Camshaft seals
1. Remove the timing belt, upper tension roller and camshaft sprocket (see paragraph 7).
2. Remove the rear timing belt cover.
3. After marking the depth of the oil seal, remove it by carefully prying it up with a small screwdriver (see figure 9.3).
Figure 9.3. Carefully pry up the camshaft oil seal with a screwdriver and pull it out, without damaging in this case the surface of the camshaft journal.
Be careful not to scratch the camshaft or the oil seal seat to avoid causing a leak.
[The original can be viewed on the website ToyotaMan]
4. Clean the seal seat and lubricate the seal with multi-purpose grease.
5. Using a suitable drift and hammer, carefully press the seal to the same depth. Make sure that the oil seal is seated correctly, without any distortions.
6. Reinstall the rear timing cover, camshaft sprocket and timing belt (see paragraph 7).
7. Start the engine and check that the new oil seal does not leak.