The Mechanic

Torque Specs, Tire Pressure, Oil Capacity & Reference Tools

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Select Bolt Grade Class

Metric Bolt Torque Specifications (Nm)

Thread Wrench (mm) 4.6 5.8 8.8 10.9 12.9

Wheel Lug Nut Torque Specifications

Common vehicle lug nut torque values. Always verify with your owner's manual.

Make Model Years Torque (ft-lb) Torque (Nm)

Engine Oil Capacity & Filter Reference

Common vehicle oil capacities with filter. Always verify with your owner's manual.

Make Model Years Engine Capacity (qt) Capacity (L) Oil Type

Recommended Tire Pressure by Vehicle (PSI)

Standard tire pressure specs. Check door jamb sticker for exact specs. Pressures may vary by tire size.

Make Model Years Front (PSI) Rear (PSI) Spare

Metric ISO/DIN Socket Sizes

Thread Size Socket/Wrench Size

SAE (UNC) Socket Sizes

Thread Size Socket/Wrench Size

ISO Metric Coarse Thread - Tap Drill Sizes

Thread Pitch Tap Drill (mm) Core Drill (mm)

Torque Converter

Length Converter

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Essential Car Maintenance Products

Must-have tools and products for basic vehicle maintenance. These are the essentials every car owner should have for DIY repairs and routine service.

OBD2 Scanner

Diagnose check engine lights and read trouble codes instantly. Essential for understanding what's wrong before visiting a mechanic.

Why you need it: Save hundreds on diagnostic fees. Read codes, clear check engine lights, and monitor real-time engine data. Works with all 1996+ vehicles.

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Digital Tire Pressure Gauge

Accurate tire pressure readings prevent uneven wear and improve fuel economy. Backlit display for easy reading in any condition.

Why you need it: Proper tire pressure extends tire life by 25% and improves MPG by 3%. Check monthly - gas station gauges are often inaccurate.

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Heavy-Duty Jumper Cables

4-gauge 20-foot cables for reliable jump starts. Long enough to reach between vehicles, heavy-duty clamps for solid connection.

Why you need it: Dead batteries happen to everyone. Keep in trunk year-round. 4-gauge handles all vehicles including trucks. 20-foot length works for any parking situation.

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3-Ton Floor Jack

Low-profile hydraulic jack lifts most cars, trucks, and SUVs safely. Dual pump for fast lifting. Rubber saddle protects frame.

Why you need it: Required for tire rotations, brake jobs, oil changes. 3-ton capacity handles sedans to full-size trucks. Low-profile slides under lowered vehicles.

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Mechanic's Socket Set (SAE & Metric)

Complete 1/4" and 3/8" drive socket set with ratchets. Includes both SAE and metric sizes for all fasteners.

Why you need it: Most essential tool for any repair. Handles 90% of automotive fasteners. Lifetime warranty from quality brands. Invest once, use forever.

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Automotive Multimeter

Test batteries, alternators, fuses, and circuits. Auto-ranging digital multimeter designed for 12V automotive systems.

Why you need it: Diagnose electrical issues yourself. Test battery voltage (should be 12.6V), alternator output (13.5-14.5V), and find parasitic drains. Saves mechanic diagnostic fees.

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