Use cautionVehicle recall · NHTSA · Published October 29, 2020
Buick Encore (2020) Recall: Missing Bolts Risk Transmission Leak and Fire
GM recalls 2020 Buick Encore vehicles with missing bolts on start-stop accumulator endcap, risking transmission oil leaks, loss of propulsion, and potential fire. Owners must have dealers inspect and replace the component.
Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
“Buick Encore (2020) Recall: Missing Bolts Risk Transmission Leak and Fire.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/79282-buick-encore-2020-recall-missing-bolts-risk-transmission-leak-and. Based on NHTSA recall #20V668000 (https://www.nhtsa.gov/recalls?nhtsaId=20V668000).
General Motors LLC recalled certain 2019-2020 Buick Encore vehicles on Oct. 29, 2020, according to the National Highway Traffic Safety Administration. Missing bolts on the start-stop accumulator endcap could cause a transmission oil leak and loss of propulsion, increasing crash risk. Owners should have dealers inspect and replace the part free of charge.
How to tell if you have it
Buick Encore, 2019-2020
What to do
GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
The hazard
Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Context
GovInfoNow's records show General Motors LLC has 414 other recalls on record since 2011-02-11. Other recent recalls of similar products include Chevrolet Silverado 2020 Power Train Recall (2026-10-23), Cadillac Lyriq 2024 Rearview Camera Malfunction Risk (2026-10-23), and Chevrolet Silverado 1500 (2017) Air Bag Recall (2026-09-24).
How to tell if you have this one
Check if your 2020 Buick Encore has missing bolts on the start-stop transmission accumulator endcap. The recall covers vehicles sold between December 15, 2020, and the current date.
Brand
Buick
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact GM Customer Service
Call 1-888-988-7267 for GM, 1-866-608-8080 for Buick, 1-800-222-1020 for Chevrolet, or 1-800-458-8006 for Cadillac to get the recall information.
Have Dealer Inspect Transmission
Dealers will inspect the start-stop transmission accumulator and replace it if missing bolts are found, free of charge.
Official remedy
What NHTSA says to do
GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
How this recall unfolded
Recall timeline
2 dated steps over 47 days.
1NHTSA received the defect report
2Recall began
Dates from the agency record only; steps without a date are left out.
Take action
Contact Buick
We’ve drafted a message you can send Buick to request your refund or repair — edit it as you like.
Subject: Recall 20V668000 — Buick Encore (2020) Recall: Missing Bolts Risk Transmission Leak and Fire
Hello,
I own a Buick Encore (2020) Recall: Missing Bolts Risk Transmission Leak and Fire that is covered by recall 20V668000 from Buick.
The official recall notice states: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?
Thank you.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on August 18, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.