For 1990-2009 cars

### Removal Procedure

1. Remove the spark plugs in order to ease crankshaft/engine rotation. Refer to Spark Plug Replacement.
2. Remove the engine front cover. Refer to Engine Front Cover Replacement.
3. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Removal.
4. Remove the primary upper camshaft drive chain guide. Refer to Primary Timing Chain Guide Removal - Upper.

### Installation Procedure

1. Install the primary upper camshaft drive chain guide. Refer to Primary Timing Chain Guide Installation - Upper.
2. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Installation.
3. Install the spark plugs. Refer to Spark Plug Replacement.
4. Install the engine front cover. Refer to Engine Front Cover Replacement.