Tools & references
Static mechanical reference tools — torque, tap drills, wire gauge, unit converter, fluid capacities, and wrench-to-bolt size — separate from fault-code diagnostics.
Torque specifications chart
FreeBolt torque by size and grade, plus HD wheel-nut caution.
Tap drill size calculator
FreeRecommended drill size for tapping SAE and metric threads.
Wire gauge (AWG) → amperage
FreeAWG size vs amps for 12 V / 24 V chassis wiring.
Quick unit converter
Freeft·lb ↔ N·m, psi ↔ kPa, gal ↔ L, °F ↔ °C as you type.
Fluid capacities by model
FreeSearch make/model/year fluid capacities with sources cited.
Wrench size → bolt diameter guide
FreeFrom socket size to SAE bolt diameter (and nearest metric).