Diagnostic Tip: Possible Crank No Start Or Extended Crank No Codes – 2016-2019 Buick Chevrolet & GMC

Bulletin No.: PIP5598
Published date: 10/9/2018

Preliminary Information

PIP5598 Diagnostic Tip: Possible Crank No Start Or Extended Crank No Codes

Proactive Models

Brand: Model: Model Years: VIN: Engine: Transmissions:
from to
Buick Encore 2016 – 2019 All All 1.4 LE2 All
Chevrolet Cruze 2016 – 2019 All All 1.4 LE2 All
Chevrolet Equinox 2018 – 2019 All All 1.5 LYX All
Chevrolet Malibu 2016 – 2019 All All 1.5 LFV All
GMC Terrain 2018 – 2019 All All 1.5 LYX All

 

Involved Region or Country: North America
Condition: Possible Crank No start or Extended Crank No Codes
Cause: Possible exhaust camshaft reluctor out of phase

 

Correction:

Complete latest diagnostics in service information for “Engine Cranks But Does Not Run”.

If unable to determine root cause of no start condition using published SI diagnostics proceed with the following.

Remove cam cover assembly and perform steps below to con rm exhaust camshaft reluctor orientation. During disassembly the vacuum pump drive lugs should also be inspected for damage. (Photo below show damaged vacuum pump drive lugs)

damaged vacuum pump drive lugs

damaged vacuum pump drive lugs

 

Rotate the exhaust camshaft to position the 2D matrix marking on the camshaft hex in the 12″o’clock position. (Reference photo below for 2D marking.)

2D matrix marking

 

Once the exhaust camshaft 2D matrix has been positioned at 12″O’clock. Verify the small tang located on the camshaft reluctor ring (Arrows below showing tang on reluctor) is inline with the 2D matrix marking. Also shown are additional reference points used to verify exhaust cam reluctor orientation to camshaft.

small tang located on the camshaft reluctor ring (Arrows below showing tang on reluctor)

Photo below is showing the proper relationship between the 2D matrix marking and the small tang on exhaust cam reluctor wheel.

proper relationship between the 2D matrix marking and the small tang on exhaust cam reluctor wheel

If you find the vacuum pump drive lugs are broke and/or the exhaust camshaft reluctor is out of position then replacement of the exhaust camshaft and vacuum pump will be required.

Note: If needed, It will also be necessary to locate and remove the broken vacuum pump drive lugs and other metal debris during repairs.

NOTE: This is a preliminary temporary diagnostic and repair. As more investigation information becomes available this PI will be updated or advanced to a bulletin.

 

Version History

Version 1
Modified 10/08/18 – Created on

Bulletin No.: PIP5598
Published date: 10/9/2018

https://www.nhtsa.gov/recalls?nhtsaId=10147358

https://static.nhtsa.gov/odi/tsbs/2018/MC-10147358-9999.pdf

Download (PDF, 2.3MB)


 

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Last update on 2019-04-18 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2019-04-18 / Affiliate links / Images from Amazon Product Advertising API

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