Buick Enclave Transmission Problems: Known Failures, Shop Fixes & What Each Gen Gets Wrong

2017 Buick Enclave

Stumbles off the line. Slams into gear. Then comes Transmission Hot; Idle Engine. So much for smooth. The Buick Enclave’s transmission story splits three ways. First-gen models (2008–2017) run the 6T75 6-speed, prone to full internal failure when the 35R wave plate snaps. Second-gen (2018–2024) swaps in the 9T65 9-speed. Less metal carnage, more creeping … Read more

Ecotec 1.3L Turbo Engine Problems: Boost Cuts, Valve Failures & Fixes That Stick

2023 Chevrolet Trailblazer RS

Ease into the throttle, hear the turbo spool, then the dash lights up and torque vanishes. One minute it’s punchy, the next it’s crawling with a P0299 code, a rev-hunting transmission, and a dealer muttering about actuators, cold-weather updates, or LSPI. The 1.3L L3T Ecotec packs serious torque into a pint-sized, turbocharged triple. Strong on … Read more