Page 257 of 1007

ENGINE - K SERIES KV6
12-3-80 OVERHAUL
Crankshaft front oil seal
$% 12.21.14.01
Remove
1.Remove camshaft timing belt.
+ ENGINE - K SERIES KV6,
OVERHAUL, Camshaft timing belt.
2.Remove crankshaft drive gear.
3.Fit thrust button, LRT-12-200/3 to end of
crankshaft.
4.Screw LRT-12-200 into crankshaft front oil
seal.
5.Tighten centre bolt of LRT-12-200 to remove oil
seal.
6.Remove and discard oil seal from LRT-12-200.
7.Remove thrust button from crankshaft.Refit
1.Clean oil seal recess in oil pump and running
surface on crankshaft, ensure bolt holes are
clean and dry.
2.Fit oil seal guide from seal kit, over end of
crankshaft.
3.Position new seal on crankshaft up against oil
pump housing. Drift seal into place using tool
LRT-12-202.
CAUTION: Oil seal must be fitted dry.
4.Remove LRT-12-202 and oil seal guide from
crankshaft.
5.Clean crankshaft gear and wipe end of
crankshaft.
6.Fit drive gear to crankshaft.
7.Fit camshaft timing belt.
+ ENGINE - K SERIES KV6,
OVERHAUL, Camshaft timing belt.
Page 258 of 1007
ENGINE - K SERIES KV6
OVERHAUL 12-3-81
Crankshaft rear oil seal
$% 12.21.20.01
Remove
1.Remove automatic gearbox.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gearbox - KV6 - with engine and
gearbox removed.
2.Assemble LRT-12-161 to LRT-12-199 and
secure with clamp bolt.
3.Position LRT-12-161 and LRT-12-199 to
crankshaft pulley to restrain crankshaft.
4.With assistance, remove and discard 6 bolts
securing drive plate to crankshaft.
5.Remove drive plate from crankshaft.6.Remove and discard 5 bolts securing
crankshaft rear oil seal housing to cylinder
block.
7.Remove crankshaft rear oil seal.
Refit
1.Clean cylinder block face and oil seal running
surface on crankshaft, ensure bolt holes are
clean and dry.
2.Position oil seal protector, LRT-12-061 to
crankshaft.
3.Position oil seal to crankshaft.
CAUTION: Oil seal must be fitted dry.
Page 259 of 1007

ENGINE - K SERIES KV6
12-3-82 OVERHAUL
4.Fit new Patchlok bolts securing oil seal to
cylinder block and using sequence shown,
tighten to 8 Nm (6 lbf.ft).
5.Remove oil seal protector LRT-12-061.
6.Clean bolt holes in crankshaft using an old
drive plate bolt with two saw cuts at an angle of
45° to the bolt shank.
7.Clean drive plate and mating face of
crankshaft.
8.Position drive plate to crankshaft and fit but do
not tighten new Patchlok bolts.
9.Position LRT-12-161 and LRT-12-199 to
crankshaft pulley to restrain crankshaft.
10.Using sequence shown, tighten to bolts to:
lStage 1 - 25 Nm (18 lbf.ft)
lStage 2 - 100 Nm (74 lbf.ft)
11.Remove special tool from crankshaft pulley,
loosen bolt and remove LRT-12-161 from LRT-
12-199.
12.Fit automatic gearbox.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gearbox - KV6 - with engine and
gearbox removed.
Crankshaft
$% 12.21.33.01
Remove
1.Remove cylinder head gaskets.
+ ENGINE - K SERIES KV6,
OVERHAUL, Cylinder head gasket - LH.
+ ENGINE - K SERIES KV6,
OVERHAUL, Cylinder head gasket - RH.
2.Remove oil pump gasket.
+ ENGINE - K SERIES KV6,
OVERHAUL, Oil pump - Overhaul.
3.Remove crankshaft rear oil seal.
+ ENGINE - K SERIES KV6,
OVERHAUL, Crankshaft rear oil seal.
4.Remove engine sump.
+ ENGINE - K SERIES KV6,
OVERHAUL, Sump - engine oil.
Disassembly
1.Remove bolt securing oil pick up strainer,
remove strainer and discard 'O' ring.
Page 260 of 1007

