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 Drive Chain Tensioner Removal .
4. Remove the primary upper camshaft drive chain guide. Refer to Primary Camshaft Drive Chain Guide Removal - Upper .

### Installation Procedure

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