Toyota Corolla 1.4 D Workshop Manuals
If you have to carry out adjustments for your Toyota Corolla 1.4 D then it is usually a great idea to have access to a Workshop Manual to use as reference in case you want to know how to take off a particular component including Gearbox and fit it again correctly.
Searching for Toyota Corolla 1.4 D Manuals.....

Toyota Corolla 1.4 D Workshop Manuals will give special diagnostic info for the car therefore if something is playing up it will help you figure out what the problem is and ways to resolve it. After that you can assess if this can be achieved on your own or that the job is too big you could book your Corolla 1.4 D in with a decent repair garage.