Exhaust Leak, Noisy Exhaust, Rattle, Rumble and/or Noise Mid-Vehicle – 2014-2017 Cadillac Chevrolet & GMC

NHTSA ID Number: 10114829

Manufacturer Communication Number: PIP5442

 

Summary

This Preliminary Information communication provides information to the technician about vehicles that have an exhaust leak, noisy exhaust, or noise mid-vehicle. Technician will need to check for an unseated pipe to pipe mid-joint connection. Technician will need to install new exhaust band.

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Fuel Gauge Displays Empty / Low Fuel Light on / DTC P2636 – 2016 Chevrolet Silverado & GMC Sierra 3500 Chassis Cab

NHTSA ID Number: 10114086

Manufacturer Communication Number: PIT5510C

 

Summary

This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles that may have fuel gauge that shows empty and the low fuel level indicator is on. Technician will find Diagnostic Trouble Code P2636 will be set in the Engine Control Module. Technician will need to install (Y) Fuel Tank Fill Vent hose. Technician will need to remove the original fuel balance pump line from the pump tube. Technician can now add a new line from the (Y) to the fuel balance pump line and reprogram the ECM with updated calibrations. If the vehicle returns with the same concern and Diagnostic Trouble Code P2636 set in the Engine Control Module. Technician will need to reprogram the Engine Control Module with the latest calibrations.

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Steering Feels Loose / Excessive Lash / Fluid Leak At Lash Adjuster – 2016 Chevrolet Silverado & GMC Sierra

NHTSA ID Number: 10118253

Manufacturer Communication Number: PIT5501F

 

Summary

This Preliminary Information communication provides information to the technician on the steps to diagnosis and repair steering that feels loose or has excessive play. This concern could be caused by the Pitman Shaft Over-Center Preload Adjustment becoming misadjusted. Technician will need to replace the steering gear pitman arm shaft with an updated design.

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Sunroof Sunshade Binds and/or Will Not Retract Properly – 2012-2015 Buick LaCrosse & 2014-2015 Chevrolet Impala

NHTSA ID Number: 10070905

Manufacturer Communication Number: PI1190A

 

Summary

Sunroof sunshade binds or won’t retract on 2012-2015 Buick LaCrosse & 2014-2015 Chevrolet Impala.

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Front Sunroof Sunshade Will Not Latch or is Difficult to Latch in the Closed Position – 2010-2017 Buick Chevrolet GMC Saturn

NHTSA ID Number: 10082864

Manufacturer Communication Number: PI0341E

 

Summary

This Preliminary Informational Bulletin Adds 2015 – 2017 My’s To Repair Information For A Customer Concern That Front Sunroof Sunshade Will Not Latch In The Closed Position.

This preliminary informational bulletin is a revision of PI0341C to add Condition/Concern #2.

This preliminary informational bulletin provides a revision of PI0341B to add model years and update Warranty Information.

This preliminary informational bulletin provides a procedure for the replacement of the sunroof sunshade stricker for the conditions of Front Sunroof Sunshade Will Not Latch or is Difficult to Latch in the Closed Position

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