Noise and/or Shake Felt While Driving – 2010-2015 Chevrolet Express GMC Savana

Subject: Noise and/or Shake Felt While Driving
Models: 2010-2015 Chevrolet Express
2010-2015 GMC Savana
Equipped with 6.6L Turbo Duramax Diesel Engine (RPO LGH)

 

Noise and/or shake felt while driving.

This condition may be due to the upper control arm bushing being worn.

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Vehicle Body Tilt Or Lean – 1999-2015 Cadillac Chevrolet GMC

Subject: Diagnostic Tips: Vehicle Body Tilt Or Lean
Models: 1999 – 2006 Cadillac Escalade
1999 – 2006 Chevrolet Avalanche, Suburban, Tahoe
2007 – 2013 Chevrolet Suburban HD
1999 – 2007 Chevrolet Silverado Classic
2007 – 2015 Chevrolet Silverado HD
1999 – 2007 GMC Sierra Classic
2007 – 2015 GMC Sierra HD
1999 – 2006 GMC Yukon, Yukon XL, Yukon Denali, Yukon Denali XL
2007 – 2013 GMC Yukon XL HD
With Torsion Bar Front Suspension

 

This procedure should be followed to diagnose and correct customer complaints of vehicle leaning left or right.

The same steps are followed whether the lean appears in the front, rear, or both ends of the vehicle.

Generally the vehicle’s stance can be adjusted with the torsion bar adjuster bolts.

In certain cases, however, other changes may be needed.

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PIT5287B: Diagnostic Tip – Front Shock Terminal Removal – 2015-2016 Cadillac Chevrolet GMC

#PIT5287B: Diagnostic Tip – Front Shock Terminal Removal – (Apr 11, 2016)

Subject: Diagnostic Tip – Front Shock Terminal Removal
Models: 2015-2016 Cadillac Escalade Models
2015-2016 Chevrolet Suburban, Silverado, Tahoe
2015-2016 GMC Sierra, Yukon Models
With Magnetic Ride Suspension Package (RPO Z95)

This PI was superseded to update Model Years and Recommendation/Instructions. Please discard PIT5287A.


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

 

Condition/Concern

Certain repairs to the front suspension require the removal of the front shock electrical connector terminals. Because the terminals are positioned deep into the connector body, it may be difficult to remove the terminals.

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Bump, Surge or Vibration at Idle in Drive at a Stop – 2013-2014 Buick Chevrolet

#PI0928F: Bump, Surge or Vibration at Idle in Drive at a Stop – (Sep 28, 2015) – PI0928A

Subject: Bump, Surge or Vibration at Idle in Drive at a Stop
Models: 2013-2014 Buick Encore
2012-2014 Chevrolet Cruze, Sonic
2013-2015 Chevrolet Tracker, Trax
Equipped with 1.4L (RPOs LUJ, LUV) and 1.8L Engine (RPO 2H0, Mexico Use Only, Engine Not Used in US and Canada) and 6T40 Automatic Transmission (RPOs MHB, MH8)
Attention: This PI also applies to any of the above models that may be Export vehicles.

This PI has been revised to update Model Years and remove the vehicle build date. Please discard PI0928E.


 

Condition/Concern

Some customers may comment on a bump feeling, a surge or an engine vibration while stopped at idle with the transmission in Drive and their foot on the service brake.

Note: This condition is only when stopped at idle with the transmission in Drive and foot on the service brake.

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Engine Misfire SES Lamp P0300, Tick Noise – 2014-2015 Chevrolet GMC Cadillac

Subject: Engine Misfire SES Lamp P0300 AFM Cylinders
Models: 2014-2015 Chevrolet Silverado, Suburban, Tahoe
2014-2015 GMC Sierra, Yukon, Yukon XL
2015 Cadillac Escalade
Engine 5.3 L83 6.2 L86

 

SES light P0300, engine misfire on cylinder 4, 6 and/or tick noise.

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