Warning: Refer to Safety Glasses Warning in the Preface section.
Note: Take extreme care to prevent any scratches, nicks, or damage to the camshaft. Such damage can impair vehicle operation.
- Remove the engine. Refer to
Engine Replacement.
- Remove the flywheel bolts.
- Remove the flywheel.
- Remove the crankshaft rear oil seal.
- Mount the engine assembly on the
KM-412 stand
.
- Remove the upper timing belt cover bolts.
- Remove the upper timing belt cover.
- Remove the lower timing belt cover bolts.
- Remove the lower timing belt cover.
- Slightly loosen the 3 coolant pump retaining bolts.
- Rotate the coolant pump using the
J 42492-A (1) to remove the tension from the timing belt.
- Remove the timing belt.
- Remove the valve cover bolts.
- Remove the valve cover and the valve cover gasket.
Note: Take extreme care to prevent any scratches, nicks, or damage to the camshaft. Such damage can impair vehicle operation.
- While holding the camshaft firmly in place, remove the camshaft gear bolt.
- Remove the camshaft gear.
- Remove the timing belt automatic tensioner bolt (1).
- Remove the timing belt automatic tensioner.
- Remove the rear timing belt cover bolts.
- Remove the rear timing belt cover.
- Remove the crankshaft timing belt gear.
- Rotate the engine on the
KM-412 stand
.
- Remove the oil pan retaining bolts.
- Remove the oil pan.
- Remove the oil pickup tube bolts.
- Remove the oil pump pickup tube.
- Remove the oil pump retaining bolts (1).
- Remove the oil pump.
- Mark the order of the rod bearing caps.
- Remove the connecting rod cap bolts for all of the pistons.
- Remove the connecting rod bearing caps and the lower connecting rod bearings.
- Remove the upper connecting rod bearings.
- Mark the order of the crankshaft bearing caps.
- Remove the crankshaft bearing cap bolts.
- Remove the crankshaft bearing caps.
- Remove the crankshaft bearings from the crankshaft bearing caps.
- Remove the crankshaft.
- Remove the crankshaft bearings from the engine block.
Warning: Refer to Safety Glasses Warning in the Preface section.
- Clean the parts, as necessary.
- With crankshaft and bearings in place, plastic gage all bearing clearances. Refer to
Crankshaft and Bearing Cleaning and Inspection.
- Inspect the crankshaft end play with the crankshaft bearings installed.
- Inspect for permissible crankshaft end play. Refer to
Engine Mechanical Specifications.
- With the crankshaft mounted on the front and the rear crankshaft bearings, check the middle crankshaft journal for permissible out-of-round, runout. Refer to
Engine Mechanical Specifications.
- Coat the crankshaft bearings with engine oil.
- Apply a bead of adhesive sealing compound to the grooves of the rear crankshaft bearing cap.
- Install the crankshaft bearings in the engine block.
- Install the crankshaft.
- Install the crankshaft bearings to the crankshaft bearing caps.
- Install the crankshaft bearing caps.
Caution: Refer to Fastener Caution in the Preface section.
Caution: Do not reuse crankshaft bearing cap bolts. Failure to replace the crankshaft bearing cap bolts can lead to crankshaft bearing cap bolt breakage or crankshaft bearing failure. A broken crankshaft
bearing bolt can lead to extensive engine damage.
- Install new crankshaft bearing cap bolts.
Tighten
• | Tighten the crankshaft bearing cap bolts to 50 N·m (37 lb ft). |
• | Using the
J 45059 or the
KM-470-B (1), tighten the crankshaft bearing cap bolts another 45 degrees plus 15 degrees. |
- Install the upper connecting rod bearings to the connecting rods.
- Install the lower connecting rod bearings to the connecting rod bearing caps.
- Install the connecting rod bearing caps to the connecting rods.
Note: Do not reuse the old connecting rod bearing cap bolts. Damage to the engine could result.
- Install new connecting rod bearing cap bolts.
Tighten
• | Tighten the connecting rod bearing cap bolts to 25 N·m (18 lb ft). |
• | Using the
J 45059 or the
KM-470-B (1), tighten the connecting rod bearing cap bolts another 30 degrees plus 15 degrees. |
- Install the oil pump.
- Install the oil pump retaining bolts (1).
Tighten
Tighten the oil pump retaining bolts to 10 N·m (89 lb in).
- Install the oil pump/pickup tube.
- Install the oil pump/pickup tube bolts.
Tighten
Tighten the oil pump/pickup tube and support bracket bolts to 10 N·m (89 lb in).
- Install the oil pan gasket to the oil pan.
- Install the oil pan.
Note: Install the oil pan within 5 minutes after applying the liquid gasket to the oil pan.
- Install the oil pan retaining bolts.
Tighten
Tighten the oil pan retaining bolts to 10 N·m (89 lb in).
- Install the crankshaft timing belt gear.
- Install the rear timing belt cover.
- Install the rear timing belt cover bolts.
Tighten
Tighten the rear timing belt cover bolts to 10 N·m (89 lb in).
- Install the timing belt automatic tensioner.
- Install the timing belt automatic tensioner bolt (1).
Tighten
Tighten the timing belt automatic tensioner bolt to 20 N·m (15 lb ft).
Note: Take extreme care to prevent any scratches, nicks, or damage to the camshaft. Such damage can impair vehicle operation.
- Install the camshaft gear.
- Install the camshaft gear bolt while holding the camshaft firmly in place.
Tighten
Tighten the camshaft gear bolt to 45 N·m (33 lb ft).
- Install the timing belt.
- Adjust the timing belt tension. Refer to
Timing Belt Inspection.
- Install the valve cover gasket and the valve cover.
- Install the valve cover bolts.
Tighten
Tighten the valve cover bolts to 9 N·m (80 lb in).
- Install the lower timing belt cover.
- Install the lower timing belt cover bolts.
Tighten
Tighten the lower timing belt cover bolts to 10 N·m (89 lb in).
- Install the power steering pump.
- Install the power steering pump mounting bolts.
Tighten
Tighten the power steering pump mounting bolts to 25 N·m (18 lb ft).
- Install the upper timing belt cover.
- Install the upper timing belt cover bolts.
Tighten
Tighten the upper timing belt cover bolts to 10 N·m (89 lb in).
- Install the engine lifting device.
- Dismount the engine from the
KM-412 stand
.
- Install the crankshaft rear oil seal using the
J 36972 (1) or
KM-635 .
- Install the flywheel.
- Install the flywheel bolts.
Tighten
• | Tighten the flywheel bolts to 35 N·m (26 lb ft) using a torque wrench. |
• | Using the
J 45059 or the
KM-470-B , tighten the flywheel bolts another 30 degrees plus 15 degrees. |
- Install the engine. Refer to
Engine Replacement.