Front main seal: Perform a timing belt change. After you get the old belt off, the front main seal is accessible. Pry it out and install a new one.
Rear main seal: Remove the transmission, then the flywheel to gain access to the seal. Pry it out and install a new one.
In either case, there is a tool called a Seal Installer. It screws into the crank and evenly presses the seal into the engine block. Auto parts store "loan a tool" programs will have these, and this is what you want to do because these things are expensive and do exactly one thing - install crankshaft seals. If you don't have one, you'll never get this freakin' seal in straight.
you have to separate engine and transmission
some are
the torque setting for the the main bearings of the Toyota 2c engine is 103 Nm. The rid bearing caps are 59 Nm
The thermostat of a Vauxhall Zafira is located in front of the engine. The unit is on engine itself and has a main radiator hose connected to it. To replace it remove the hose and unbolt the house from the engine. Replace the thermostat in the housing.
Which motor? If you are talking about the main engine, it can go more than 400,000 miles if properly maintained. There is no reason to replace it unless it is having problems. If you are asking about the blower motor, it also has no specific replacement interval but could fail. Replace as needed.
You must remove the transmission are engine to replace the rear main seal.
Pull the engine.
You need to replace the oil seal.
It is located at the end of the main hose that leads to the engine from the radiator?
It's part of the ECU(main engine control module) on this model.
The main fuse box on a 1985 Toyota Tarago is located in the engine bay. It can be found behind the battery tray.
There are torque specifications for every bolt in a Toyota Corolla 1.3 L engine. The head bolt torque specifications is 70 pounds.