79
II. Crankshaft connecting rod noise diagnosis and troubleshooting
1. crankshaft connecting rod noise cause and troubleshooting
2. Piston ring leakage, knock and noise causes and troubleshooting
Noise cause
Elimination method
Piston ring broken
Replace
Excessive piston ring backlash
Replace
Piston ring contra aperture
Correct (stagger)
Piston ring is locked
Replace
Insufficient elasticity of the piston ring
Replace
Poor seal between te piston and cylinder wall
Replace
No.
Noise area
Noise cause
Troubleshooting
Excessive connecting rod bearing radial
play
Replace the bearing
Connecting rod cover bolt loosened
Tighten
Connecting rod bearing insert dimension
not as specified result in rotation or
rupture
Replace the insert
Connecting rod bearing insert burned
Replace the insert
Poor lubrication for connecting rod
bearing
Drill the lubricant hole to normal,
improve the lubricant line
Excessive main bearing raidal play
Replace the main bearing
Main bearing cover bolt loosened
Tighten
Main bearing insert burned
Replace the insert
Poor lubrication for main bearing
Smoothen the lubricant line or
enlarge the oil hole
Main bearing insert dimension not as
specified result in rotation or rupture
Replace the main bearing insert
Excessive crankshaft bearing raidal play
Adjust (pad) to normal
Excessive wear of the cranshaft thrust
washer
Replace the thrust washer
4
Flywheel
impact noise
Flywheel set bolt loosened
Tighten
3
Crankshaft
axial runout
noise
Connecting rod
bearing noise
1
Main bearing
noise
2
Содержание CK MR479Q 2007
Страница 1: ......
Страница 52: ...45 Section 4 Fuel Pump Replacement Figure 102 ...
Страница 57: ...50 Chapter 5 Exhaust System MR7131A MR7151A MR7161A Component1 Figure 116 ...
Страница 63: ...56 Chapter 7 Clutch MR7131A MR7151A MR7161A Component 1 Hydraulic Manipulation Figure 131 ...
Страница 66: ...59 Chapter 8 Maunal Transaxle Assembly MR7131A MR7151A MR7161A Component 1 Figure 139 ...
Страница 143: ...136 Section 4 Power Steering Gear Retaining Device Components Front Cowl Panel Assembly Cotter Pin Cotter Pin ...
Страница 208: ...201 High Mounted Stop Lamp LH Rear Combined Lamp Rear Trunk Lamp Switch License Plate Lamp RH rear Combined Lamp ...
Страница 246: ...239 Tweeter Antenna Cable Antenna Assembly Front Speaker Assembly Rear Speaker Assembly ...
Страница 300: ...293 8 Remove the whole HECU from the bracket ABS HECU Assembly ABS HECU Brake Pipe Removal Schematic ...
Страница 387: ...380 5 24 1 2 3 4 Figure 5 24 COWL 1 Cowl 2 Heat Insulating Protecting Board 3 Front Cross Member 4 Heat Insulating Pad ...