Crank Mechanism

21: Crank mechanism





Crankshaft
Main bearing journal radial runout maximum 0.040 mm
Axial play (Measured in the engine with the intermediate section tightened) 0.08-0.19 mm
Main bearing journal radial runout 0.019-0.043 mm





Big end journals
Diameter, standard(1) 50.000 0/-0.016
Bearing recess width 26.0 ± 0.1 mm
Maximum out-of-round 0.004 mm
Maximum taper 0.004 mm
(1) The variation in diameter for each bearing journal must not exceed 0.008 mm.

Main bearing journals
Diameter, standard(1) 65.000 +0.003/-0.016 mm
Axial bearing width 26.00 +0/-0.04mm
Maximum out-of-round 0.004 mm
Maximum taper 0.004 mm
(1) The variation in diameter for each bearing journal must not exceed 0.008 mm.





Connecting rods
Diameter, bearing recesses
Big end 53.00 -0/+0.013 mm
Small end 1.00 +0.005/+0.011 mm
Maximum ovality in the bearing recesses 0.006 mm
Length
Big end - Small end 147 mm

CAUTION: If the cap is turned the wrong way and tightened, the structure of the fracture surface will be damaged and the connecting rod must then be discarded.

NOTE: Blow the fracture surface clean using compressed air before reinstalling the cap.

Engine oil
Filling with oil after reconditioning.

Oil volume including oil filter
B5202-5254 6.6 liters

Oil grade
According to API Service lowest SG
According to CCMC class G4/G5.
According to ACEA class A2/A3.

Oil pressure (minimum)
13.3 r/s (800 r/min) 0.10 Mpa(1)
14.2 r/s (850 r/min) 0.10 Mpa(1)
66.7 r/ (4,000r/min) 0.35 Mpa(1)
Maximum oil pressure (the relief valve opens) 0.48 Mpa
(1) The oil pressure listed is for an oil temperature of 100°C, which is reached after 10-15 minutes driving.

Thermostat
Marking 90
Starts to open at 90°C
Fully open at 105°C