Doosan GE08TI Engine Engine

• Starting difficult
  Cause: (1) Compression pressure z Valve's poor shut, stem distortion (2) Valve spring damage Replace valve spring (3) Cylinder head gasket's leak Replace gasket (4) Wear of piston, piston ring or liner Adjust
  Fix: (1) Repair or replace (2) Replace valve spring (3) Replace gasket (4) Adjust
• Overheating
  Cause: (1) Engine oil insufficient or poor (2) Cooling water insufficient (3) Fan belt loosened, worn, damaged (4) Cooling water pump's function lowered (5) Water temperature regulator's operation poor (6) Valve clearance incorrect (7) Exhaust system's resistance increased
  Fix: (1) Replenish or replace (2) Replenish or replace (3) Adjust or replace (4) Repair or replace (5) Replace (6) Adjust (7) Clean or replace
• Idle operation abnormal
  Cause: Ignition timing incorrect
  Fix: Adjust
• Engine output insufficient
  Cause: (1) Continuous output insufficient z Valve clearance incorrect (2) Output insufficient when in acceleration z Compression pressure insufficient Disassemble engine z Ignition timing incorrect Adjust z Damage of spark plug & ignition coil Repair or replace z Air intake amount insufficient Clean or replace air cleaner z Turbocharger poor Repair or replace
  Fix: (1) Adjust (2) Disassemble engine (3) Adjust (4) Repair or replace (5) Clean or replace air cleaner (6) Repair or replace
• Engine noisy
  Cause: (1) Crankshaft z As the wear of bearing or crankshaft progress, the oil clearances increase. Replace bearing & grind crankshaft z Lopsided wear of crankshaft Grind or replace z Oil supply insufficient due to oil passage clogging Clean oil passage z Stuck bearing Replace bearing & grind (2) Connecting rod and connecting rod bearing z Lopsided wear of con rod bearing Replace bearing z Lopsided wear of crank pin Grind crankshaft z Connecting rod distortion Repair or replace z Stuck bearing Replace & grind crankshaft z Oil supply insufficiency as clogging at oil passage progresses Clean oil passage (3) Piston, piston pin & piston ring z Piston clearance increase as the wear of piston and piston ring progresses Replace piston & piston ring z Wear of piston or piston pin Replace z Piston stuck Replace piston z Piston insertion poor Replace piston z Piston ring damaged Replace piston (4) Others z Wear of crankshaft, thrust bearing Replace thrust bearing z Camshaft end play increased Replace thrust plate z Idle gear end play increased Replace thrust washer z Timing gear backlash excessive Repair or replace z Valve clearance excessive Adjust valve clearance z Abnormal wear of tappet, cam Replace tappet, cam z Turbocharger inner part damaged Repair or replace
  Fix: (1) Replace bearing & grind crankshaft (2) Grind or replace (3) Clean oil passage (4) Replace bearing & grind (5) Replace (6) Adjust valve clearance (7) Repair or replace

Compiled from service & troubleshooting documentation across every generator set that uses the Doosan GE08TI.

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.