Removal & Installation
- Before servicing the vehicle, refer to the Precautions Section.
Remove or disconnect the following:
NOTEBe careful not to damage the seal surface of the cover.
Negative battery cable
Install or connect the following:
New front crankshaft oil seal
- Start the vehicle and check for leaks, repair if necessary.
Before servicing the vehicle, refer to the Precautions Section.
WARNINGDuring engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan can cause engine failure.
WARNINGThe crankshaft, the crankshaft sprocket and the pulley are fitted together by friction, using diamond washers between the flange faces on each part. For that reason, the crankshaft sprocket is also unfastened if you loosen the pulley. Therefore, the engine must be retimed each time the damper is removed. Otherwise severe engine damage can occur.
- With the vehicle in NEUTRAL, position it on a hoist.
- Remove the accessory drive belt.
Remove the valve cover.
WARNINGFailure to position the No. 1 piston at top dead center (TDC) can result in damage to the engine. Turn the engine in the normal direction of rotation only.
Using the crankshaft pulley bolt, turn the crankshaft clockwise to position the No. 1 piston at top dead center (TDC).
WARNINGThe special tool 303-465 is for camshaft alignment only. Using this tool to prevent engine rotation can result in engine damage.
NOTEThe camshaft timing slots are offset. If the special tool cannot be installed, rotate the crankshaft one complete revolution clockwise to correctly position the camshafts.
Install the special tool in the slots on the rear of both camshafts.
NOTEInstalling the special tool in this step will prevent the engine from being rotated in the clockwise direction.
- Install special tool 303-507.
Remove the crankshaft pulley bolt and washer.
- Remove the engine plug bolt.
Install the crankshaft holding tools.
WARNINGFailure to hold the crankshaft pulley in place while loosening the bolt can result in damage to the engine.
Remove the crankshaft pulley.
WARNINGUse care not to damage the engine front cover or the crankshaft when removing the seal.
Using the special tool, remove the crankshaft front oil seal.
NOTERemove the through-bolt from the special tool.
Lubricate the oil seal with clean engine oil.
Using the a seal driver, install the crankshaft front oil seal.
NOTEDo not reuse the crankshaft damper bolt.
NOTEApply clean engine oil on the seal area before installing.
Install the crankshaft pulley and hand-tighten the bolt.