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NHTSA ID Number: 10161036
Manufacturer Communication Number: PIT5049E
Summary
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.
84 Affected Products
Vehicles
CADILLAC | ESCALADE | 2007-2019 |
| CHEVROLET | AVALANCHE | 2007-2013 |
| CHEVROLET | SILVERADO | 2017 |
| CHEVROLET | SILVERADO 1500 | 2007-2018 |
| CHEVROLET | SUBURBAN | 2007-2019 |
| CHEVROLET | TAHOE | 2007-2019 |
| GMC | SIERRA 1500 | 2007-2018 |
| GMC | YUKON | 2007-2019 |
SEOCONTENT-START
Bulletin No.: PIT5049E Published date: 05/20/2019
Preliminary Information
PIT5049E Diagnostic Tip – Rattle Squeak Clunk Thump Bump Noise from Front Suspension
Models
Brand: Model: Model Years:
VIN:
from to
Engine: Transmissions:
Cadillac Escalade 2007 – 2019 All All
All All Chevrolet Avalanche 2007 – 2013
All All All All Chevrolet Silverado
2007 – 2018 All All All All Chevrolet
Suburban 2007 – 2019 All All All
All Chevrolet Tahoe 2007 – 2019 All All
All All GMC Sierra 2007 – 2018
All All All All GMC Yukon
2007 – 2019 All All All All
Supersession Statement
This PI was superseded to update model years. Please discard PIT5049D.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this
PI.
Condition / Concern
Dealers may find that there is a rattle, squeak, clunk, thump, bump, etc. type noise from the left
or right front suspension and cannot isolate the source of the noise.
Recommendations / Instructions
If normal diagnostics do not lead to the source of the noise, inspect the opposite side shock/strut
for the cause of the concern. The noise may appear to be coming from the opposite side of the
vehicle making is difficult to diagnose.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition
exhibited is resolved without completing every step, the remaining steps do not need to be
performed.
SEOCONTENT-END
Bulletin No.: PIT5049E
Published date: 05/20/2019
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Bulletin No.: PIT5049D
Published date: 02/9/2018
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Bulletin No.: PIT5049C
Published date: 02/13/2017
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Bulletin No.: PIT5049B
Date: Sep-2015
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