{"nhtsa_id":11024380,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-21","date":"2025-09-03","document_id":"25-NA-170","mfr_campaign":null,"replaces":null,"component":"VISIBILITY/WIPER; ENGINE","mfr_system":null,"summary":"This service bulletin provides a repair procedure to correct a customer concern of Loss of Air Conditioning, Weak Cooling, and/or Warm Air Coming from Vents.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024380-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024380-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024380","components":[{"id":"engine","name":"Engine","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"wiper","name":"Wipers and washers","parent":"visibility"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_gmc_sierra","2025_gmc_sierra"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}