Downloads >> Process Mapping Templates >> Engine Rebuild >> Engine Block Inspection

How to Rebuild an Engine

Valve Head disassembly

1. Compress valve spring
• Check for seeping core plugs
• Check for a leaking water pump
• Check for cracked rubber on the Harmonic balancer
• Check for signs of overheating
• Check for excessive gasket sealer from previous work
• Tools needed:
• Tools needed:
  
  
2. Inspect engine components
• Check the distributor for wobble and looseness
• Check the alternator - Check the alternator drive belt condition and pulley noise
• Tools needed:
• Tools needed:
  
  
3. Inspest engine components
• Check the distributor for wobble and looseness
• Check the alternator - Check the alternator drive belt condition and pulley noise
• Tools needed:
• Tools needed:
  
  
4. If all engine components are within OEM specification; remove cylinder ridge
• Ridge is the point where the piston rings meet the bore
• Tools needed:
• Tools needed:
  
  
5. COmpress valve spring
• Check for seeping core plugs
• Check for a leaking water pump
• Check for cracked rubber on the Harmonic balancer
• Check for signs of overheating
• Check for excessive gasket sealer from previous work
• Tools needed:
• Tools needed:
  
  
6. COmpress valve spring
• Check for seeping core plugs
• Check for a leaking water pump
• Check for cracked rubber on the Harmonic balancer
• Check for signs of overheating
• Check for excessive gasket sealer from previous work
• Tools needed:
• Tools needed:
  
  
7. Remove the piston and rod assemblies
• Use piston rod proctors to prevent damaging cylinder wa;;s
• Put the caps back on the rods once removed
• Tools needed: Rod journal protectors
• Tools needed:
• Tools needed:
  
  
8. Remove and inspect the crankshaft (Sub-process: Crankshaft Inspection)
• Store correctly
• Keep old bearings in order. Check the old bearings for wear/excess dirt
• Put the main caps back on the block and torque to specification
• Tools needed:
• Tools needed:
  
  
9. Remove camshaft, balancer shafts, and auxiliary drives
• Pay attention to the end play shims and spacers
• Remove bearings; pay attention to position
• Tools needed:
• Tools needed:

Click on the image below to view the Process Map in HTML format