check engine NISSAN TERRANO 2002 Service Repair Manual

Assembly
1. Blow air sufficiently to inside coolant passage, oil passage,
crankcase, and cylinder bore to remove foreign matter.
2. Install main bearings and thrust bearings.
1) Remove contamination, dust and oil from bearing mounting
positions on cylinder block and main bearing caps.
2) Install thrust bearings on both sides of No. 4 housing on cylin-
der block.
IInstall thrust bearings with oil groove facing to crankshaft arm
(outside).
3) Being careful with the direction, install main bearings.
IInstall main bearings with the oil holes and grooves onto the
cylinder block side, and those without oil holes and grooves
onto the lower cylinder block side.
IWhile installing bearings, apply engine oil to bearing surfaces
(inside). Do not apply oil to rear surfaces, but clean them com-
pletely.
IAlign stopper notches on bearings to install them.
ICheck that the oil holes on the cylinder block body are mated
with the oil hole positions on the bearings.
3. Install crankshaft to cylinder block.
IWhile rotating crankshaft by hand, check for smooth rotation.
4. Install lower cylinder block.
IApply a continuous bead of liquid gasket to lower cylinder block
as shown in the figure.
IUsing slots on engine sub-attachment, install the lower cylinder
block to the cylinder block, avoiding interference of dowel pins.
5. Tighten lower cylinder mounting bolts to the torque shown
below in 3 consecutive steps in the order shown in the figure.
Unit: N×m (kg-m, ft-lb)
Main bolt (Nos. 1 - 10) Sub-bolt (Nos. 11 - 20)
1st 20 (2.0, 14) 98 (10, 72)
2nd 98 (10, 72) 20 (2.0, 14)
3rd 167 - 176 (17 - 18, 123 - 130) 40 - 46 (4.0 - 4.7, 29 - 33)
ISub-bolt No. 17 has shorter length than that of other sub-bolts.
FEM126
FEM127
FEM128
FEM092
CYLINDER BLOCKZD
EM-80

6. Install mounting bolts for engine sub-attachment shown by
arrows in the figure.
IAfter tightening bolts to the specified torque, check crankshaft
for smooth rotation.
ICheck crankshaft end play.
Refer to EM-71, ªCRANKSHAFT END PLAYº.
7. Install pistons to connecting rod.
1) Using long nose pliers, install snap rings to grooves on piston
rear side.
IFit snap rings correctly into grooves.
2) Install pistons to connecting rods.
IUsing industrial dryer, heat pistons up to approx. 60 to 70ÉC
(140 to 158ÉF) until piston pin can be pressed down by finger
touch. Then insert piston pins into piston and connecting rod
from front side of piston toward rear.
IAssemble piston and connecting rod with front mark of piston
crown and cylinder No. stamped on connecting rod being posi-
tioned as shown in the figure.
3) Install snap rings to front side of pistons.
IRefer to above 1) for precaution on snap ring installation.
IAfter installation, check connecting rods for smooth movement.
8. Use piston ring expander (multi-purpose tool) to install piston
rings.
CAUTION:
When installing, prevent piston from being damaged.
IInstall top ring and second ring with stamped surfaces facing
upward.
Identification stamp:
Top ring: R
Second ring: RN
9. Install connecting rod bearings to connecting rods and caps.
IWhile installing connecting rod bearings, apply engine oil to
bearing surfaces (inside). Do not apply oil to rear surfaces, but
clean them completely.
IAlign stoppers on connecting rod bearings with connecting rod
stopper notches to install connecting rod bearings.
FEM091
FEM131
FEM132
FEM133
CYLINDER BLOCKZD
Assembly (Cont'd)
EM-81

