Installing The Front Camshaft Seal
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Lift up and position the brake fluid reservoir and the expansion tank on top of the engine.
Use drift 9995718 on camshafts with variable valve timing units and drift 9995719 on camshafts without variable valve timing.
Use new seals and lubricate the surface of the seal that the camshaft rotates against.
Use the variable valve timing unit / timing belt pulley mounting screws. Tighten the screws until the drift bottoms out.
Remove the drift.