Safety Disclaimer

Last updated: April 26, 2026.

If you only read one page on this site, read this one.

1. Working on vehicles can cause serious injury or death.

Cars are heavy, full of stored energy, and not designed to be taken apart by inexperienced people. The most common ways DIY repair work hurts or kills people include:

• Lifting and jacking. A car falling off a jack can crush you in a fraction of a second. Always use rated jack stands on a level surface — never the jack alone, never cinder blocks, never bricks. Chock the wheels that stay on the ground.
• High-voltage electrical systems on hybrids and EVs. Hybrid and electric vehicles carry hundreds of volts DC that can stop your heart. There is no "discharge with a screwdriver" trick that makes this safe. Unless you are trained and equipped (insulated tools, Class-0 gloves, the manufacturer's service-disable procedure), stay out of the orange cables and the high-voltage battery.
• Fuel systems. Gasoline and diesel are flammable; vapors are worse. Disconnect the battery, depressurize the rail, work outside, and have a Class B fire extinguisher within reach.
• Cooling systems. A hot pressurized cooling system can spray scalding coolant into your face when you crack the cap. Let the engine fully cool first.
• Brake systems. A brake job done wrong is invisible until you need to stop and can't. Bleeding, torque specs, hardware reuse, and pad bedding all matter.
• Airbags / SRS. Supplemental restraint systems contain pyrotechnic charges and can deploy unexpectedly. Always disconnect the battery and wait for the SRS capacitor to discharge (typically 10+ minutes) before working anywhere near an airbag, clock spring, or pretensioner.
• Suspension components under load. Coil springs, torsion bars, and strut assemblies store enough energy to kill you if released uncontrolled. Use a proper compressor and the manufacturer's procedure.
• Steering and wheel hardware. Lug-nut torque, ball joints, and tie-rod ends — get any of these wrong and the wheel can leave the car at speed.

This list is not exhaustive. Every system on a car has a way to hurt you if approached carelessly.

2. Contributors are not necessarily certified mechanics.

Wrenchpit guides are crowdsourced. They are written by community members of varying experience — some are professional technicians with decades of experience, some are weekend hobbyists who fixed their own car once. We do not verify credentials and we do not pre-screen guides for technical accuracy.

A guide on Wrenchpit is one person's account of one repair on one vehicle. It may or may not apply to yours.

3. Always cross-reference with the manufacturer's service manual.

Before you start any non-trivial repair:

• Look up the factory service manual (FSM) for your specific year, make, model, trim, and market. Procedures, torque specs, and warnings change between trims and even mid-model-year.
• Check technical service bulletins (TSBs) for known issues with your vehicle.
• If your car is under warranty, performing the repair yourself may affect coverage.

A community guide is a starting point. The factory manual is the authority.

4. Use the right PPE and the right tools.

At a minimum:

• Eye protection. Safety glasses, every time. A flake of rust in your eye on day one is the cheapest lesson you'll get.
• Mechanic's gloves. Cuts, burns, and chemical exposure.
• Jack stands rated for the vehicle's weight. Plural — you need at least two, often four. Not "the jack alone."
• A torque wrench in the right range. Lug nuts, head bolts, suspension fasteners, and brake hardware all have specs for a reason. "Tight enough" is not a torque value.
• The manufacturer-specified tool when one is called for. Pulley pullers, alignment pins, oxygen-sensor sockets — improvising these is how parts and people get broken.

If a guide tells you to do something with the wrong tool, that's a sign the guide is wrong. Don't follow it.

5. Some repairs are not DIY-safe.

We strongly recommend you take these to a professional:

• High-voltage work on hybrids and EVs of any kind beyond 12-volt-system jobs.
• Brake hydraulics if you are not confident in bleeding, pressure-testing, and torque procedures. Brakes are the system most likely to kill someone else.
• Airbag / SRS beyond a code-clear after a known-good repair.
• Fuel system repairs that involve cracking the high-pressure rail, the in-tank pump on a full tank, or anything that exposes raw fuel to ignition sources.
• Welding on a vehicle without disconnecting the battery and isolating modules — modern cars have dozens of computers that hate stray current.
• Anything you don't fully understand. "Confidence" and "competence" are not the same thing.

There is no shame in paying a shop. A shop visit is cheaper than a hospital visit.

6. Recalls take priority.

If your vehicle has an open safety recall, the dealer is required to fix it for free, regardless of warranty status, age, or mileage. Do not DIY-around an open recall. Check NHTSA's recall lookup (US) or the equivalent agency for your country before you start work.

7. Local law and emissions

Some modifications and repair procedures (e.g., disabling emissions controls, removing catalytic converters, certain refrigerant work) are illegal in many jurisdictions. Wrenchpit does not authorize and will not knowingly host content describing how to violate the law. Compliance is your responsibility.

8. Your responsibility

By using Wrenchpit you agree:

• the guides on this site are informational and educational only and are not professional repair advice;
• you will follow the safety guidance on this page;
• you will use appropriate PPE, tools, and the manufacturer's service manual; and
• you accept full responsibility for any damage to property, injury to yourself or others, or death that results from any action you take based on content found on Wrenchpit.

If you are not willing to accept that responsibility, please don't use the guides — take your car to a qualified mechanic.

9. Emergency

If you are reading this from under a car that is on top of you, or after a fire, electrical contact, or other serious incident, stop reading and call emergency services immediately. Then, when you can, let us know what happened so we can warn the next person.

support@wrenchpit.com