Martin's Bench

P0731 transmission fix for Infiniti: Diagnose It Before Replacing Parts

P0731 transmission fix for Infiniti explained by an Infiniti-trained technician: diagnose the real fault, avoid costly p...

Saab 9-2x Aero tuning potential: What Owners Should Know

Saab 9-2x Aero tuning potential explained: learn the safest power upgrades, weak points, costs, and insurance questions ...

Subaru's Boxer Engine at 100,000 Miles: What Actually Wears Out

Mazda's Straight-Six Gamble: The CX-90 Engine Nobody Expected from Hiroshima

Infiniti's Variable Compression Engine: The Tech Nobody Understood — Explained on My Bench, in 10 Minutes

Why Volvo Walked Away From Six Cylinders — And Made It Work

Martin's Bench — technical breakdowns drawn on a grease-stained workbench, no jargon, just the diagram.

The PCV System That Kills Early Volvo 2.0Ts — And How to Spot It Before You Buy