For 1990-2009 cars

1. Remove the camshaft bearing cap bolts.
2. Remove the camshaft bearing caps. Note the code marks on the bearing caps (L1, L2, L3, etc.).

The bearing caps for the passenger side cylinder head are marked with an L, followed by a number.

The bearing caps for the drivers side cylinder head are marked with an R, followed by a number.

3. Remove the camshafts with the seal attached.
4. Remove the camshaft seal.