NHTSA ID Number: 10201122
Manufacturer Communication Number: PI1002B
Summary
Grease or Sealant Visible on Steering Gear – Should not be interpreted as Leak
Condition/Concern
Some customers or technicians may comment on seeing grease or sealant on certain locations of the steering gear. The illustrations below include arrows showing the areas on the steering gear that the supplier intentionally applies sealing grease. Any of these locations have the potential of showing visible grease under normal operation.
During the manufacturing process, sufficient grease is used for lubrication and sealing of components of the steering gear. Also, sealant is added to areas of the steering gear to keep water and environmental contaminants from getting into the steering gear.
Recommendation/Instructions
If upon inspection, the steering gear assembly clamps, boots, and fasteners are all in place, the visual evidence of grease/sealant on the exterior of the steering gear is considered normal and no correction is necessary. If excess grease is noted, it should be wiped off the exterior of the gear , however, sealant should be left in place as a barrier to water and contamination, and no cleaning is required.
Customer Information
Please communicate to the customer this is a normal condition of their vehicle. Please share this information with the customer, including a copy of this message.
SEOCONTENT-START
Bulletin No.: PI1002B Date: Dec-2015 Subject: Grease or Sealant Visible on Steering Gear – Should Not Be Interpreted as Leak Models: 2014-2016 Chevrolet
Silverado 1500 2015-2016 Chevrolet
Suburban, Tahoe 2014-2016 GMC Sierra 1500 2015-2016 GMC Yukon Attention: This PI also applies to any of the above models that may be Export vehicles. This PI has been revised to update the Models and Model Years. Please discard PI1002A. Condition/Concern Some customers or technicians may comment on seeing grease or sealant on certain locations of the steering gear. The illustrations below include arrows showing the areas on the steering gear that the supplier intentionally applies sealing grease. Any of these locations have the potential of showing visible grease under normal operation. 1 The graphics below are photo examples, which include arrows showing some of the common areas where grease may be evident after the vehicle has been driven for a length of time. 2 3 During the manufacturing process, sufficient grease is used for lubrication and sealing of components of the steering gear. Also, sealant is added to areas of the steering gear to keep water and environmental contaminants from getting into the steering gear. Recommendation/Instructions If upon inspection, the steering gear assembly clamps, boots, and fasteners are all in place, the visual evidence of grease/sealant on the exterior of the steering gear is considered normal and no correction is necessary. If excess grease is noted, it should be wiped off the exterior of the gear , however, sealant should be left in place as a barrier to water and contamination, and no cleaning is required. Customer Information Please communicate to the customer this is a normal condition of their vehicle. Please share this information with the customer, including a copy of this message.
SEOCONTENT-END
12 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CHEVROLET | SILVERADO 1500 | 2014-2016 |
| CHEVROLET | SUBURBAN | 2015-2016 |
| CHEVROLET | TAHOE | 2015-2016 |
| GMC | SIERRA 1500 | 2014-2016 |
| GMC | YUKON | 2015-2016 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PI1002B
Date: Dec-2015
MC-10201122-9999.pdf 1216.898KB
NHTSA ID Number: 10071672
Manufacturer Communication Number: PI1002A
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PI1002A
Date: October, 2013
SB-10071672-5448.pdf 1155.945KB
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