🔧 WrenchReady

Fix it yourself — safely.

DIY repair guides for cars, bikes, boats, RVs & small engines. Step-by-step guides, printable checklists, and a troubleshooting assistant.

Browse by vehicle

Cars & Trucks Motorcycles Boats & Marine RVs & Campers Small Engines

Browse by system

Engine Electrical Brakes Cooling Fuel HVAC / Heating Plumbing & Water (RV) Marine Drive / Outboard

Browse by symptom

No crank Clicking, no start Slow crank Battery keeps dying Dim lights Squealing brakes Grinding brakes Soft brake pedal Overheating Steam from hood Coolant leak No hot water Water heater won't light Won't start Runs rough Surging / hunting idle Seasonal storage & prep

Starter guides & checklists

guide

Battery & Charging System Diagnosis

Figure out whether a weak start is the battery, the alternator, or a connection problem using a $20 multimeter.

Beginner · 30–45 min
guide

No-Crank / No-Start Diagnosis

Turn the key and nothing happens (or just a click)? Work from the simple stuff to the starter in a logical order.

Beginner–Intermediate · 30–60 min
guide

Disc Brake Pad Replacement

Replace front or rear disc brake pads on a typical car or light truck, with the safety steps people skip.

Intermediate · 1–2 hrs per axle
guide

Engine Overheating: What to Check

Temperature gauge climbing? Here's how to stay safe and narrow down the cause from coolant to fan to thermostat.

Beginner–Intermediate · 30–90 min
guide

Outboard Motor Winterization

Protect a 2- or 4-stroke outboard over the off-season: fuel, flushing, fogging, gear oil, and storage.

Beginner–Intermediate · 1–2 hrs
guide

RV Water Heater Not Lighting (Propane)

Safe, owner-level checks for a propane RV water heater that won't fire — and where DIY should stop.

Beginner · 20–45 min
checklist

RV Winterization Checklist

Protect RV fresh-water plumbing from freeze damage with the antifreeze bypass method.

Beginner · 1–2 hrs
guide

Small Engine Won't Start (Mower, Generator, Pressure Washer)

The classic fuel–spark–air check for four-stroke small engines, plus carb cleaning basics.

Beginner · 30–90 min
checklist

Seasonal Car & Truck Maintenance Checklist

A printable spring/fall walk-around for cars and light trucks that catches problems early.

Beginner · 45 min
checklist

Motorcycle Spring Recommissioning (T-CLOCS Style)

Bring a bike out of storage safely: tires, controls, lights, oil, chassis, stands.

Beginner · 45–60 min

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