# Service bulletin PIP5257E

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 bulletin
- NHTSA id: 10178302
- Published by NHTSA: 2020\-08\-10
- Manufacturer's number: PIP5257E
- Manufacturer's date: 2020\-06\-01
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses. Also updated to include ALL HFV6 engines Gen1 and Gen2.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178302-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178302-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2010 to 2020 BUICK ENCLAVE
- 2010 to 2019 BUICK LACROSSE
- 2013 to 2019 CADILLAC ATS
- 2020 CADILLAC CT5
- 2016 to 2020 CADILLAC CT6
- 2010 to 2019 CADILLAC CTS
- 2010 to 2016 CADILLAC SRX
- 2017 to 2020 CADILLAC XT5
- 2020 CADILLAC XT6
- 2013 to 2019 CADILLAC XTS
- 2019 to 2020 CHEVROLET BLAZER
- 2010 to 2020 CHEVROLET CAMARO
- 2012 to 2017 CHEVROLET CAPRICE POLICE PURSUIT
- 2013 to 2018 CHEVROLET CAPTIVA
- 2011 to 2012 CHEVROLET CAPTIVA SPORT
- 2015 to 2020 CHEVROLET COLORADO
- 2010 to 2017 CHEVROLET EQUINOX
- 2012 to 2020 CHEVROLET IMPALA
- 2010 to 2020 CHEVROLET TRAVERSE
- 2010 to 2020 GMC ACADIA
- 2015 to 2020 GMC CANYON
- 2010 to 2016 GMC TERRAIN

## Recalls for the same vehicles and component

- [2010170](/recalls/tc/2010170.md), 2010-05-28: Engine
- [10V223000](/recalls/nhtsa/10V223000.md), 2010-05-25: ENGINE AND ENGINE COOLING

## Other bulletins for the same vehicles and component

- [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
- [22\-NA\-080](/bulletins/11024330.md), 2025-10-16, Service bulletin: ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
- [15\-NA\-010](/bulletins/11020254.md), 2025-07-07, Service bulletin: ENGINE. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
- [24\-NA\-068](/bulletins/11019547.md), 2025-06-16, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
- [21\-NA\-240](/bulletins/11019543.md), 2025-06-16, Service bulletin: ENGINE. This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
- [PIE0794E](/bulletins/11019515.md), 2025-06-12, Service bulletin: ENGINE. This engineering information \(EI Lite\) ends the need for gathering further information using the Field Product Reporting \(FPR\) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.
- [25\-NA\-100](/bulletins/11019503.md), 2025-06-12, Service bulletin: ENGINE. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000\-mile Emission Select State Component Limited Warranty.
- [24\-NA\-139](/bulletins/11019378.md), 2025-06-07, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp \(MIL\) Illuminated – DTC P023F or P129F Set.

JSON: [/v1/bulletins/10178302](/v1/bulletins/10178302)

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