Timing Chain Removal and Replacement

REMOVAL

Fig. 4 Timing Chain Assembly:

1. Remove crankshaft pulley attaching bolt, then the washer and crankshaft pulley, Fig. 4.
2. Remove timing chain case attaching bolts, then the timing chain case and gasket.
3. Remove chain guide access hole cover, then the gasket.
4. Remove oil seal, then chain guides ``B'', ``A'' and ``C''.
5. Remove chain ``B'', then crankshaft sprocket ``B''.
6. Remove oil pump sprocket, then the left silent shaft sprocket with spacer.
7. Remove tension sleeve, rubber sheet, then the tensioner spring.
8. Remove distributor drive gear, then the spring pin.
9. Remove camshaft sprocket, then the timing chain and crankshaft sprocket.
10. Remove chain guides, then the sprocket holder.

INSTALLATION

Fig. 1 Timing Chain Installation:

Fig. 6 Silent Shaft Chain Adjustment & Installation:

Fig. 5 Camshaft Timing Mark Alignment:

1. Install sprocket holder, then left and right chain guides, Fig. 4.
2. Rotate crankshaft in normal direction of rotation (clockwise) until piston of cylinder No. 1 is at TDC of compression stroke with crankshaft and camshaft sprocket timing marks aligned, Fig. 1.
3. Install tensioner spring assembly onto oil pump body, Fig. 6.
4. Install timing chain on camshaft sprocket and crankshaft sprocket. Ensure timing marks are aligned, Fig. 5. Timing marks on sprockets are punch marks on the teeth while timing marks on chain are plated links.
5. Align crankshaft sprocket to the crankshaft keyway and slide into place. Align camshaft sprocket dowel hole to camshaft dowel hole.
6. Install dowel pin, then the distributor drive gear. Install sprocket screw onto camshaft and tighten to specifications.