10. Install piston and connecting rod assembly to crankshaft.
IMove crankshaft pin to be removed to BDC.
IAlign cylinder position with cylinder No. on connecting rod to
install piston and connecting rod assembly.
IUsing piston ring compressor (multi-purpose tool), install piston
and connecting rod assembly with front mark on piston crown
facing toward the front side of engine.
CAUTION:
When installing piston and connecting rod assembly, prevent
the big end of connecting rod from interfering with oil jet.
11. Install connecting rod caps and mounting nuts.
IAlign cylinder No. stamped on connecting rod with that on cap
to install connecting rod cap.
IAfter tightening nuts, check crankshaft for smooth rotation.
ICheck connecting rod side clearance.
Refer to EM-71, ªCONNECTING ROD SIDE CLEARANCEº.
12. Install rear oil seal and retainer assembly.
IApply a continuous bead of liquid gasket to rear oil seal and
retainer assembly as shown in the figure.
13. Press fit pilot bushing into flywheel (M/T model).
1) Using drift with outer diameter of 35 mm, press fit spacer until
it is in contact with the flywheel to prevent displacement at
removal.
2) Using drift with outer diameter of 20 mm, press fit pilot bushing
by the length shown in the figure.
14. Install rear plate.
15. Install removed parts to engine in the reverse order of disas-
sembly.
16. Remove engine from engine stand.
FEM134
FEM131
FEM053
SEM366G
CYLINDER BLOCKZD
Assembly (Cont'd)
EM-82

2. Install cylinder head.
ICylinder head identification mark
3. Apply oil to threaded portion and seat surface of bolts and
tighten cylinder head bolts using Tool.
CAUTION:
ITightening procedure
1st: Tighten bolts to 39 - 44 N×m
(4.0 - 4.5 kg-m, 29 - 33 ft-lb)
2nd: Tighten bolts to 54 - 59 N×m
(5.5 - 6.0 kg-m, 40 - 43 ft-lb)
3rd:
(1) Mark exhaust side of cylinder head and cylin-
der head bolts with paint as shown.
(2) Turn all bolts 90   10 degrees clockwise.
(3) Check that paint mark of each bolt is facing
the front of the vehicle.
4. Apply engine oil and install push rods.
5. Install rocker shaft assembly.
Adjust intake and exhaust valve clearance carefully.
Refer to MA section in order to accomplish valve adjustment.
NEM179
SEM641B
SEM580C
SEM642B
CYLINDER HEADTD27Ti
Installation (Cont'd)
EM-115

23. Remove bearing cap and crankshaft. Loosen bearing cap nuts
in numerical order, as shown at left.
Place the bearings and caps in their proper order.
Inspection
CYLINDER BLOCK DISTORTION
1. Clean upper face of cylinder block and measure the distortion.
Standard:
Less than 0.05 mm (0.0020 in)
Limit:
0.2 mm (0.008 in)
2. If out of specification, resurface it.
CYLINDER WEAR
1. Measure cylinder bore for out-of-round and taper with a bore
gauge. If beyond the limit, rebore all 4 cylinders. Replace cyl-
inder block if necessary.
Standard inside diameter:
96.000 - 96.030 mm (3.7795 - 3.7807 in)
Refer to SDS
Wear limit:
Less than 0.20 mm (0.0079 in)
Out-of-round (X þ Y) limit:
Less than 0.020 mm (0.0008 in)
Taper (A þ B) limit:
0.20 mm (0.0079 in)
2. Check for scratches or abrasions. If abrasions are found, hone
cylinder bore.
PISTON AND PISTON PIN CLEARANCE
Check clearance between pistons and piston pins.
Clearance (A þ B):
Standard
þ0.008 to 0.007 mm (þ0.0003 to 0.0003 in)
Limit
Less than 0.1 mm (0.004 in)
NEM007
SEM038
MEM042A
NEM002
ENGINE OVERHAULTD27Ti
Disassembly (Cont'd)
EM-127

2. Measure outside diameter ªDº of piston pin.
3. Calculate connecting rod small end bushing clearance.
Connecting rod small end bushing clearance = A þ D
Standard
0.025 - 0.045 mm (0.0010 - 0.0018 in)
Limit
0.15 mm (0.0059 in)
REPLACEMENT OF CONNECTING ROD BUSHING
(Small end)
1. Drive in the small end bushing until it is flush with the end sur-
face of the rod.
Be sure to align the oil holes.
2. After driving in the small end bushing, ream the bushing.
Small end bushing inside diameter:
Finished size
30.025 - 30.038 mm (1.1821 - 1.1826 in)
CRANKSHAFT
1. Check crankshaft journals and pins for score, bias, wear or
cracks. If faults are minor, correct with fine emery paper.
2. Check journals and pins with a micrometer for taper and out-
of-round.
Out-of-round (X þ Y):
Standard
Less than 0.01 mm (0.0004 in)
Limit
0.02 mm (0.0008 in)
Taper (A þ B):
Standard
Less than 0.01 mm (0.0004 in)
Limit
0.02 mm (0.0008 in)
3. Check crankshaft runout.
Runout (Total Indicator Reading)
Standard
0 - 0.03 mm (0 - 0.0012 in)
Limit
0.10 mm (0.0039 in)
SEM416B
EM715
SEM662B
ENGINE OVERHAULTD27Ti
Inspection (Cont'd)
EM-130

