1999 JAGUAR S TYPE Powertrain Manual

Page 9 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual 4
Introduction
D.303.1201
AJ-V6 ENGINEThe AJ-V6 is a water cooled six cylinder engine
configured as two banks of cylinders in a 60û V
formation. Valve operation is via chain driven
double overhead ca

Page 10 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual V6 EngineAJ-V6/AJ28
5
Engine Specifications
Configuration 60û V6
Displacement 2967 cc (181 cu. in)
Bore 89.0 mm (3.504 in)
Stroke 79.5 mm (3.130 in)
Compression ratio 10.5 :1
Cylinder head 2 overhead

Page 11 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual V6 Engine
6
Basic Engine
Engine Structure
Basic engine construction is similar to the V8 in
that a structural bedplate is used which bolts to
the cylinder block to provide a very strong
housing for th

Page 12 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual D.303.1210
V6 EngineAJ-V6/AJ28
7 CRANKSHAFT
D.303.1210
D.303.1208
CONNECTING ROD AND PISTON
D.303-1208
Crankshaft
The forged steel crankshaft runs in four
aluminium/tin main bearings with the lower
be

Page 13 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual V6 Engine
8
Cylinder Head
The aluminium alloy cylinder heads have square
squish combustion chambers with four valve
ports and a central spark plug. Each head is
aligned to the cylinder block via two s

Page 14 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual V6 EngineAJ-V6/AJ28
9
Camshafts and Valve Gear
The basic camshaft consists of individual
machined cam lobes, thrust washer and end plug
assembled on a steel tube. The exhaust camshafts
also have a pre

Page 15 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual V6 Engine
10
D.303.1204
CAMSHAFT DRIVE 
D.303.1204
AJ-V6/AJ28
Camshaft Drive
Two timing chains are used, one for each cylinder
bank and driven by separate sprockets keyed to
the crankshaft. The chains

Page 16 of 75

JAGUAR S TYPE 1999 1.G Powertrain Manual V6 EngineAJ-V6/AJ28
11
D.303.1220
IGNITION COIL COVERIgnition Coil Cover
A plastic ignition coil cover, embossed with
ÔJAGUAR V6Õ, is fitted to engine bank 2 only. The
cover is attached via two push
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