Discovery II
GENERAL DATA
04-5
Idle speed:
⇒
All loads off
660
±
50 rev/min
⇒
Base idle speed
Non-adjustable
⇒
Idle air control (IAC) valve position
Checked via TestBook
CO at idle:
⇒
Catalyst vehicles
0.5 %
⇒
Non-catalyst vehicles
0.5 - 1.0 %
Valve timing
Inlet valves:
⇒
Opens
28
°
BTDC
⇒
Closes
77
°
ABDC
Exhaust valves:
⇒
Opens
66
°
BBDC
⇒
Closes
39
°
ATDC
Fuel grade:
⇒
High compression catalyst vehicles
95 RON minimum unleaded
⇒
Low compression catalyst vehicles
91 RON minimum unleaded
⇒
Non-catalyst vehicles
97 RON leaded
Lubrication
Type
Wet sump, pressure fed
Pump type
Crankshaft driven eccentric rotor
Oil filter
Disposable canister with full flow by-pass
Pressure at idle - minimum
0.7 bar (10 lbf.in
2
)
Pressure at 2000 rev/min (hot)
3.4 bar (50 lbf.in
2
)
Relief valve opening pressure
3.4 bar (50 lbf.in
2
)
Low oil pressure switch opening pressure
0.24-0.41 bar (3.5-6.0 lbf.in
2
)
Crankshaft
Main journal diameter
63.487 - 63.500 mm (2.4995 - 2.520 in)
Crankpin journal diameter
55.500 - 55.513 mm (2.20 - 2.22 in)
End float
0.08 - 0.26 mm (0.003 - 0.010 in)
Maximum ovality
0.040 mm (0.002 in)
Main bearings
Quantity
5
Material
Glacier Vandervell / AS 15
Diametrical clearance
0.015 - 0.016 mm (0.00059 - 0.00063 in)
Connecting Rods
Type
Horizontally split big-end, plain small end
Distance between centres
155.120 - 155.220 mm (6.1071 - 6.1110 in)
Big-end bearings
Quantity
8
Material
Glacier Vandervell GPL 2120/AS 124A
Diametrical clearance
0.015 - 0.016 mm (0.00059 - 0.00063 in)
End float
0.15 - 0.35 mm (0.0006 - 0.0138 in)