Modern cars are not easy to work on. You're lucky if you can find the spark plugs.

Trouble Shooting
    Check Engine Light and Trouble Codes
Jeep problems

Car Talk
10W40 Auto Repair Directory
Automotive directories at:
Yahoo > Recreation > Automotive
Google > Recreation > Autos > Repair/

Basics:
Exhaust System
Engine Diagram (Sensors, Valves, ...)

Tips - General Tips troubleshooting etc.
Gas, Octane and Combustion
Winter Mileage drops
Fluids overfilling oil, automatic transmission, differential,
Maintenance (coolant/antifreeze, oil, ...)
Cleaning and Protecting, rubber, vinyl and plastic
Batteries
Windshield Repair / Replacement
Trailer Towing Guidelines
Jeep Modification in recreation

Repair:
See:
Auto Repair - Diagnostics, Estimates, Guides, Shops & Mechanics | AutoMD.com
Auto Repair Reference Center (ARRC) available thru EBSCOhost from the library
Online Diagnostics and Repair at AllData. $25/yr.
Rust Repair
O₂ (O2) Sensors - Function - Replacing
Oil

Driving Tips:
MONROE SHOCKS & STRUTS :: Symptoms :: Tire Wear

See under Products:
Tires
Trailer Hitches
Cars
Backup Sensors
Jeeps

Mail Order:
JC Whitney

Car Resource Sites:
AA1Car.com
Car Search - Gives A-Z listings of manufacturers, suppliers and distributors. There is also a list of brand names arranged by product with supplier cross-references.

Links:
Glossary.
cars here under products.