An Infiniti repair manual can make the difference when you debate whether to take your car to the dealership for expensive repairs - or to do it yourself. Our well-written and designed repair manuals can give you the assurance that you have everything you need to do the job yourself. The manuals come with safety tips for you to review with every job - after all, we all need reminders to unhook that battery sometimes! Accordingly, you can consult the Infiniti repair guide for routine maintenance work like replacing spark plugs. The guide will give you information on the proper spark plug gap and what kind of spark plug to purchase. When it is time to replace your timing belt, the manual will instruct you on which parts you need to remove first to get to the timing belt. Check the manual for tips on how to properly align the timing belt. As part of the normal tune-up process, you'll need to change the spark plug wires; the manual will guide you as you trace the wires from each distributor cap tower to the correct spark plug. Our Infiniti repair manuals depend on the cumulated knowhow of professional mechanics at independent shops and dealerships. Oscar Wilde said once that, 'Experience is simply the name we give our mistakes.' Learn from their experience - and benefit from not being forced to repeat their mistakes!