not hard at all. follow ur lower raditor hose to the engine...should be two bolts to unscrew...don't forget to drain your raditor, unless u want a mess. with the two nuts off, pull off the lower hose, there is ur thermostat. simply replace with seals in place, and reverse removal.
It's not hard but time consuming.
Check the stirring fluid level, stirring pump and cv-joints.
Not hard at all, you can get from Toyota directly, from Advance Auto Parts, and from Ebay.com. Just make sure that you order the right type.
Each 5000 miles if you drive in hard conditions (city, a lot hills, mountains), and each 7500 miles if you drive in mild conditions (highway mileage).
It is not hard if you have the proper tools. Drain the radiator and remove the upper hose at the engine. Remove the thermostat housing and install the thermostat. Clean the surfaces and install the new thermostat.
Please be more specific in your question. Because it is hard to understand what you are asking about.
only possable if you have the same engine e.g 3s-fe to a 3s-fe but use the old manifolds and mounts for which the motor is going into ive done heaps of these but you cant change a 3s-fe in a 4s-fe then the mounts are slightly different but not hard to make new ones.
The blower motor is on the passenger side underneath the dash. Its not hard to get too. It has 3 or 4 screws and it takes a little manipulation to get it out but its a simple job. Took me about 30min. to remove and replace it.
Do you have heat when you turn the fan on?
How hard is it to change the rear main seal in my 1992 toyota pickup , with the 3.0 V6
On Camry 99 it took me 20 mins to replace the right side. The drivers side take about the same time.
Stalling, hard starting and loss of power. If you even suspect it is clogged, replace it.