’s full summary ↓
Polaris and Slingshot filed this with NHTSA as a service campaign dated Dec 5, 2024, received Jan 8, 2025, about the engine. It names 6 model years across Polaris and Slingshot (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.
One page for every brand it was filed under. Each brand’s bulletins: Polaris · Slingshot.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communication6 Model Year 2024 Slingshot vehicles equipped with G4 engines have been identified by the quality team to possibly have a defective crankshaft that will cause an early life/infant failure of the lower rod bearing(s). Crankshaft failures are expected to be seen on 2.2 percent of the population or at most 1 of the affected units. Quality Alert Cases have all been created for the 6 affected VINs.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TDT-24-01 | Service campaign | Dec 5, 2024 | 11012624 | PDF, 90 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.
Model years it names
Source: as the manufacturer filed themPolaris 5 model years
Also filed against: 2024 Polaris Slingshot R; 2024 Polaris Slingshot S; 2024 Polaris Slingshot S Tech; 2024 Polaris Slingshot SL; 2024 Polaris Slingshot SLR.
Slingshot 1 model year
Also filed against: 2024 Slingshot Slingshot.
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.
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Polaris and Slingshot, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Polaris and Slingshot TDT-24-01 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 TDT-24-01 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 TDT-24-01 cover?
The manufacturer filed it against 6 model years across 2 brands (Polaris and Slingshot): 2024 Polaris Slingshot R, 2024 Polaris Slingshot S, 2024 Polaris Slingshot S Tech, 2024 Polaris Slingshot SL, 2024 Polaris Slingshot SLR, 2024 Slingshot Slingshot. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.