Note: This procedure only applies to engines with a countershaft (refer to Specifications).
1. Remove the intermediate shaft gear as described in Section Removal and installation of drive belt gears and tensioner mechanism.
2. Mark the installation depth of the oil seal, then drill two small holes in it opposite each other.
Insert a self-tapping screw into each hole with pliers and remove the seal.
Note: On some models, you may need to remove the lower inner drive belt cover.
3. Clean the oil seal housing, use sandpaper to remove burrs and irregularities that may cause damage to the oil seal.
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4. Lubricate the sealing lips of the new seal and install it on the end of the shaft. Drive the seal into the housing to the previously marked depth. Note that if the shaft surface where the seal touches is heavily worn, the new seal must be driven into the housing a little deeper.
5. Where necessary, install the inner timing belt cover, then the idler pulley and crankshaft timing gear as described in Section Removal and installation of drive belt gears and tensioner mechanism.
6. Install the intermediate shaft gear as described in Section Removal and installation of drive belt gears and tensioner mechanism and a new toothed drive belt as described in Section Removal, inspection and installation of the toothed drive belt.