ENGINE - K SERIES KV6
OVERHAUL 12-3-83
2.Using sequence shown, remove 8 M8 bolts
securing lower crankcase to cylinder block.
3.Remove remaining M8 bolt and 2 M6 bolts
securing lower crankcase to cylinder block.
4.Remove lower crankcase.
5.Using sequence shown, remove and discard 16
bolts securing bearing ladder to cylinder block.
NOTE: Short length bolts are fitted to the outer
edge of the bearing ladder.
6.Release bearing ladder from dowels and
remove from cylinder block.7.Remove main bearing shells and 2 thrust
washer halves from bearing ladder, keep main
bearing shells in fitted order; discard thrust
washers.
8.Temporarily fit crankshaft pulley bolt.
9.Remove 4 dowel bolts and remove big end
bearing caps from No 1 and No 2 connecting
rods. Keep bearing caps in order.
NOTE: Number stamped below bearing cap
bolt is bearing bore size code. Number
stamped on connecting rod is cylinder number
and letter is weight code.
CAUTION: Do not remove cylinder clamps
LRT-12-144 unless pistons and connecting
rods are to be removed.
10.Release connecting rods from crankshaft.
11.Remove bearing shells from connecting rod
and cap.
12.Rotate crankshaft using pulley bolt, remove
bolts securing remaining connecting rod
bearing caps. Remove bearing caps and
bearing shells from caps. Keep bearing caps in
their fitted order.
M12 6858
M12 6835
Page 261 of 1007

ENGINE - K SERIES KV6
12-3-84 OVERHAUL
13.Remove crankshaft, remove main bearing
shells and thrust washers from cylinder block.
Discard thrust washers.
14. Main bearings - selection: record main
bearing code letters from front face of cylinder
block. Reading from left to right, the first letter
relates to No.1, (front) main bearing journal.
15.Record main bearing code numbers, located on
the crankshaft rear web. The first number,
reading left to right, relates to number one main
bearing journal.
Inspect
1.Check crankshaft main journal diameters.
2.Diameters should be within tolerances.
Replace crankshaft if outside tolerance.
+ GENERAL DATA, Engine - KV6
Petrol.
3.Determine appropriate main bearing shells to
be fitted from size selection and type tables in
general data.
+ GENERAL DATA, Engine - KV6
Petrol.4.Determine main bearing thickness by colour
code on edge of bearing.
+ GENERAL DATA, Engine - KV6
Petrol.
5. Crankshaft big-end journal
diameters:Check crankshaft big-end journal
diameters; replace crankshaft if outside
tolerance.
+ GENERAL DATA, Engine - KV6
Petrol.
6.Determine big-end bearing thickness by colour
code on edge of bearing.
+ GENERAL DATA, Engine - KV6
Petrol.
7. Big-end bearings - selection: Record big-end
journal code letters, located on the rear
crankshaft web. The first letter, reading from
left to right, relates to the number one big-end
journal.
8.Record big-end bearing bore numbers, this will
be 7, 8 or 9 located on the connecting rod
bearing cap.
Page 262 of 1007

ENGINE - K SERIES KV6
OVERHAUL 12-3-85
9. Big-end bearings selection: Select the
required bearing shells from general data.
+ GENERAL DATA, Engine - KV6
Petrol.
10.Ensure all bolt holes are clean and dry.
Remove all traces of thread locking material
from oil pick-up strainer bolt hole and threads of
retaining bolt.
CAUTION: Do not use a tap.
11.Ensure bearing ladder locating dowels are
fitted and dowel holes in bearing ladder are
clean and dry.
12.Check coolant stub pipe in cylinder block for
signs of leakage and corrosion, replace as
necessary. Apply sealant, Part No. STC 50554
to seal replacement pipe to cylinder block.
13.Clean main bearing shell recesses in cylinder
block.
14.Clean crankshaft main bearing and big end
bearing journals. Clean bearing shell locations
in connecting rods and caps.
15.Fit selected main bearing shells, grooved into
cylinder block and plain into bearing ladder.
16.Fit new thrust washers to cylinder block.
17.Position DTI gauge stylus on end of crankshaft
as illustrated, push crankshaft away from DTI,
zero DTI gauge, push crankshaft in the
opposite direction and note reading on gauge.
+ GENERAL DATA, Engine - KV6
Petrol.
CAUTION: If end-float exceeds limits given,
crankshaft must be replaced.Reassembly
1.Fit selected big-end bearing shells to
connecting rods and caps.
2.Lubricate crankshaft journals with clean engine
oil. Hold crankshaft with big end journals
horizontal, lower crankshaft into main bearings.
3.Carefully pull connecting rods into place, fit
connecting rod caps noting that featherways
are on opposite sides; fit and lightly tighten
dowel bolts.
4.Tighten dowel bolts to:
lStage 1 - 20 Nm (15 lbf.ft)
lStage 2 - Further 45°
5.Using a lint free cloth and a suitable cleaning
solvent, clean bearing ladder and mating face
on cylinder block.
6.Apply clean engine oil to crankshaft thrust
washers and fit to bearing ladder with oil
grooves facing outwards.
7.Fit bearing ladder and ensure that all bearing
shells are seated correctly.
8.Noting that longest bolts must be fitted in inner
holes in bearing ladder, fit new bolts and tighten
to:
lStage 1 - 20 Nm (15 lbf.ft)
lStage 2 - Further 90°
9.Using a lint free cloth and a suitable cleaning
solvent, clean mating surfaces on cylinder
block and lower crankcase.
Page 263 of 1007