RESURFACING OF CRANKSHAFT JOURNAL AND
CRANK PIN
When using undersize main bearings and connecting rod bearings,
the crankshaft journals or crank pins must be finished to match the
bearings.
R: Crank journal 3.0 mm (0.118 in)
Crank pin 3.5 mm (0.138 in)
CAUTION:
IAt the same time make sure that the surface width does not
increase.
IDo not attempt to cut counterweight of crankshaft.
PILOT BUSHING REPLACEMENT
1. Pull out bushing with Tool.
2. Insert pilot bushing until distance between flange end and
bushing is specified value.
Distance:
Approx. 5.6 - 6.0 mm (0.220 - 0.236 in)
FLYWHEEL RUNOUT
Runout (Total Indicator Reading):
Less than 0.15 mm (0.0059 in)
FRONT PLATE
Check front plate for warpage. If not within the limit, make flat or
replace front plate.
Warpage limit:
0.2 mm (0.008 in)
SEF692A
SEM413
NEM181
SEM059A
SEM668B
ENGINE OVERHAULTD27Ti
Inspection (Cont'd)
EM-131

GEAR TRAIN
Camshaft drive gear, injection pump drive gear, oil pump gear,
idler gear, crankshaft gear and vacuum pump gear.
1. If gear tooth and key have scratches or are excessively worn,
replace gear and key.
2. Check gear train backlash before disassembling and after
assembling.
Method A (Using dial gauge)
Method B (Using fuse wire)
If beyond the limit, replace gear.
Backlash:
Standard
0.07 - 0.11 mm (0.0028 - 0.0043 in)
Limit
0.20 mm (0.0079 in)
IDLER GEAR BUSHING CLEARANCE
1. Measure idler gear shaft outer diameter.
2. Measure idler gear bushing inner diameter.
3. Calculate idler gear bushing clearance.
Bushing oil clearance:
Standard
0.025 - 0.061 mm (0.0010 - 0.0024 in)
Limit
0.20 mm (0.0079 in)
IDLER GEAR END PLAY
Measure idler gear end play between gear plate and gear.
Idler gear end play:
Standard
0.03 - 0.14 mm (0.0012 - 0.0055 in)
Limit
Less than 0.3 mm (0.012 in)
NEM186
NEM187
SEM666B
SEM705
ENGINE OVERHAULTD27Ti
Inspection (Cont'd)
EM-132

(3) Rear camshaft bushing.
Align the cutout of rear bushing with knock pin of replacer bar
before installation.
Insert rear bushing with replacer bar into the cylinder block.
Install guide plate with bolt holes (on the ªTDº mark side) fac-
ing upper side of cylinder block. Tighten bolts.
Drive replacer bar until the alignment mark on replacer bar is
aligned with the end of replacer guide.
Remove replacer set.
After installation, check that oil hole in camshaft bushing are
aligned with oil hole in cylinder block.
SEM995B
SEM110C
NEM172
ENGINE OVERHAULTD27Ti
Inspection (Cont'd)
EM-134

3. Check camshaft bushing clearance.
4. Install new welch plug with a drift.
Apply liquid sealer.
When setting 4th through 2nd bushings on replacer bar, tape
the bar to prevent movement.
CAMSHAFT ALIGNMENT
1. Check camshaft journal and cam surface for cracks, wear or
damage.
If fault is beyond limit, replace.
2. Check camshaft runout at center journal.
If runout is greater than specified limit, repair or replace cam-
shaft.
Camshaft runout
(Total indicator reading):
Standard
Less than 0.02 mm (0.0008 in)
Limit
Less than 0.06 mm (0.0024 in)
SEM987B
SEM034
SEM999B
SEM670B
ENGINE OVERHAULTD27Ti
Inspection (Cont'd)
EM-136