Complete Repair Documents online
If you need repair information IMMEDIATELY and none of the 10w40.com articles could help, the fastest, cheapest solution is $25 for Alldata's online service manuals and Technical Service Bulletins.
Even if you decide to take your car to a mechanic, the included shop hours estimates let you know in advance how much you should be charged for the repair. This info alone is worth the $25 !!!
Alldata.com

Oil weights - what is right for your car
Brought to you by: www.autosite.com      Article Usefulness: High   Complexity: Very Low   
So many different oil weights - what is the right oil weight to use for your car depends on how you drive and when your car was built. This article spells it out well.
Keywords: car, truck, auto, fix, maint, oil change, weight, 5w30, 10w30, multi-viscosity, heavy

Synthetic Engine Oil Comparison
Brought to you by: www.salemboysauto.com      Article Usefulness: High   Complexity: Low   
A good article that describes why and when it is best to use synthetic oil compared to conventional engine oil.
Keywords: car, truck, auto, fix, maint, maintenance, synthetic oil, change, interview

Tire sidewall defintions
Brought to you by: Autosite.com      Article Usefulness: High   Complexity: Very Low   
Good table that describes what all the words and codes on the sides on your tire mean - speed rating, load rating, traction rating, etc.
Keywords: car, truck, auto, fix, maint, tire, codes, description, speed, load, traction, wear rating

Air filters - how to change a car air filter
Brought to you by: www.edmunds.com      Article Usefulness: Medium   Complexity: Low   
A good article with pictures showing how to change an air filter on many late model cars, along with some information about why and when to change your air filter.
Keywords: car, truck, auto, fix, maint, area, intake, engine, air filter, paper,

Engine bay wash - how to safely wash your cars engine
Brought to you by: www.edmunds.com      Article Usefulness: Medium   Complexity: Very Low   
This article shows you how to safely wash your car under the hood. It points out all the areas that must be protected, and offers suggestions on how to do it best.
Keywords: car, truck, auto, fix, maint, wash, engine, hood, cleaner, oil, grease

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Oil Change - a 12 step process (plus 4 for greasing tye lube points)
Brought to you by: GMPerformance.org      Article Usefulness: Medium   Complexity: Low   
Straight forward steps, from prep to finish to change the oil in most circumstances. This example steps through a typical change for a traditional Chevy rear wheel drive car.
Keywords: car, truck, auto, fix, maint, area, engine, oil, change, lube,

Oil Change instructions
Brought to you by: www.edmunds.com      Article Usefulness: Medium   Complexity: Low   
Another good article on how to properly change your oil. This article includes lots of pictures and good suggestions.
Keywords: car, truck, auto, fix, maint, oil change, filter, plug, drain

Tire size requirements - matching original sizes
Brought to you by: www.autosite.com      Article Usefulness: Medium   Complexity: Very Low   
This article addresses questions about putting two different size tires on a car - when it is ok, and when it is not
Keywords: car, truck, auto, fix, maint, area, tires, wheels, replace, replacement

Tow hitch standards and ratings
Brought to you by: babcox.com      Article Usefulness: Medium   Complexity: Low   
Article directed at service stations, but describes different towing hitch options and how ratings work.
Keywords: car, truck, auto, fix, maintenance, towing, ratings, hitch, tow,