1D-100 Engine Mechanical:
Installation Procedure
1. Install the primary camshaft drive chain tensioner.
Refer to "Primary Camshaft Drive Chain Tensionser
Installation (Third Design)""Primary Camshaft Drive
Chain Tensionser Installation (Fourth Design)".
2. Install the spark plugs. Refer to "Spark Plug
Replacement: ".
3. Install the engine front cover. Refer to "Engine Front
Cover Replacement".
Primary Camshaft Drive Chain Guide
Replacement - Lower
The primary camshaft drive chain guide is not
serviceable separately. If the guide is worn or damaged,
the guide must be replaced with the oil pump.
Primary Camshaft Drive Chain Guide
Replacement - Upper
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 Tensionser
Removal (Third Design)" "Primary Camshaft Drive
Chain Tensionser Removal (Fourth Design)".
4. Remove the primary upper camshaft drive chain
guide. Refer to"Primary Camshaft Drive Chain Guide
Removal - Upper (Third Design)" "Primary Camshaft
Drive Chain Guide Removal - Upper (Fourth
Design)".
Installation Procedure
1. Install the primary upper camshaft drive chain guide.
Refer to "Primary Camshaft Drive Chain Guide
Installation - Upper (Third Design)" "Primary
Camshaft Drive Chain Guide Installation - Upper
(Fourth Design)".
2. Install the primary camshaft drive chain tensioner.
Refer to "Primary Camshaft Drive Chain Tensionser
Installation (Third Design)""Primary Camshaft Drive
Chain Tensionser Installation (Fourth Design)".
3. Install the engine front cover. Refer to "Engine Front
Cover Replacement".
4. Install the spark plugs. Refer to "Spark Plug
Replacement: ".