# Service campaign TDT\-24\-01

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.

- Type: Service campaign
- NHTSA id: 11012624
- Published by NHTSA: 2025\-01\-08
- Manufacturer's number: TDT\-24\-01
- Manufacturer's date: 2024\-12\-05
- NHTSA component: ENGINE

## NHTSA's summary

6 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11012624-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11012624-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2024 POLARIS SLINGSHOT R
- 2024 POLARIS SLINGSHOT S
- 2024 POLARIS SLINGSHOT S TECH
- 2024 POLARIS SLINGSHOT SL
- 2024 POLARIS SLINGSHOT SLR
- 2024 SLINGSHOT SLINGSHOT

## Other bulletins for the same vehicles and component

- [SLG\-9.25.2026](/bulletins/11038257.md), 2026-10-07, Other: ENGINE. This Ask Polaris article provides information regarding engine valve guide wear inspection and measurement for Slingshot vehicles.
- [SLG\-6.18.2026](/bulletins/11034550.md), 2026-07-07, Other: ENGINE. This Ask Polaris article provides information to systematically identify the root cause of excessive exhaust smoke by distinguishing between oil consumption, coolant intrusion, and fuel\-related conditions.
- [SLG\-6.1.2026](/bulletins/11034548.md), 2026-07-07, Other: ENGINE. This Ask Polaris article provides information about how to perform a leakdown test on Polaris Slingshot vehicles.
- [SLG\-11.13.2025](/bulletins/11025903.md), 2025-12-02, Other: ENGINE. This Slingshot help center article provides details for changing the engine oil on model year 2020\+ Slingshot vehicles.
- [SLG\-11.13.2024](/bulletins/11011507.md), 2024-12-05, Other: ENGINE. This Slingshot help center article provides information regarding changing the oil on Model Year 2020 and newer Slingshot vehicles equipped with Prostar 2.0 engines.
- [T\-24\-02](/bulletins/10251447.md), 2024-03-07, Service bulletin: ENGINE AND ENGINE COOLING. Polaris has determined that some 2023 and 2024 Slingshot models may have a plugged timing chain oil jet which could result in a lack of oil to the timing chain guides and risk causing severe engine damage. To address this concern, Polaris has released this Service Bulletin with instructions to inspect the oil jet, and replace if needed. The affected population is less than 40 VINs.

JSON: [/v1/bulletins/11012624](/v1/bulletins/11012624)

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