Cylinder Head Assembly: Service and Repair
Cylinder Head ReplacementTools Required
^ J 36660-A Torque Angle Meter
Removal Procedure
1. Remove the camshaft cover.
2. Remove the exhaust manifold.
3. Remove the front cover.
4. Remove the cylinder head access hole plugs.
5. Remove the timing chain tensioner shoe bolt.
6. Remove the timing chain tensioner shoe.
7. Remove the timing chain tensioner guide bolts.
8. Remove the timing chain tensioner guide.
9. Remove the timing chain and the sprockets..
10. Loosen and remove the cylinder head bolts.
11. Remove the cylinder head.
12. Remove the cylinder head gasket.
13. Place the cylinder head on a flat, clean surface with the combustion chambers face up, in order to prevent damage to the deck face.
14. If replacing cylinder head, refer to Cylinder Head Disassemble.
15. Clean and inspect the cylinder head.
Installation Procedure
Important: Ensure number 1 cylinder is at top dead center.
1. If installing new cylinder head, refer to Cylinder Head Assemble.
2. Install the dowel pins, cylinder head locator, if necessary.
3. Install a new cylinder head gasket.
4. Install the cylinder head.
5. Install new cylinder head bolts.
Notice: Refer to Fastener Notice in Service Precautions.
6. Tighten the new cylinder head bolts in the following sequence:
6.1. Tighten the cylinder head bolts (1-14) in sequence to 30 Nm (22 ft. lbs.).
6.2. Use J 36660-A to tighten the cylinder head bolts in sequence an additional 155 degrees.
6.3. Tighten the (2 Short) end bolts to 7 Nm (62 inch lbs.).
Use J 36660-A to tighten the short cylinder head end bolts an additional 60 degrees.
6.4. Tighten the (1 Long) end bolt to 7 Nm (62 inch lbs.).
Use J 36660-A to tighten the long cylinder head end bolt an additional 120 degrees.
7. Install the cylinder head access hole plugs.
^ Tighten the plugs to 5 Nm (44 inch lbs.).
8. Install the timing chain and sprockets.
9. Install the front cover.
10. Install the camshaft cover.
11. Install the exhaust manifold.