Add your complaint?
Back
Crash Tests
3
TSBs
763
Lemon Law
Buick
»
Envision
»
2019
switch models
Cascada
Century
Electra
Enclave
Encore
Encore GX
Envision
LaCrosse
LeSabre
Lucerne
Park Avenue
Rainier
Reatta
Regal
Regal TourX
Rendezvous
Riviera
Roadmaster
Skyhawk
Skylark
Somerset
Terraza
Verano
switch years
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
«
search for something else
Buick TSB #18NA201
2019 Buick Envision
Affected Component: ENGINE AND ENGINE COOLING
Date Published
MAY 05, 2021
NHTSA TSB #
10198841
TSB Document
MC-10198841-9999.pdf
Summary
This technical bulletin provides a procedure to seal the bedplate bolt #621 if found the cause of the oil leak.