Long-form engineering guides — 1,500+ words each, with a jump-to-section table of contents, data charts and a buyer FAQ. Written by the same engineers who rebuild and test our units. Free to use, no email wall — because educated buyers order the right part the first time.
Aliases, OE part numbers, vehicle and year coverage, the versions that do not interchange, fault codes P0776, P0841 and P0965, and the inspection data that decides valve body versus assembly.
A family-owned Mexican repair chain toured Chinese suppliers for ten days. Day-by-day structure, the weighted supplier scorecard they scored on site, what disqualified the intermediaries — and why the 200+ product order was placed the same day.
50+ visiting buyer groups from 15+ countries in a single year. The five checks that appear on every visit, the plant data behind them, and a reusable checklist for auditing any transmission supplier.
Harsh shifts, flares, TCC shudder and P0776/P0868 codes — mapped from symptom to root cause to the right part in a full diagnostic table, with the bench-test decision flow and reman check sequence behind the diagnosis.
Wear, known-failure updates, testing depth, warranty and cost compared honestly — with a three-year indexed cost model, a per-vehicle decision flow and the QC data behind 100% dyno-tested reman units.
Where the code is stamped on the housing, how to resolve generations, and the two photos that remove 90% of fitment back-and-forth.
In the pipeline: CVT judder diagnosis, DQ200 mechatronic replacement, transfer case chain & actuator guides. Have a topic you need covered? Ask — our engineers write what buyers actually ask for.
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