How do you change distributor on Toyota previa?

Answer 1

Remove the heatshield (kind of triangle shape w/ 3 12mm bolts, slide it rearward out of the way.

Label each of the 5 wires to ensure correct installation later. Pull out the locking tab of the boot & unlock it from the cap. Then gently pull the wire out of the cap holding the gasket part, not the wire itself to protect it.

Use a 7mm socket & long extension to remove 3 bolts securing the cap and remove it.

Use a scewdriver to remove 2 screws atop of the rotor & pull it straight out. Save the screws for installation of the new rotor.

Install new rotor, cap, & 5 old wires in reverse order. Note that there's an O-ring between distributor & cap to seal out moisture; replace it if damaged. Also if oil is found inside the distributor, it's shaft's O-ring has failed. The whole distributor needs to be remove to replace this shaft's O-ring.