900 L4-1985cc 2.0L SOHC Turbo VIN S FI (1984)
Releasing Chain Tensioner, Late Type
Late Type
To release tension on chain, lift up on ratcheting pawl as shown, while pressing in on top of chain guide.
9.
Remove chain, tensioner and chain guides from the engine block and inspect for wear. Replace worn or damaged parts as necessary.
Note:
Early style tensioner is no longer available. Late style will retrofit to early engines.
10.
Install chain guides and tensioner to engine block.
Camshaft Timing Mark
11.
Ensure that all timing marks are aligned and install camshaft sprocket. Fit sprocket bolts complete with plain washers and hand tighten bolts.
WARNING: If washers are omitted, bolts will foul camshaft carrier.
12.
Release chain tension as described above and fit chain to sprocket. Be sure all chain slack is on tensioner side. Then reset tensioner.
13.
Turn crankshaft by hand two full turns in direction of normal engine rotation. Recheck all timing marks at TDC for proper alignment. Reset
timing chain if any fault is found.
CAUTION: It is easy for the chain to be off one tooth. Check the marks very carefully.
14.
Hold camshaft stationary while tightening sprocket bolts. Tighten bolts to:
14 ft lbs (4.9 Nm)
15.
Refit timing cover with water pump. Tighten cover bolts to:
14 ft lbs (4.9 Nm)
16.
Refit water pump pulley.
17.
Refit oil pump and crankshaft pulley. Tighten crankshaft bolt to:
