1 page 1 ENGINE 3-1-7 Models J08C-TP and J08C-TR Symptom Possible cause Remedy/Prevention Lack of power Other problems G Exhaust brake butterfly valve stuck............... Replace or repair exhaust in half-open position brake G Connecting rod bent ...................................... Replace or repair connecting rod G Exhaust pipe or muffler crushed ................... Replace exhaust pipe or (increased back-pressure) muffler G Breakage of turbine or blower ....................... Refer to TURBOCHARGER in CHAPTER 51 Leakage of exhaust Head gasket G Fatigued gasket (aging) ................................ Replace gasket G Damage.........................................................
Replace gasket G Improper installation ...................................... Replace gasket Head bolts G Loose bolts .................................................... Tighten bolts G Elongated bolts ............................................. Replace bolts G Improper tightening torque or ........................ Tighten properly tightening sequence Cylinder block G Cracking ........................................................ Replace cylinder block G Surface distortion .......................................... Repair or replace G Fretting of cylinder liner insertion portion ......
Replace cylinder block (insufficient projection of cylinder liner) G Cracking ........................................................ Replace cylinder head Cylinder head G Surface distortion .......................................... Repair or replace Cylinder liners G Cracking ........................................................ Replace cylinder liner G Corrosion....................................................... Replace cylinder liner G Insufficient projection of cylinder liner ........... Replace cylinder liner