# Service bulletin PIP5421B

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: 10113480
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIP5421B
- Manufacturer's date: 2017\-02\-28
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\); ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may be running rough with a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0300 set. Technician will need to perform an Engine Compression Testing in Service Information. If excessive leakage to the crankcase is isolated, check piston and cylinder wall condition. Technician should perform the repair per the level of damage. If the cylinder wall surface has not been compromised, only piston replacement is required.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10113480-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10113480-0001.pdf)

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

## Components

Engine, Equipment and accessories, Exhaust and emissions, Crankcase ventilation \(PCV\)

## Trouble codes named

P0300

## Vehicles listed

- 2016 to 2017 CHEVROLET MALIBU

## Other bulletins for the same vehicles and component

- [18NA246](/bulletins/10161941.md), 2019-07-01, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
- [19NA080](/bulletins/10160421.md), 2019-05-28, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine.
- [18NA246](/bulletins/10158772.md), 2019-04-22, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
- [18NA246](/bulletins/10156896.md), 2019-04-08, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\); ENGINE. This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
- [PIP5598](/bulletins/10147358.md), 2018-11-13, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position.
- [PIP5421F](/bulletins/10147350.md), 2018-11-13, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This Preliminary Information communication provides information to the technician about vehicles that may be running rough with a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0300 set. Technician will need to perform an Engine Compression Testing in Service Information. If excessive leakage to the crankcase is isolated, check piston and cylinder wall condition. Technician should perform the repair per the level of damage. If the cylinder wall surface has not been compromised, only piston replacement is required.
- [PIP5421D](/bulletins/10137728.md), 2018-05-21, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This Preliminary Information communication provides information to the technician about vehicles that may be running rough with a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0300 set. Technician will need to perform an Engine Compression Testing in Service Information. If excessive leakage to the crankcase is isolated, check piston and cylinder wall condition. Technician should perform the repair per the level of damage. If the cylinder wall surface has not been compromised, only piston replacement is required.

JSON: [/v1/bulletins/10113480](/v1/bulletins/10113480)

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