Timing & Counterbalance Shaft Belts: Removal
- Remove drive belts and drive pulleys from crankshaft and water pump. Remove timing belt covers. To align timing marks, rotate engine clockwise so No. 1 cylinder is at TDC of compression stroke. Ensure camshaft sprocket timing marks align with upper surface of rocker cover. Dowel pin of camshaft sprocket should be pointing upward. See Fig 1 and Fig 2
.CAUTION: DO NOT rotate engine counterclockwise (as viewed from timing belt end of engine). If reusing timing belt, place reference mark on timing belt to indicate direction of rotation before removing.
- Remove timing belt auto tensioner.
- If reusing timing belt, place mark on timing belt to indicate direction of belt rotation.
- Remove timing belt.
- Remove camshaft sprockets.
- When the oil pump sprocket nut is removed, first remove plug at left side of block and insert a screwdriver to hold left counterbalance shaft in position. Use a screwdriver with a shaft measuring 8 mm (0.3") in diameter. Screwdriver will have to be inserted at least 2.36" (60 mm). See Fig 3. Remove oil pump sprocket nut and sprocket. See Fig 2.
- Loosen right counterbalance shaft sprocket mounting bolt. Remove tensioner "B" and timing belt "B". See Fig 2.
- Remove crankshaft sprocket "B" from crankshaft.
CAUTION:
Be careful not to damage cylinder head and camshaft sprocket with wrench during sprocket removal.