Jaguar XJ (X350). Manual — part 323

RH and LH Cylinder Heads

10 . NOTE:

Remove the retaining bolts in the indicated sequence.

Remove the cylinder head. (Left-hand shown, right-hand similar).

Remove and discard the cylinder head gasket.

11 . Clean and inspect the cylinder head and cylinder block. <<303-00>>

Installation

RH and LH Cylinder Heads

1 . NOTE:

The head gaskets must be installed over the cylinder head to block dowels.

Install a new cylinder head gasket.

2

.

CAUTION: Use care when installing the cylinder head. Damage to the cylinder block

and or the cylinder head may result.

NOTE:

Make sure the cylinder head is installed in its original position.

NOTE:

Tighten the retaining bolts in the indicated sequence in six stages.

Install the cylinder head and install new cylinder head retaining bolts and washers.

Stage 1: tighten to 30 Nm.

Stage 2: tighten 90 degrees.

Stage 3: loosen 360 degrees.

Stage 4: tighten to 30 Nm.

Stage 5: tighten 90 degrees.

Stage 6: tighten 90 degrees .

Cylinder Head-LH

3 . Install the oil level indicator tube.

www.

Tighten to 10 Nm.

RH and LH Cylinder Heads

4 . Install the camshafts.

For additional information, refer to Camshafts LH (12.13.19)

5 . Install the catalytic converters. <<309-00>>

6 . NOTE:

Install new O-ring seals.

Install the coolant crossover tube.

Tighten to 10 Nm.

Install new lower intake manifold gaskets.

Install the fuel supply manifold and lower intake manifold.

Tighten to 10 Nm.

8 . Connect the fuel pressure regulator electrical connector and vacuum hose.

9 . Connect the ECT electrical connector.

10 . Install the left-hand valve cover.

For additional information, refer to

11 . Install the right-hand valve cover.

For additional information, refer to Valve Cover RH (12.29.44)

7 . NOTE:

www.