ENGINE - BMW DIESEL (page 2 of 3)

04

GENERAL SPECIFICATION DATA

NEW RANGE ROVER

8

INFORMATION

Crankshaft
Main bearing bearing journal diameter

Yellow

59.984 to 59.990 mm

.....................................................................

2.3616 to 2.3618 in

Green

59.977 to 59.983 mm

......................................................................

2.3612 to 2.3615 in

White

59.971 to 59.976 mm

.......................................................................

2.3610 to 2.3611 in

Oversize bearings

0.25 and 0.50 mm

............................................................

0.01 and 0.02 in

Big-end journal diameter:
Standard

44.975 to 45.00 mm

..........................................................................

1.770 to 1.771 in

1st undersize - Size 1 - 0.25 mm (0.01 in)

44.725 to 44.75 mm

.......................

1.761 to 1.762 in

2nd undersize - Size 2 - 0.50 mm (0.02 in)

44.475 to 44.50 mm

......................

1.751 to 1.752 in

Oversize bearings

0.25 and 0.50 mm

............................................................

0.01 and 0.02 in

Crankshaft end float

0.080 to 0.163 mm

.........................................................

0.003 to 0.006 in

Main bearings
Number and type

7 halved shells with oil grooves

..............................................................

Diametrical clearance

0.020 to 0.058 mm

.......................................................

0.001 to 0.002 in

Connecting rods
Diametrical clearance (big-end bearings)

0.010 to 0.055 mm

........................

0.0004 to 0.002 in

Gudgeon pin bush bore

28.995 to 29.021 mm

....................................................

1.142 to 1.143 in

Maximum deviation of connecting rod parallelism

0.05 mm

............

0.002 in

Maximum distortion

0.5 mm

..........................................................

0.02 in

Pistons
Type

Aluminium alloy, combustion chamber in crown

.................................................................................

Piston diameter measured 7 mm (0.27 in) from lower
edge and at right angles to gudgeon pin

79.96

±

0.009 mm

..........................

3.14

±

0.004 in

Intermediate size

80.04

±

0.009 mm

..............................................................

3.15

±

0.004 in

Oversize 1

80.21

±

0.009 mm

........................................................................

3.16

±

0.004 in

Piston running clearance

0.031 to 0.63 mm

..................................................

0.0012 to 0.002 in

Piston rings
Type:

Top

Double keystone

..........................................................................

Second

Taper faced

....................................................................

Oil control

Bevelled ring with spring

................................................................

Gap in bore:

All

0.2 to 0.4 mm

............................................................................

0.008 to 0.020 in

Clearance in piston grooves:

Top

Not measured

..........................................................................

Second

0.040 to 0.072 mm

....................................................................

0.002 to 0.004 in

Oil control

0.030 to 0.065 mm

................................................................

0.001 to 0.003 in

Cylinder bores
Standard

80.00 to 80.04 mm

..........................................................................

3.150 to 3.151 in

Intermediate

80.08 to 80.12 mm

.....................................................................

3.153 to 3.154 in

1st oversize

80.25 to 80.29 mm

......................................................................

3.20 to 3.21 in

Maximum ovality

0.04 mm

..............................................................

0.002 in

Maximum taper

0.04 mm

................................................................

0.002 in