| General |
|
|
| Capacity |
|
|
| Bore |
|
79.5mm |
| Stroke |
|
95.5mm |
| Compression
ratio |
|
22.5:1 |
| Compression
pressure wear limit |
|
26
bar |
| Firing
order |
|
1-3-4-2 |
| |
|
|
| Lubrication
system |
|
|
| Normal
oil pressure |
|
2
bar @ 2000 rpm @ 80° C |
| Oil
capacity |
without
filter |
3.8l |
| |
with
filter |
4.3l |
| Oil
pump back lash |
|
0.2mm
(wear limit) |
| Oil
pump axial clearance |
|
0.15mm |
| |
|
|
| Cylinder
head |
|
|
| Cylinder
head maximum distorsion |
|
0.1mm |
| Maximum
swirl chamber projection |
|
0.07mm |
| |
|
|
| Cylinder
head gasket |
|
|
| Piston
projection |
0.66mm
to 0.86mm |
1
hole |
| |
0.87mm
to 0.90mm |
2
hole |
| |
0.91mm
to 1.02mm |
3
hole |
| |
|
|
| Valves |
|
|
| Valve
stem diameter |
inlet |
7.97mm |
| |
exhaust |
7.95mm |
| Max.
head deflection |
inlet |
1.3mm |
|
(valve
stem flush with guide)
|
exhaust |
1.3mm |
| |
|
|
| Camshaft |
|
|
| Endfloat |
|
0.15mm |
| Max.
run out |
|
0.01mm |
| Max.
running clearance |
|
0.11mm |
| Cam
identification codes |
|
W
028D |
| |
|
|
| Intermediate
shaft |
|
|
| Max.
endfloat |
|
0.25mm |
| |
|
|
| Cylinder
block |
|
|
| Bore
diameter |
standard |
79.51mm |
| |
1st
oversize |
79.76mm |
| |
2nd
oversize |
80.01mm |
| Maximum
bore wear |
|
0.10mm |
| |
|
|
| Pistons
and rings |
|
|
| Piston
diameter |
Standard |
79.48mm |
| |
1st
oversize |
79.73mm |
| |
2nd
oversize |
79.98mm |
| Max.
deviation |
|
0.04mm |
| Gudgeon
pin diameter |
|
26.0mm |
| Piston
to groove wall clearance |
|
|
|
top
ring :
|
standard |
0.09mm
to 0.12mm |
| |
service
limit |
0.25mm |
|
second
ring :
|
standard |
0.05mm
to 0.08mm |
| |
service
limit |
0.25mm |
|
oil
scraper ring :
|
standard |
0.03mm
to 0.06mm |
| |
service
limit |
0.15mm |
| |
|
|
| Con
rods |
|
|
| Length |
|
144mm |
| Big
end thrust clearance |
service
limit |
0.37mm |
| |
|
|
| Crankshaft |
|
|
| Max.
endfloat |
standard |
0.07mm
to 0.17mm |
| |
service
limit |
0.37mm |
| Main
bearing journal diameters |
standard |
54mm |
| |
1st
undersize |
53.75mm |
| |
2nd
undersize |
53.5mm |
| |
3rd
undersize |
53.25mm |
| |
tolerance |
-0.0022mm
to -0.042mm |
| Main
bearing running clearances |
standard |
0.03mm
to 0.08mm |
| |
service
limit |
0.17mm |
| Crank
pin journal diameters |
standard |
47.8mm |
| |
1st
undersize |
47.55mm |
| |
2nd
undersize |
47.30mm |
| |
3rd
undersize |
47.05mm |
| |
tolerance |
-0.0022mm
to -0.0042mm |
| Big
end running clearance |
stervice
limit |
0.08mm |
| |
|
|
| Fuel
system |
|
|
| Max
engine speed |
|
5200
+/- 100 rpm |
| Idle
speed |
|
900
+/- 30 rpm |
| Fast
idle speed |
|
1050
+/- 50 rpm |
| pump
timing |
checking |
0.83
to 0.97mm lift @ TDC |
| |
setting |
0.90
to 1.02mm lift @ TDC |
|
|
|
| Turbo |
|
|
| Boost
pressure |
|
0.50
to 0.95 bar @ 3500-4000 rpm |
|
|
|
| Tightening
torques |
|
|
| Cam
cover screws |
|
10Nm |
| Cam
brearing cap nuts |
|
20Nm |
| Cam
sprocket bolt |
|
45Nm |
| Crank
pulley aux pulley bolts |
|
25Nm |
| Crank
front oil seal housing bolts |
|
25Nm |
| Crank
rear oil seal housing bolts |
|
10Nm
|
| Crank
sprocket bolt |
Stage
1 |
90Nm |
| |
Stage
2 |
90° |
| Big
end bearing caps |
stage
1 |
30Nm |
| |
stage
2 |
90° |
| Main
bearing caps |
stage
1 |
65Nm |
| |
stage
2 |
90° |
| Injection
pump sprocket |
|
45Nm |
| Fuel
inlet and outlet banjo bolts |
|
25Nm |
| injection
pump fuel union lock nuts |
|
20Nm |
| injection
pump head fuel unions |
|
25Nm |
| Injection
pump timing plug |
|
15Nm |
| Pump
to front bracket |
|
25Nm |
| Pump
to rear bracket |
|
25Nm |
| Injector
fuel pipe unions |
|
25Nm |
| Injectors |
|
70Nm |
| Downpipe
to turbo |
|
25Nm |
| Turbo
to exhaust manifold |
|
45Nm |
| Turbo
oil feed pipe |
|
25Nm |
| Turbo
oil return |
turbo
end |
40Nm |
| |
block
end |
50Nm |
| Cylinder
head bolts |
Stage
1 |
40Nm |
| |
Stage
2 |
60Nm |
| |
Stage
3 |
90° |
| |
Stage
4 |
90° |
| Exhaust
manifold nuts |
|
25Nm |
| Intermediate
shaft sprocket bolt |
|
45Nm |
| Intermediate
shaft flange bolts |
|
25Nm |
| Oil
pump cover screws |
|
10Nm |
| Oil
pump mounting bolts |
|
25Nm |
| Sump
bolts |
|
20Nm |
| Timing
belt tensioner nut |
|
20Nm |
| Piston
oil jet |
|
27Nm |
| |
|
|
