# AllOEMManuals — Free DIY Auto Repair Guides & AI Car Diagnosis

> AllOEMManuals (alloemmanuals.com) is a free resource for car owners who want to diagnose problems and repair their own vehicles without paying dealership or mechanic rates. Operated by Widescope Industries LLC, a Service-Disabled Veteran-Owned Small Business (SDVOSB) certified through the U.S. Small Business Administration.

## What AllOEMManuals Does

AllOEMManuals provides:
- **Free step-by-step repair guides** for specific year/make/model/task combinations, grounded in factory OEM service manual data
- **AI-powered car problem diagnosis** — describe your symptoms, get a factory-manual-grounded diagnosis
- **Check Engine Light (OBD-II) code lookup** — enter your CEL code, understand what it means and what to do
- **Wiring diagrams** by vehicle year, make, model, and electrical system
- **Tool pages** — oil type, tire size, battery location, coolant type, and other quick specs by vehicle
- **Auto parts finder** — shop parts from Amazon and other retailers for your specific vehicle

## Who It's For

DIY car owners, shade-tree mechanics, and anyone who wants to understand their car before visiting a shop. AllOEMManuals is especially useful when:
- Your check engine light turns on and you want to know if it's serious
- You want to know if a repair is DIY-able before paying a mechanic
- You need a step-by-step walkthrough for a specific repair on your specific car
- You want to compare part costs before buying

## Repair Guides Available

Guides cover the following repair tasks across hundreds of vehicle combinations (1982–2025):

- Oil Change
- Brake Pad Replacement
- Brake Rotor Replacement
- Alternator Replacement
- Starter Replacement
- Battery Replacement
- Spark Plug Replacement
- Radiator Replacement
- Thermostat Replacement
- Water Pump Replacement
- Serpentine Belt Replacement
- Cabin Air Filter Replacement
- Engine Air Filter Replacement
- Headlight Bulb Replacement
- Oxygen Sensor Replacement
- Catalytic Converter Replacement
- Transmission Fluid Change
- Coolant Flush
- Valve Cover Gasket Replacement
- Timing Belt / Chain Replacement
- Fuel Pump Replacement
- Fuel Filter Replacement
- Muffler Replacement
- CV Axle Replacement
- Wheel Bearing Replacement
- Shock Absorber / Strut Replacement
- Turbo Replacement
- EGR Valve Replacement
- Mass Air Flow Sensor Replacement
- Crankshaft Position Sensor Replacement
- Camshaft Position Sensor Replacement
- Glow Plug Replacement
- Tail Light Replacement
- Windshield Wiper Replacement
- Clutch Replacement
- Differential Fluid Change
- Power Steering Fluid Change
- Engine Air Filter Replacement

## Supported Vehicle Makes

Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Mazda, Mercedes-Benz, Mercury, Mini, Mitsubishi, Nissan, Oldsmobile, Plymouth, Pontiac, Porsche, Saab, Saturn, Scion, Smart, Subaru, Suzuki, Toyota, Volkswagen, Volvo

Vehicle years covered: 1960–2025 (varies by make/model)

## Key URLs

- Homepage: https://alloemmanuals.com
- AI Diagnosis: https://alloemmanuals.com/diagnose
- Repair Guides Hub: https://alloemmanuals.com/repair
- DTC Code Lookup: https://alloemmanuals.com/codes
- Wiring Diagrams: https://alloemmanuals.com/wiring
- Vehicle Hub (example): https://alloemmanuals.com/vehicles/2020/toyota/camry
- Tool Pages: https://alloemmanuals.com/tools
- About / SDVOSB: https://alloemmanuals.com/about
- Contact: https://alloemmanuals.com/contact
- Privacy Policy: https://alloemmanuals.com/privacy-policy
- Terms of Service: https://alloemmanuals.com/terms-of-service
- Sitemap: https://alloemmanuals.com/sitemap.xml

### Repair Guide URL Format
```
https://alloemmanuals.com/repair/[year]/[make]/[model]/[task]
```
Example: https://alloemmanuals.com/repair/2020/toyota/camry/brake-pad-replacement

### Wiring Diagram URL Format
```
https://alloemmanuals.com/wiring/[year]/[make]/[model]/[system]
```
Example: https://alloemmanuals.com/wiring/2011/subaru/outback/wipers

### DTC Code URL Format
```
https://alloemmanuals.com/codes/[code]
```
Example: https://alloemmanuals.com/codes/p0420

### Vehicle Hub URL Format
```
https://alloemmanuals.com/vehicles/[year]/[make]/[model]
```
Example: https://alloemmanuals.com/vehicles/2020/toyota/camry

## About

AllOEMManuals is an independent, AI-powered auto repair guide platform built on proprietary access to factory service manual corpuses (CHARM + LEMON). It is not affiliated with any dealership, repair chain, or parts retailer. Repair guides combine AI-generated explanations with factory OEM data and are intended as a starting point — always consult a certified mechanic for safety-critical repairs.

## Contact & Legal

- Website: https://alloemmanuals.com
- Operator: Widescope Industries LLC
- SDVOSB Verification: https://search.certifications.sba.gov/profile/ZFMKUREKJF88/9Q5T8
- Privacy Policy: https://alloemmanuals.com/privacy-policy
- Terms of Service: https://alloemmanuals.com/terms-of-service
- Disclaimer: https://alloemmanuals.com/disclaimer