ENGINE - K SERIES KV6
12-3-86 OVERHAUL
10.Apply a continuous bead of sealant, Part No.
STC 50550, to paths on lower crankcase as
shown then spread to an even film using a
roller.
CAUTION: To avoid contamination,
assembly must be completed immediately
after application of sealant.
11.Fit 2 M8 slave guide studs into cylinder block at
positions shown.
12.Position lower crankcase to cylinder block.13.Fit and lightly tighten 6 M8 bolts, remove guide
studs, fit and lightly tighten 2 remaining M8
bolts.
14.Using sequence shown, tighten bolts to 25 Nm
(18 lbf.ft).
15.Fit and tighten remaining M8 bolt to 25 Nm (18
lbf.ft).
16.Fit 2 rear M6 bolts and tighten to 9 Nm (7 lbf.ft).
17.Clean oil pick-up strainer and mating face.
18.Lubricate new 'O' ring with clean engine oil and
fit to pick-up strainer.
CAUTION: Ensure 'O' ring, Part No. LYX
000210L is used.
19.Apply sealant, Part No. STC 50552 to threads
of oil pick-up strainer retaining bolt.
20.Position oil pick-up strainer, fit and tighten bolt
to 25 Nm (18 lbf.ft).
21.Clean oil pump, oil seal recess in oil pump body
and mating face on cylinder block, ensure bolt
holes are clean and dry.
22.Clean oil seal running surface on crankshaft.
Page 264 of 1007

ENGINE - K SERIES KV6
OVERHAUL 12-3-87
Refit
1.Fit oil pump gasket.
+ ENGINE - K SERIES KV6,
OVERHAUL, Oil pump - Overhaul.
2.Fit engine sump.
+ ENGINE - K SERIES KV6,
OVERHAUL, Sump - engine oil.
3.Fit crankshaft rear oil seal.
+ ENGINE - K SERIES KV6,
OVERHAUL, Crankshaft rear oil seal.
4.Rotate crankshaft until timing pin LRT-12-232
can be inserted through hole immediately
adjacent to side of lower crankcase and into
elongated hole in drive plate.
CAUTION: Ensure that pin is in elongated
hole. Do not use cast arrow on oil pump
body as a timing mark. Do not remove
timing pin until timing belts are fitted.
5.Fit cylinder head gaskets.
+ ENGINE - K SERIES KV6,
OVERHAUL, Cylinder head gasket - LH.
+ ENGINE - K SERIES KV6,
OVERHAUL, Cylinder head gasket - RH.
Cylinder head gasket - LH
$% 12.29.02.01
Remove
1.Remove and discard camshaft timing belt.
+ ENGINE - K SERIES KV6,
OVERHAUL, Camshaft timing belt.
2.Remove inlet manifold chamber.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, OVERHAUL, Seals -
manifold chamber - up to 03MY.
3.Remove 4 bolts securing LH front camshaft
timing belt cover backplate to cylinder head and
remove backplate.
4.Release HO2S lead from clip on cylinder block.
5.Using sequence shown, loosen then remove 4
nuts securing exhaust manifold to cylinder
head. Remove manifold, remove and discard
gasket.
6.Remove LH camshaft cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Camshaft cover gasket - LH - Up to 03MY.
LRT-12-232
M12 7927