NHTSA service bulletin

NHTSA Service Bulletin 10211061: 2000-2022 Chevrolet Avalanche

Official manufacturer communication context for 2000-2022 Chevrolet Avalanche, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10211061 summary graphic for 2000-2022 Chevrolet Avalanche
10211061NHTSA document ID
Manufacturer communicationcommunication type
39affected product rows
75/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
ChevroletAvalanche 15002002-2013Ask for service records and run the exact VIN before purchase.
ChevroletAvalanche2007-2013Ask for service records and run the exact VIN before purchase.
ChevroletAvalanche 25002002, 2003, 2004, 2005, 2006, 2007, 2013Ask for service records and run the exact VIN before purchase.
ChevroletC Series2003-2009Ask for service records and run the exact VIN before purchase.
ChevroletC45002003-2010Ask for service records and run the exact VIN before purchase.
ChevroletC4500 Na2008Ask for service records and run the exact VIN before purchase.
ChevroletC55002003-2008Ask for service records and run the exact VIN before purchase.
ChevroletExpress 15002000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014Ask for service records and run the exact VIN before purchase.
ChevroletExpress2000-2019Ask for service records and run the exact VIN before purchase.
ChevroletExpress 25002000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2014Ask for service records and run the exact VIN before purchase.
ChevroletExpress 35002000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2014Ask for service records and run the exact VIN before purchase.
ChevroletExpress 45002009, 2012, 2014, 2016Ask for service records and run the exact VIN before purchase.
ChevroletExpress Cutaway2013Ask for service records and run the exact VIN before purchase.
ChevroletExpress Cutaway Van2006-2008Ask for service records and run the exact VIN before purchase.
ChevroletRedundant Silverado 25002001Ask for service records and run the exact VIN before purchase.
ChevroletSilverado 1500 Hd2001-2005Ask for service records and run the exact VIN before purchase.
ChevroletSilverado 25002000-2022Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10211061?

This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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