PI1237

Service Bulletin Details

Public Details for: PI1237

Summary to be provided on a future date.


- 9999 -

Models from 9999
9999 GMC GENERAL MOTORS 
File in Section:
Service Bulletin
Bulletin No.:
Date:
PI1237
May, 2014
PRELIMINARY INFORMATION
Subject:
Diagnostic Tip for Intermittent Crank/No Start After Removal of Cam Shaft Sprockets
Models:
2013-2014 Buick Encore
2014 Cadillac ELR
2011-2014 Chevrolet Cruze, Volt
2012-2014 Chevrolet Sonic
2013-2014 Chevrolet Trax
2012-2014 Opel Ampera
Equipped with 1.4L Engine (RPOs LUU, LUV or LUJ)
Condition/Concern
Some customers may comment on an intermittent crank/no start. After cycling the key, the vehicle will start. This
may be caused after having the camshaft sprockets being removed for any type of engine service performed.
Recommendation/Instructions
The exhaust and intake camshaft position exciter wheel must be installed properly with special tool EN-49977-100,
fully seated on the cylinder head, before tightening the camshaft sprocket bolt. Refer to the pictures below for proper
alignment installation and tool usage.
Exciter Wheel (1)
2191382
Rear Cylinder Head with Tool Showing Proper Exciter Wheel Alignment
3819114
Front Cylinder Head with Tool Showing Exciter Wheel Misalignment
3819116
Exhaust Exciter Wheel Incorrect Alignment
3819117
Exhaust Exciter Wheel Correct Alignment
3819118

© dot.report 2024

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.