timing chains JAGUAR X308 1998 2.G Workshop Manual

Engine System - General Infor
mation - Engine
Description an
d Operation

The AJ26 power unit is available in 3.2 L and 4.0 L versions, and comprises:
An eight cylinder 9
0 degree 'V' config
uration liquid cooled aluminium cylinder block incorporating 'Nikasil' plated
cylinder bores.
Pi
stons of open-ended skirt design, with
two compression and one oil control ring.
Two al
uminium cylinder heads, each
incorporating two camshafts.
F
our valves per cylinder.
Al

uminium valve lifters and top mounted shims.
Vari

able valve timing (VVT) of the inlet camshafts (4.0 L normally aspirated only).
Camshaft

covers manufactured from Vinylester.
Al

uminium timing cover which accommodat
es the crankshaft front oil seal.
Sin
gle row primary and secondary chains dr
ive the camshafts of each cylinder bank.
An alu
minium bed pl
ate, incorporating iron main bearing supports, which accomm odate the oil pump pick-up,

inside of the pump gear engage correctly with the
mating flats on the crankshaft.
3. Fit the securing bolts and tighten to 11 - 13 Nm.
2. Refit both sprockets to the crankshaft, both primary timing
chains, the timing cover and al l associated components. Refer
to Operation 12.65.76.
3. Refit the engine compartment cover (bonnet). Refer to
Operation 76.16.01.
4. Refer to the Battery Reconnection Procedure 86.15.15.

the block face; ensure that the drive flats on the inside
of the pump gear engage correctly with the mating
flats on the crankshaft.
3. Fit the securing bolts and tighten to 11 - 13 Nm.
2. Refit both sprockets to the crankshaft, both primary timing
chains, the timing cover and al l associated components. Refer
to Operation 12.65.76 (SC).
3. Refit the engine compartment cover (bonnet). Refer to
Operation 76.16.01 (SC).
4. Refer to the Battery Reconnection Procedure 86.15.15.