Land Rover Engine 2.0 Litre T Series. Manual - part 8

ENGINE

OVERHAUL

NOTE: Inlet valve guide illustrated.

7. Using a piloted mandrel, press valve guide into

cylinder head from the combustion face side
until top of guide is 10.3 mm A from valve
spring seat face.

CAUTION: Ensure when fitting later type
exhaust valve guides that counterbore is
towards combustion face side of cylinder

head.

8. Allow cylinder head to air cool.

Valve seat inserts - inspection

1. Check valve seat inserts for pitting and

burning, replace as necessary.

CAUTION: Where valve installed height
exceeds dimension given, seat inserts
must be replaced.

Valve guide renewal must be carried out before
renewal of valve seat inserts.

ENGINE

OVERHAUL

Valve seat inserts - renew

1. Remove valve seat inserts.

CAUTION: Take care not to damage
cylinder head counterbore when removing
seat inserts.

2. Heat cylinder head to 100

C, fit new valve

seat inserts.

CAUTION: Ensure insert is kept square to
counterbore.

3. Cut valve seats using tools LRT-12-501,

LRT-12-518 and LRT-12-504.
Valve seat:
Width A = 1.5 to 2.0 mm
Angle B = 45

Valve face angle C
Inlet and exhaust = 45

to 45

15’

4. Lap all valves to their seats.

Valves - lapping-in

1. Lap each valve to its seat using fine grinding

paste.

2. Apply Prussian Blue to valve seat, insert valve

and press it into position several times without
rotating. Remove valve and check for even and
central seating. Seating position shown by
Prussian Blue should be in centre of valve
face.

3. Check valve installed height if valve seats have

been re-cut or new valves or valve seat inserts
fitted.

4. Ensure all traces of grinding paste are

removed on completion.

ENGINE

OVERHAUL

Valves and camshafts - assembling

1. Lubricate valve guides, valve stems, springs,

caps, spring seats and new valve stem oil
seals with engine oil.

2. Insert each inlet valve in its respective guide

and fit valve stem oil seals.
Early type guides - fit GREEN coloured seals
Later type guides - fit BLACK coloured seals.

3. Fit valve springs and caps, use tool

LRT-12-034 and adaptor LRT-12-034/1 to
compress valve springs.

4. Fit 2 collets.
5. Using a wooden dowel and mallet, lightly tap

each valve stem two or three times to seat
valve cap and collets.

6. Fit exhaust valves using above procedures.

7. Support each end of cylinder head on blocks of

wood.

8. Lubricate outside diameter of tappets, fit each

tappet to its original bore.

9. Lubricate camshaft journals.

10. Fit camshafts and rotate to position drive pins

as follows:
Inlet pin at 4 o’clock.
Exhaust pin at 8 o’clock.

ENGINE

OVERHAUL

Camshaft carriers and oil seals - assembling

1. Using an M8 x 1.25 tap, remove all traces of

sealant from camshaft cover bolt holes; clean
sealant from camshaft carriers using suitable
solvent.

2. Apply a thin, continuous bead of sealant from

kit, Part Number GUG 705548GM to cylinder
head as shown.

3. Spread sealant to an even film using a brush or

roller.

CAUTION: Ensure grooves adjacent to
each bearing journal are clear of sealant.

4. Fit camshaft carriers, fit new Patchlock bolts -

circled in illustration and plain bolts in all other
positions.

5. Working in sequence shown, progressively

tighten bolts to 25 Nm.

6. Lubricate new camshaft front and rear oil seals

with engine oil.

NOTE: Remove any burrs from lip of tool
LRT-12-072.

7. Fit front oil seals using tools LRT-12-072 and

LRT-12-064 .

CAUTION: Remove any burrs from lip of
tool LRT-12-065.

8. Fit rear oil seals using tools LRT-12-064 and

LRT-12-065 .

9. Fit blanking plates to camshaft carriers, fit bolts

and tighten to 8 Nm.

Content .. 6 7 8 9 ..