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

Car stalls when hot and has hesitation problems
Brought to you by: CarIQ      Article Usefulness: High   Complexity: High   
93 Olds Achieva stalled and would not restart. Caused by overheating problem - but also has hesitation problem. Article helps diagnose potential causes for problems
Keywords: car, truck, auto, fix, diag, stall, thermostat, overheating, heat, oldsmobile, mfg, area, engine, mfg

Driveline Vibration Diagnosis
Brought to you by: babcox.com      Article Usefulness: High   Complexity: Low   
Good article on the causes for most driveline vibration problems, from motor mounts to real wheel bearings. Still, doesn't say anything about the loose torque converter on my 65 falcon that sounded like a coffee perculator…
Keywords: car, truck, auto, diag, fix, noise, area, suspension, driveline, axle, driveshaft, engine, rattle, vibration

Fuel Pump problem diagnosis and repair
Brought to you by: babcox.com      Article Usefulness: High   Complexity: Medium   
A long and detailed article (with illustrations) describing how different types of fuel pumps work and how to troubleshoot different problems with them
Keywords: car, truck, auto, fix, diag, repair, area, engine, intake, fuel pump, mechanical, electric, pressure

Time belt and Chain options
Brought to you by: http://www.carleysoftware.com/      Article Usefulness: High   Complexity: High   
Describes how timing belts and chains play a part in engine performance, aftermarket parts, and diagnosing symptoms of problems
Keywords: car, truck, auto, fix, diag, repair, replace, area, engine, timing, belt, chain, aftermarket

Vacuum Leaks
Brought to you by: http://www.carleysoftware.com/      Article Usefulness: High   Complexity: Medium   
Article describes how to find and fix vacuum leaks by different symptoms. Helps narrow down where to look. Also includes some tips how to find leaks without expensive tools
Keywords: car, truck, auto, fix, diag, engine, area, vacuum, leak, pressure, hose, idle

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Timing belt replacement
Brought to you by: babcox.com      Article Usefulness: Medium   Complexity: Medium   
How to determine when, and the best methods to change a timing belt. Installing a new belt incorrectly (or even having one break while the engine is running) can cause major internal engine damage, so doing it correctly is important
Keywords: car, truck, auto, fix, diag, repair, engine, area, timing, belt, OHC, serpentine,

Tune up checklist
Brought to you by: http://www.carleysoftware.com/      Article Usefulness: Medium   Complexity: Low   
A good checklist for what to consider as part of a Tune Up these days, now that cars no longer necessarily have a distributor - or even plug wires in some cases! Good as either a checklist for yourself, or to be sure your mechanic is coving the right issues
Keywords: car, truck, auto, fix, diag, repair, area, engine, tune up,

Compression problem diagnosis
Brought to you by: Autosite
A very detailed set of steps to follow for diagnosing compression problems in your cylinders, heads, valves, etc.
Keywords: car, truck, auto, fix, diagnose, compression, engine, piston, valve, heads, gaskets, area, decision

Leak Color Identification
Brought to you by: Jonko Auto Repair
Got a puddle under the car but don't know where's it's coming from. This quick identification guide helps you out by fluid color
Keywords: car, truck, auto, fix, diagnosis, leaks, color, area, oil, antifreeze, coolant, fluid, liquid, decision, area, engine, transmission, cooling